{"id":117463,"date":"2021-03-14T17:35:56","date_gmt":"2021-03-15T00:35:56","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=117463"},"modified":"2021-03-14T17:35:56","modified_gmt":"2021-03-15T00:35:56","slug":"attack-chain-overview-emotet-in-december-2020-and-january-2021","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/attack-chain-overview-emotet-in-december-2020-and-january-2021\/","title":{"rendered":"\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u6982\u8981: 2020\u5e7412\u6708\u304a\u3088\u30732021\u5e741\u6708\u306eEmotet"},"content":{"rendered":"<h2>\u8981\u7d04<\/h2>\n<p>Unit 42 \u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u60aa\u540d\u9ad8\u3044\u30d0\u30f3\u30ad\u30f3\u30b0\u30c8\u30ed\u30a4\u306e\u6728\u99acEmotet\u306e\u65b0\u305f\u306a\u66f4\u65b0\u3092\u7279\u5b9a\u3057\u3001\u5206\u6790\u3057\u307e\u3057\u305f\u3002Emotet\u306f2020\u5e7412\u6708\u304b\u3089\u6d3b\u767a\u306b\u5229\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u3057\u3064\u3053\u3055\u3001\u606f\u306e\u9577\u3055\u3001\u56de\u907f\u30c6\u30af\u30cb\u30c3\u30af\u306e\u624b\u5f37\u3055\u304c\u9632\u5fa1\u5074\u306e\u982d\u75db\u306e\u7a2e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.europol.europa.eu\/newsroom\/news\/world%E2%80%99s-most-dangerous-malware-emotet-disrupted-through-global-action\">\u56fd\u969b\u6cd5\u57f7\u884c\u6a5f\u95a2\u306b\u3088\u308b\u6700\u8fd1\u306e\u63aa\u7f6e\u306f<\/a>Emotet\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3084\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u3068\u3063\u3066\u306e\u75db\u624b\u3068\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u66f4\u65b0\u7248Emotet\u306b\u3088\u3063\u3066\u63a1\u7528\u3055\u308c\u3066\u3044\u305f\u624b\u6cd5\u3001\u6226\u8853\u3001\u624b\u9806(TTP)\u306f\u3001\u3042\u3089\u3086\u308b\u696d\u754c\u3078\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u7a81\u51fa\u3057\u305f\u8105\u5a01\u306e\u5185\u60c5\u3092\u3042\u3070\u304f\u7d50\u679c\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f\u3001\u3053\u306eEmotet\u306e\u66f4\u65b0\u306e\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u7b2c1\u6bb5\u968e\u306e\u60aa\u610f\u306e\u3042\u308b\u304a\u3068\u308a\u6587\u66f8\u3001\u7b2c2\u6bb5\u968e\u306ePowerShell\u30ed\u30fc\u30c0\u3078\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u96e3\u8aad\u5316\u89e3\u9664\u3001\u7b2c3\u6bb5\u968e\u306e\u30d0\u30a4\u30ca\u30ea<span style=\"font-family: 'courier new', courier, monospace;\">R43H.dll<\/span>\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u306eEmotet\u306e\u66f4\u65b0\u3067\u4f7f\u7528\u3055\u308c\u308b\u6c38\u7d9a\u6027\u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u304a\u3088\u3073\u30b3\u30de\u30f3\u30c9 &amp; \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u30c1\u30e3\u30cd\u30eb\u3068\u305d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u306e\u5146\u5019(IOC)\u306b\u3064\u3044\u3066\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304cEmotet\u306e\u56de\u907f\u6280\u8853\u306b\u7acb\u3061\u5411\u304b\u3046\u3053\u3068\u306e\u96e3\u3057\u3055\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.paloaltonetworks.com\/network-security\/next-generation-firewall\">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3092\u3054\u4f7f\u7528\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/products\/secure-the-network\/subscriptions\/threat-prevention\">\u8105\u5a01\u9632\u5fa1<\/a>\u304a\u3088\u3073<a href=\"https:\/\/www.paloaltonetworks.com\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066Emotet\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u304a\u5ba2\u69d8\u306f\u307e\u305f\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u306b\u3088\u3063\u3066\u3082\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u5206\u6790<\/h2>\n<p><a href=\"https:\/\/unit42.paloaltonetworks.com\/tag\/emotet\/\">Emotet<\/a>\u306f\u591a\u304f\u306e\u5834\u5408\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u6dfb\u4ed8\u3055\u308c\u305fWord\u6587\u66f8\u306b\u3088\u3063\u3066\u914d\u5e03\u3055\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001<a href=\"https:\/\/unit42.paloaltonetworks.com\/emotet-thread-hijacking\/\">Emotet\u653b\u6483\u30c1\u30a7\u30fc\u30f3<\/a>\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>Word\u6587\u66f8\u304c\u914d\u5e03\u3055\u308c\u3001\u30de\u30af\u30ed\u304c\u6709\u52b9\u306b\u3055\u308c\u3066\u958b\u304d\u307e\u3059\u3002<\/li>\n<li>VBScript\u30de\u30af\u30ed\u304c\u5b9f\u884c\u3055\u308c\u3001\u60aa\u610f\u306e\u3042\u308bPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u60aa\u610f\u306e\u3042\u308bPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30ed\u30fc\u30c0\u3068\u3057\u3066\u6700\u521d\u306eDLL\u30d0\u30a4\u30ca\u30ea\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n<li>\u6700\u521d\u306e\u30ed\u30fc\u30c0\u304c\u5f8c\u7d9a\u306eDLL\u30d0\u30a4\u30ca\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u306f\u305d\u308c\u81ea\u4f53\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/li>\n<li>\u6700\u5f8c\u306eDLL\u304c\u88ab\u5bb3\u8005\u306e\u6a5f\u5fae\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3059\u308b\u304bC2\u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3057\u3066\u3055\u3089\u306b\u653b\u6483\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"attachment_117469\" aria-describedby=\"caption-attachment-117469\" style=\"width: 1136px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-16-jp.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117469 size-full lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-16-jp.png\" alt=\"Word\u6587\u66f8\u304c\u914d\u5e03\u3055\u308c\u3001\u30de\u30af\u30ed\u304c\u6709\u52b9\u306b\u3055\u308c\u3066\u958b\u304d\u307e\u3059\u3002 VBScript\u30de\u30af\u30ed\u304c\u5b9f\u884c\u3055\u308c\u3001\u60aa\u610f\u306e\u3042\u308bPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002 \u60aa\u610f\u306e\u3042\u308bPowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30ed\u30fc\u30c0\u3068\u3057\u3066\u6700\u521d\u306eDLL\u30d0\u30a4\u30ca\u30ea\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002 \u6700\u521d\u306e\u30ed\u30fc\u30c0\u304c\u5f8c\u7d9a\u306eDLL\u30d0\u30a4\u30ca\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u306f\u305d\u308c\u81ea\u4f53\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002 \u6700\u5f8c\u306eDLL\u304c\u88ab\u5bb3\u8005\u306e\u6a5f\u5fae\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3059\u308b\u304bC2\u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3057\u3066\u3055\u3089\u306b\u653b\u6483\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\" width=\"1136\" height=\"390\" \/><\/a><figcaption id=\"caption-attachment-117469\" class=\"wp-caption-text\">\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u5206\u6790<\/figcaption><\/figure>\n<h3>\u7b2c1\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2 - Word\u30de\u30af\u30ed\u30e9\u30f3\u30c1\u30e3<\/h3>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Sha256\uff082cb81a1a59df4a4fd222fbcb946db3d653185c2e79cf4d3365b430b1988d485f)<\/span><\/p>\n<p>\u3053\u306e\u5206\u6790\u30b5\u30f3\u30d7\u30eb\u306f\u3001Microsoft Office OLE2 Compound File Binary\u306eWord\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u591a\u304f\u306e\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3068\u540c\u69d8\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u64cd\u308a\u3001\u30de\u30af\u30ed\u3067\u60aa\u610f\u306e\u3042\u308bVisual Basic for Applications (VBA)\u30b3\u30fc\u30c9\u306e\u914d\u5e03\u3092\u958b\u59cb\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117304\" aria-describedby=\"caption-attachment-117304\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-17.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117304 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-17.png\" alt=\"\u56f31: \u3053\u306e\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8\u306b\u306fEmotet\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u3092\u958b\u59cb\u3059\u308b\u30de\u30af\u30ed\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3002\" width=\"900\" height=\"358\" \/><\/a><figcaption id=\"caption-attachment-117304\" class=\"wp-caption-text\">\u56f31: \u3053\u306e\u60aa\u610f\u306e\u3042\u308bWord\u6587\u66f8\u306b\u306fEmotet\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u3092\u958b\u59cb\u3059\u308b\u30de\u30af\u30ed\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b<\/figcaption><\/figure>\n<p>\u30e6\u30fc\u30b6\u30fc\u304cMicrosoft Word\u306e\u30de\u30af\u30ed\u3092\u6709\u52b9\u306b\u3057\u3066\u30eb\u30a2\u30fc\uff08\u304a\u3068\u308a\uff09\u6587\u66f8\u3092\u958b\u304f\u3068\u3001\u7d44\u307f\u8fbc\u307f\u306eVBA\u30de\u30af\u30ed\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u3001<a href=\"https:\/\/docs.microsoft.com\/en-us\/office\/vba\/api\/word.document.open\">Document_Open()<\/a>\u30a4\u30d9\u30f3\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117306\" aria-describedby=\"caption-attachment-117306\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-18.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117306 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-18.png\" alt=\"\u56f32: \u7d44\u307f\u8fbc\u307e\u308c\u305fVBA\u30de\u30af\u30ed\u30b3\u30fc\u30c9\u306f\u96e3\u8aad\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u5206\u6790\u4f5c\u696d\u306f\u96e3\u822a\u3059\u308b\u3002\" width=\"900\" height=\"575\" \/><\/a><figcaption id=\"caption-attachment-117306\" class=\"wp-caption-text\">\u56f32: \u7d44\u307f\u8fbc\u307e\u308c\u305fVBA\u30de\u30af\u30ed\u30b3\u30fc\u30c9\u306f\u96e3\u8aad\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u5206\u6790\u4f5c\u696d\u306f\u96e3\u822a\u3059\u308b<\/figcaption><\/figure>\n<p>\u6b21\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u306e\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Jotxu6biv0471oy0()<\/span>\u3068\u3044\u3046\u95a2\u6570\u3067\u3059\u3002\u3053\u306e\u95a2\u6570\u306e\u632f\u308b\u821e\u3044\u3068\u3001\u7b2c1\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u5185\u5bb9\u306e\u7d9a\u304d\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>1. \u3053\u306e\u6587\u66f8\u306e<span style=\"font-family: 'courier new', courier, monospace;\">StoryRanges.Item()<\/span>\u30e1\u30bd\u30c3\u30c9\u304b\u3089<span style=\"font-family: 'courier new', courier, monospace;\">wdMainTextStory<\/span>\u30bf\u30a4\u30d7\u306e\u5358\u4e00\u306e<a href=\"https:\/\/docs.microsoft.com\/en-us\/office\/vba\/api\/word.storyranges\">StoryRange<\/a>\u3092\u53d6\u5f97\u3057\u3001\u5909\u6570mKbjhqs\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002\u3053\u306e\u5909\u6570\u306e\u5185\u5bb9\u306f\u96e3\u8aad\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u30c7\u30fc\u30bf\u3067\u3001\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u5185\u3067\u5f8c\u307b\u3069\u96e3\u8aad\u5316\u304c\u89e3\u9664\u3055\u308c\u307e\u3059\u3002VBA\u306b\u304a\u3051\u308b<span style=\"font-family: 'courier new', courier, monospace;\">StoryRange<\/span>\u306f\u3001\u6587\u66f8\u5185\u3067\u30c6\u30ad\u30b9\u30c8\u3092\u691c\u7d22\u307e\u305f\u306f\u7f6e\u63db\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117308\" aria-describedby=\"caption-attachment-117308\" style=\"width: 585px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-19.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117308 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-19.png\" alt=\"\u56f33: \u60aa\u610f\u306e\u3042\u308b\u6587\u66f8\u304b\u3089\u96e3\u8aad\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u62bd\u51fa\u3055\u308c\u3001\u683c\u7d0d\u3055\u308c\u308b\u3002\" width=\"585\" height=\"103\" \/><\/a><figcaption id=\"caption-attachment-117308\" class=\"wp-caption-text\">\u56f33: \u60aa\u610f\u306e\u3042\u308b\u6587\u66f8\u304b\u3089\u96e3\u8aad\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u62bd\u51fa\u3055\u308c\u3001\u683c\u7d0d\u3055\u308c\u308b<\/figcaption><\/figure>\n<p>2. \u4e00\u9023\u306eGo To\u547c\u3073\u51fa\u3057\u3067\u96e3\u8aad\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u53ce\u96c6\u3055\u308c\u3001\u3044\u304f\u3064\u304b\u306e\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30c7\u30fc\u30bf\u306f\u9023\u7d50\u3055\u308c\u3001\u5909\u6570<span style=\"font-family: 'courier new', courier, monospace;\">C_tmpi32le9<\/span>\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117310\" aria-describedby=\"caption-attachment-117310\" style=\"width: 553px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-117310 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-20.png\" alt=\"\u56f34: \u60aa\u610f\u306e\u3042\u308b\u6587\u66f8\u304b\u3089\u96e3\u8aad\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u62bd\u51fa\u3055\u308c\u3001\u683c\u7d0d\u3055\u308c\u308b\u3002\" width=\"553\" height=\"49\" \/><figcaption id=\"caption-attachment-117310\" class=\"wp-caption-text\">\u56f34: \u60aa\u610f\u306e\u3042\u308b\u6587\u66f8\u304b\u3089\u96e3\u8aad\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u62bd\u51fa\u3055\u308c\u3001\u683c\u7d0d\u3055\u308c\u308b<\/figcaption><\/figure>\n<p>3. <span style=\"font-family: 'courier new', courier, monospace;\">C_tmpi32le9<\/span>\u306b\u683c\u7d0d\u3055\u308c\u305f\u6587\u5b57\u5217\u304c\u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u3001\u56f34\u306b\u793a\u3059\u3088\u3046\u306b\u4e00\u9023\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117471\" aria-describedby=\"caption-attachment-117471\" style=\"width: 575px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-21-jp.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117471 size-full lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-21-jp.png\" alt=\"\u56f35: \u96e3\u8aad\u5316\u306e\u524d\u5f8c\u3067\u95a2\u6570\u3068\u30c7\u30fc\u30bf\u304c\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b\u3002\" width=\"575\" height=\"232\" \/><\/a><figcaption id=\"caption-attachment-117471\" class=\"wp-caption-text\">\u56f35: \u96e3\u8aad\u5316\u306e\u524d\u5f8c\u3067\u95a2\u6570\u3068\u30c7\u30fc\u30bf\u304c\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b<\/figcaption><\/figure>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">C_tmpi32le9<\/span>\u306b\u683c\u7d0d\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">Lehj73snaqzhyepdw9()<\/span>\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u96e3\u8aad\u5316\u3092\u89e3\u9664\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u5358\u7d14\u306a\u6587\u5b57\u5217\u7f6e\u63db\u30eb\u30fc\u30c1\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">Jumkzxvtzz2s()<\/span>\u306e\u30e9\u30c3\u30d1\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u307e\u305f\u3001\u7d44\u307f\u8fbc\u307f\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">Replace()<\/span>\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u533a\u5207\u308a\u6587\u5b57\u3068\u3057\u3066\u6587\u5b57\u5217<span style=\"font-family: 'courier new', courier, monospace;\">]b2[s<\/span>\u304c\u6e21\u3055\u308c\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u6587\u5b57\u5217\u5185\u306e\u691c\u7d22\u304a\u3088\u3073\u7f6e\u63db\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001<a href=\"https:\/\/www.magicsplat.com\/book\/wmi.html#tab_wmi_monikers\">WMI\u30e2\u30cb\u30ab\u30fc<\/a><span style=\"font-family: 'courier new', courier, monospace;\">winmgmts:win32_process<\/span>\u3067\u3001\u5909\u6570<span style=\"font-family: 'courier new', courier, monospace;\">H4qcty67722xqmrmn<\/span>\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>4. <span style=\"font-family: 'courier new', courier, monospace;\">CreateObject()<\/span>\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">winmgmts:win32_process<\/span>\u6587\u5b57\u5217\u3092\u6e21\u3059\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u751f\u6210\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5024\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Fcqv6woostm0<\/span>\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/cimwin32prov\/win32-process\">Win32_Process WMI\u30af\u30e9\u30b9<\/a>\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u3053\u306e\u5909\u6570\u306f\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u3092\u751f\u6210\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3059\u308b\u30cf\u30f3\u30c9\u30eb\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_117314\" aria-describedby=\"caption-attachment-117314\" style=\"width: 519px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-22.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117314 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-22.png\" alt=\"\u56f36: CreateObject(\u201cwinmgmts:win32_process\u201d)\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059\u3002\" width=\"519\" height=\"50\" \/><\/a><figcaption id=\"caption-attachment-117314\" class=\"wp-caption-text\">\u56f36: CreateObject(\u201cwinmgmts:win32_process\u201d)\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059<\/figcaption><\/figure>\n<p>5. \u9577\u3055\u4fee\u6b63\u30eb\u30fc\u30c1\u30f3\u3092\u5b9f\u884c\u3057\u3001\u305d\u306e\u7d50\u679c\u30c7\u30fc\u30bf\u3092\u5909\u6570<span style=\"font-family: 'courier new', courier, monospace;\">Ma9hdg7q365lpb<\/span>\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">Lehj73snaqzhyepdw9()<\/span>\u306e\u547c\u3073\u51fa\u3057\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">Ma9hdg7q365lpb<\/span>\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117473\" aria-describedby=\"caption-attachment-117473\" style=\"width: 697px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-23-jp.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117473 size-full lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-23-jp.png\" alt=\"\u56f37: \u6700\u7d42\u7684\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u96e3\u8aad\u5316\u89e3\u9664\u3059\u308b\" width=\"697\" height=\"154\" \/><\/a><figcaption id=\"caption-attachment-117473\" class=\"wp-caption-text\">\u56f37: \u6700\u7d42\u7684\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u96e3\u8aad\u5316\u89e3\u9664\u3059\u308b<\/figcaption><\/figure>\n<p>6. \u30e1\u30bd\u30c3\u30c9<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/cimwin32prov\/create-method-in-class-win32-process\">Win32_Process.Create()<\/a>\u306e\u547c\u3073\u51fa\u3057\u306f\u3001\u4ee5\u524d\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53c2\u7167\u3057\u3001\u4ee5\u524d\u306b\u5b9f\u884c\u3057\u305f<span style=\"font-family: 'courier new', courier, monospace;\">Lehj73snaqzhyepdw9()<\/span>\u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002\u623b\u308a\u5024\u306b\u306f\u3001\u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305f\u6700\u7d42\u7684\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u542b\u307e\u308c\u307e\u3059(\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3068PowerShell\u306e\u30b3\u30de\u30f3\u30c9)\u3002<\/p>\n<figure id=\"attachment_117318\" aria-describedby=\"caption-attachment-117318\" style=\"width: 618px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-24.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117318 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-24.png\" alt=\"\u56f38: \u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u6307\u5b9a\u3055\u308c\u305fCreate()\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u3002\" width=\"618\" height=\"48\" \/><\/a><figcaption id=\"caption-attachment-117318\" class=\"wp-caption-text\">\u56f38: \u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u6307\u5b9a\u3055\u308c\u305fCreate()\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057<\/figcaption><\/figure>\n<p>\u3053\u306eEmotet\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u7b2c1\u6bb5\u968e\u306f\u3001\u3082\u3068\u3082\u3068\u3053\u306e\u60aa\u610f\u306e\u3042\u308b\u6587\u66f8\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u305f\u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u7d42\u4e86\u3057\u307e\u3059\u3002\u3053\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u306f\u3001\u5f15\u6570\u3068\u3057\u3066base64\u30c7\u30fc\u30bf\u304c\u6e21\u3055\u308c\u308bPowerShell\u306e\u96e3\u8aad\u5316\u3055\u308c\u305f\u547c\u3073\u51fa\u3057\u306e\u524d\u5f8c\u3067\u30cd\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u4e00\u9023\u306e<span style=\"font-family: 'courier new', courier, monospace;\">cmd.exe<\/span>\u306e\u547c\u3073\u51fa\u3057\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117320\" aria-describedby=\"caption-attachment-117320\" style=\"width: 602px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-25.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117320 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-25.png\" alt=\"\u56f39: \u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305fOS\u304a\u3088\u3073PowerShell\u30b3\u30de\u30f3\u30c9\u3002\" width=\"602\" height=\"69\" \/><\/a><figcaption id=\"caption-attachment-117320\" class=\"wp-caption-text\">\u56f39: \u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305fOS\u304a\u3088\u3073PowerShell\u30b3\u30de\u30f3\u30c9<\/figcaption><\/figure>\n<h3>\u7b2c2\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2 - PowerShell\u30c0\u30a6\u30f3\u30ed\u30fc\u30c0<\/h3>\n<p>\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u7b2c2\u6bb5\u968e\u306f\u3001\u30cd\u30b9\u30c8\u3055\u308c\u305f<span style=\"font-family: 'courier new', courier, monospace;\">cmd.exe<\/span>\u306e\u547c\u3073\u51fa\u3057\u3067\u59cb\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u6700\u521d\u306e\u547c\u3073\u51fa\u3057\u306b\u3088\u3063\u3066\u3001<span style=\"font-family: 'courier new', courier, monospace;\">msg.exe<\/span>\u304c\u8d77\u52d5\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u304a\u3068\u308a\u306eWord\u30a8\u30e9\u30fc\u201cWord experienced an error trying to open the file (Word\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u969b\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f)\u201d\u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066base64\u7b26\u53f7\u5316\u30c7\u30fc\u30bf\u304c\u6307\u5b9a\u3055\u308c\u305f\u72b6\u614b\u3067PowerShell\u304c\u8d77\u52d5\u3055\u308c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">cmd.exe<\/span>\u304c\u5f15\u6570\u3068\u3057\u3066\u6587\u5b57\u5217<span style=\"font-family: 'courier new', courier, monospace;\">P^Ow^er^she^L^L<\/span>\u3092\u53d6\u308a\u307e\u3059\u3002\u3053\u306e\u5f15\u6570\u306f\u3001\u9759\u7684\u306a\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3001\u30a8\u30b9\u30b1\u30fc\u30d7\u6587\u5b57\u3001\u30ad\u30e3\u30ec\u30c3\u30c8(^)\u3067\u7d30\u5de5\u3055\u308c\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">-w<\/span>\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">PowerShell.exe<\/span>\u30d7\u30ed\u30bb\u30b9\u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u8d77\u52d5\u3055\u308c\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">-ENCOD<\/span>\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001PowerShell\u306b\u305d\u306e\u5834\u3067base64\u5f15\u6570\u3092\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117322\" aria-describedby=\"caption-attachment-117322\" style=\"width: 713px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-26.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117322 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-26.png\" alt=\"\u56f310: msg.exe\u3068powershell.exe\u306e\u5b9f\u884c\u3002\" width=\"713\" height=\"241\" \/><\/a><figcaption id=\"caption-attachment-117322\" class=\"wp-caption-text\">\u56f310: msg.exe\u3068powershell.exe\u306e\u5b9f\u884c<\/figcaption><\/figure>\n<h4>PowerShell \u2013 Base64\u5206\u6790<\/h4>\n<figure id=\"attachment_117324\" aria-describedby=\"caption-attachment-117324\" style=\"width: 973px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-27.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117324 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-27.png\" alt=\"\u56f311: \u30c7\u30b3\u30fc\u30c9\u3055\u308c\u305fbase64 PowerShell\u30c7\u30fc\u30bf\u3002\" width=\"973\" height=\"595\" \/><\/a><figcaption id=\"caption-attachment-117324\" class=\"wp-caption-text\">\u56f311: \u30c7\u30b3\u30fc\u30c9\u3055\u308c\u305fbase64 PowerShell\u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<p>\u3053\u306e\u96e3\u8aad\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306e\u76ee\u7684\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>1. ServicePoint Manager\u3067\u4f7f\u7528\u3055\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3092TLS 1.2\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>2. \u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u7d76\u5bfe\u30d1\u30b9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>3. \u5168\u90e8\u30677\u3064\u306eUniform Resource Identifier (\u30e6\u30cb\u30d5\u30a9\u30fc\u30e0\u30ea\u30bd\u30fc\u30b9\u8b58\u5225\u5b50\u3001URI)\u306e\u914d\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117326\" aria-describedby=\"caption-attachment-117326\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-28.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117326 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-28.png\" alt=\"\u56f312: \u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305fURI\u30ea\u30b9\u30c8\u3002\" width=\"900\" height=\"151\" \/><\/a><figcaption id=\"caption-attachment-117326\" class=\"wp-caption-text\">\u56f312: \u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305fURI\u30ea\u30b9\u30c8<\/figcaption><\/figure>\n<p>4.<a href=\"https:\/\/docs.microsoft.com\/en-us\/dotnet\/api\/system.net.webclient?view=net-5.0\">WebClient .NET Class<\/a>\u306e\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001<a href=\"https:\/\/docs.microsoft.com\/en-us\/dotnet\/api\/system.net.webclient.downloadfile?view=net-5.0\">DownloadFile()<\/a>\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3057\u3066\u3001\u524d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u751f\u6210\u3055\u308c\u305f\u914d\u5217\u306b\u542b\u307e\u308c\u308b\u5404\u9805\u76ee(URI)\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u56fa\u5b9a\u306e\u7d76\u5bfe\u30d1\u30b9\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30eb\u540d<span style=\"font-family: 'courier new', courier, monospace;\">%USERPROFILE%\\Ygyhlqt\\Bx5jfmo\\R43H.dll<\/span>\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u4f7f\u7528\u3055\u308c\u308b\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u306f\u3001\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306e\u7b2c1\u6bb5\u968e\u306e\u30de\u30af\u30ed\u5b9f\u884c\u3067\u751f\u6210\u3055\u308c\u305f\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>5.\u9577\u3055\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u3001<strong>37652<\/strong>\u30d0\u30a4\u30c8\u3068\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306f\u304a\u305d\u3089\u304f\u3001\u30d0\u30a4\u30ca\u30ea\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u6b63\u3057\u304f\u8ee2\u9001\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>6.<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u95a2\u6570\u3068\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">Control_RunDLL<\/span>\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fDLL\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u6b21\u306e\u753b\u50cf\u306f\u3001\u96e3\u8aad\u5316\u89e3\u9664\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u5168\u4f53\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117328\" aria-describedby=\"caption-attachment-117328\" style=\"width: 790px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-29.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117328 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-29.png\" alt=\"\u56f313: PowerShell\u3067\u306erundll32.exe\u306e\u5b9f\u884c\u3002\" width=\"790\" height=\"42\" \/><\/a><figcaption id=\"caption-attachment-117328\" class=\"wp-caption-text\">\u56f313: PowerShell\u3067\u306erundll32.exe\u306e\u5b9f\u884c<\/figcaption><\/figure>\n<p>\u4e0a\u8a18\u306e\u3068\u304a\u308a\u3001PowerShell\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3055\u307e\u3056\u307e\u306aURI\u306b\u5bfe\u3057\u3066\u3044\u304f\u3064\u304b\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u5fdc\u7b54\u306f\u3001DLL\u30d5\u30a1\u30a4\u30eb\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NK05DJ2yiA.dll<\/span>\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117330\" aria-describedby=\"caption-attachment-117330\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-30.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117330 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-30.png\" alt=\"\u56f314: HTTP\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30af\u30a8\u30b9\u30c8 \u2013 \u6700\u521d\u306eDLL (NK05DJ2yiA.dll)\u3002\" width=\"900\" height=\"499\" \/><\/a><figcaption id=\"caption-attachment-117330\" class=\"wp-caption-text\">\u56f314: HTTP\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30af\u30a8\u30b9\u30c8 \u2013 \u6700\u521d\u306eDLL (NK05DJ2yiA.dll)<\/figcaption><\/figure>\n<h3>\u7b2c3\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2 \u2013 DLL\u5206\u6790<\/h3>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Sha256(bbb9c1b98ec307a5e84095cf491f7475964a698c90b48a9d43490a05b6ba0a79)<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">KEY\uff1a \u201ck1&gt;@dY0V&lt;o)afFNz7v68r^Kn6)h)OGcSc\u201d<\/span><\/p>\n<p>\u56f315\u306f\u3001\u89aa\u30d7\u30ed\u30bb\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">powershell.exe<\/span>\u306e\u5f8c\u306b<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u306e\u5b9f\u884c\u304c\u7d9a\u304f\u30d7\u30ed\u30bb\u30b9\u30c4\u30ea\u30fc\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117332\" aria-describedby=\"caption-attachment-117332\" style=\"width: 908px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-31.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117332 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-31.png\" alt=\"\u56f315: PowerShell.exe\u304a\u3088\u3073rundll32.exe\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u3002\" width=\"908\" height=\"37\" \/><\/a><figcaption id=\"caption-attachment-117332\" class=\"wp-caption-text\">\u56f315: PowerShell.exe\u304a\u3088\u3073rundll32.exe\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c<\/figcaption><\/figure>\n<p>\u6700\u521d\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u5f15\u6570\u3068\u3057\u3066<span style=\"font-family: 'courier new', courier, monospace;\">R43H.dll<\/span>\u3078\u306e\u7d76\u5bfe\u30d1\u30b9\u304c\u6307\u5b9a\u3055\u308c\u30012\u756a\u76ee\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30d1\u30b9\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30d1\u30b9\u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3069\u3061\u3089\u306e\u30d7\u30ed\u30bb\u30b9\u3082\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Control_RunDLL<\/span>\u3068\u547c\u3070\u308c\u308b\u540c\u3058\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u95a2\u6570\u3067\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u3053\u306eDLL\u306e\u5185\u90e8\u306e\u4ed5\u7d44\u307f\u3068\u611f\u67d3\u306e\u9023\u9396\u3078\u306e\u95a2\u4e0e\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c0\u30b3\u30fc\u30c9\u304c\u7b2c2\u6bb5\u968e\u306eDLL\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u3051\u53d6\u308b\u3068\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f<span style=\"font-family: 'courier new', courier, monospace;\">%USERPROFILE%\\Ygyhlqt\\Bx5jfmo\\<\/span>\u306e\u30d1\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u3001\u540d\u524d\u304c<span style=\"font-family: 'courier new', courier, monospace;\">R43H.dll<\/span>\u306b\u5909\u66f4\u3055\u308c\u307e\u3059\u3002ExeInfoPE\u30c4\u30fc\u30eb\u3067\u751f\u6210\u3055\u308c\u305f\u691c\u51fa\u7d50\u679c\u306b\u3088\u308b\u3068\u3001\u3053\u308c\u306f<span style=\"font-family: 'courier new', courier, monospace;\">Microsoft Visual C++\u30d0\u30fc\u30b8\u30e7\u30f3~6.0~7.10<\/span>\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117334\" aria-describedby=\"caption-attachment-117334\" style=\"width: 571px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-32.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117334 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-32.png\" alt=\"\u56f316: \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305fDLL\u30d5\u30a1\u30a4\u30eb\u3067\u306eExeInfoPE\u30d5\u30a1\u30a4\u30eb\u306e\u7279\u5b9a\u3002\" width=\"571\" height=\"358\" \/><\/a><figcaption id=\"caption-attachment-117334\" class=\"wp-caption-text\">\u56f316: \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305fDLL\u30d5\u30a1\u30a4\u30eb\u3067\u306eExeInfoPE\u30d5\u30a1\u30a4\u30eb\u306e\u7279\u5b9a<\/figcaption><\/figure>\n<p>\u7b2c3\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u3067\u306f\u3001\u65b0\u3057\u3044\u7d76\u5bfe\u30d1\u30b9\u304c\u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3055\u308c\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">MoveFileExW()<\/span>\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u5143\u306e\u5834\u6240\u304b\u3089\u3053\u306e\u65b0\u3057\u3044\u5834\u6240\u306b\u79fb\u3055\u308c\u307e\u3059\u3002\u7d76\u5bfe\u30d1\u30b9\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">%SYSTEMROOT%\\system32\\&lt;random_folder_name&gt;\\&lt;random_filename&gt;.&lt;random_ext&gt;<\/span><\/li>\n<\/ul>\n<p>\u6b21\u306b\u3001\u56f317\u306b\u793a\u3059\u3088\u3046\u306b\u3001<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/api\/processthreadsapi\/nf-processthreadsapi-createprocessw\">CreateProcessW()<\/a>\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001<span style=\"font-family: 'courier new', courier, monospace;\">lpCommandLine<\/span>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u306f\u3001\u5148\u307b\u3069\u79fb\u52d5\u3057\u305fDLL\u30d5\u30a1\u30a4\u30eb\u306e\u7d76\u5bfe\u30d1\u30b9\u3068\u3001\u524d\u8ff0\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">Control-RunDLL<\/span>\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117336\" aria-describedby=\"caption-attachment-117336\" style=\"width: 903px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-33.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117336 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-33.png\" alt=\"\u56f317: 2\u3064\u76ee\u306eDLL\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u884c\u3002\" width=\"903\" height=\"142\" \/><\/a><figcaption id=\"caption-attachment-117336\" class=\"wp-caption-text\">\u56f317: 2\u3064\u76ee\u306eDLL\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u884c<\/figcaption><\/figure>\n<p>2\u3064\u76ee\u306e<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u306e\u5b9f\u884c\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u3001\u7b2c4\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h4>\u30ea\u30bd\u30fc\u30b9\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u306e\u691c\u7d22\u3068\u30ed\u30fc\u30c9<\/h4>\n<p>Emotet\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3044\u304f\u3064\u304b\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u3046\u3061\u306e1\u3064\u304cResource Win32 API\u95a2\u6570\u306e\u4f7f\u7528\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e\u30ea\u30bd\u30fc\u30b9\u30bb\u30af\u30b7\u30e7\u30f3\u304b\u3089\u306e\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u306e\u30ed\u30fc\u30c9\u3068\u305d\u306e\u5fa9\u53f7\u5316\u3001\u304a\u3088\u3073\u65b0\u305f\u306b\u4f5c\u6210\u3055\u308c\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30c9\u30ed\u30c3\u30d7\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001\u30aa\u30d5\u30bb\u30c3\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">0x10002119<\/span>\u3067<span style=\"font-family: 'courier new', courier, monospace;\">VirtualAlloc()<\/span>\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5272\u308a\u5f53\u3066\u30bf\u30a4\u30d7\u304c<span style=\"font-family: 'courier new', courier, monospace;\">MEM_COMMIT<\/span>\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u30aa\u30d7\u30b7\u30e7\u30f3\u304c<span style=\"font-family: 'courier new', courier, monospace;\">PAGE_EXECUTE_READWRITE<\/span>\u3067\u3001<span style=\"font-family: 'courier new', courier, monospace;\">0x1B000<\/span> (110592d)\u30d0\u30a4\u30c8\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117338\" aria-describedby=\"caption-attachment-117338\" style=\"width: 638px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-34.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117338 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-34.png\" alt=\"\u56f318: VirtualAlloc()\u304a\u3088\u3073\u30d0\u30a4\u30c8\u30b3\u30d4\u30fc(call 100045c0)\u95a2\u6570\u3002\" width=\"638\" height=\"178\" \/><\/a><figcaption id=\"caption-attachment-117338\" class=\"wp-caption-text\">\u56f318: VirtualAlloc()\u304a\u3088\u3073\u30d0\u30a4\u30c8\u30b3\u30d4\u30fc(call 100045c0)\u95a2\u6570<\/figcaption><\/figure>\n<p>\u30aa\u30d5\u30bb\u30c3\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">0x10002128<\/span>\u3067\u3001\u95a2\u6570\u547c\u3073\u51fa\u3057<span style=\"font-family: 'courier new', courier, monospace;\">100045C0<\/span>\u306b\u3088\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30d0\u30a4\u30c8\u3092\u524d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u65b0\u305f\u306b\u751f\u6210\u3057\u305f\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066(\u56f318\u3092\u53c2\u7167)\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u6b21\u306e\u753b\u50cf(\u56f319)\u306f\u3001<a href=\"https:\/\/www.angusj.com\/resourcehacker\/\">Resource Hacker<\/a>\u30c4\u30fc\u30eb\u304b\u3089\u76f4\u63a5\u53d6\u5f97\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u306e\u30d0\u30a4\u30c8\u306e\u5185\u5bb9\u3068\u3001\u5b9f\u884c\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u76f4\u63a5\u53d6\u5f97\u3057\u305f\u30e1\u30e2\u30ea\u306e\u5185\u5bb9\u3068\u306e\u6bd4\u8f03\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117340\" aria-describedby=\"caption-attachment-117340\" style=\"width: 679px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-35.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117340 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-35.png\" alt=\"\u56f319: Resource Hacker\u30c4\u30fc\u30eb\u306b\u8868\u793a\u3055\u308c\u308b\u6697\u53f7\u5316\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea \u30ea\u30bd\u30fc\u30b9 \u30c7\u30fc\u30bf\u3002\" width=\"679\" height=\"386\" \/><\/a><figcaption id=\"caption-attachment-117340\" class=\"wp-caption-text\">\u56f319: Resource Hacker\u30c4\u30fc\u30eb\u306b\u8868\u793a\u3055\u308c\u308b\u6697\u53f7\u5316\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea \u30ea\u30bd\u30fc\u30b9 \u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<p>\u5f8c\u7d9a\u306e\u547d\u4ee4\u306e\u5b9f\u884c\u306e\u969b\u306b\u3001<span style=\"font-family: 'courier new', courier, monospace;\">0x10001D9A<\/span>\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u30aa\u30d5\u30bb\u30c3\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">0x10001E4D<\/span>\u306b\u4f4d\u7f6e\u3059\u308b\u30eb\u30fc\u30d7\u3067\u3001\u3044\u304f\u3064\u304b\u306e\u64cd\u4f5c\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u64cd\u4f5c\u306e1\u3064\u304c\u3001\u30aa\u30d5\u30bb\u30c3\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">0x10001E4D<\/span>\u306b\u3042\u308b1\u30d0\u30a4\u30c8\u306eXOR\u547d\u4ee4(<span style=\"font-family: 'courier new', courier, monospace;\">xor byte ptr [esi+ecx], al<\/span>)\u3067\u3059\u3002\u3053\u308c\u306f\u3001PE\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u308b\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e\u30ea\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u5168<strong>110591<\/strong>\u30d0\u30a4\u30c8\u3092\u5fa9\u53f7\u5316\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u3067\u3059\u3002\u6700\u7d42\u7d50\u679c\u306f\u3001\u30e1\u30e2\u30ea\u5185\u306e\u518d\u69cb\u7bc9\u3055\u308c\u305f\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u56f320\u3067\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u5185\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3068\u5fa9\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117477\" aria-describedby=\"caption-attachment-117477\" style=\"width: 827px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-36-jp-1.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117477 size-full lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-36-jp-1.png\" alt=\"\u56f320: PE\u5185\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3068\u30e1\u30e2\u30ea\u5185\u306e\u30c7\u30fc\u30bf\u306e\u5fa9\u53f7\u5316\" width=\"827\" height=\"409\" \/><\/a><figcaption id=\"caption-attachment-117477\" class=\"wp-caption-text\">\u56f320: PE\u5185\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3068\u30e1\u30e2\u30ea\u5185\u306e\u30c7\u30fc\u30bf\u306e\u5fa9\u53f7\u5316<\/figcaption><\/figure>\n<p>\u30aa\u30d5\u30bb\u30c3\u30c8<span style=\"font-family: 'courier new', courier, monospace;\">0x10002167<\/span>\u3067\u3001EAX\u30ec\u30b8\u30b9\u30bf\u3067\u6307\u5b9a\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9(\u30a4\u30f3\u30e1\u30e2\u30ea(\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f)\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e<span style=\"font-family: 'courier new', courier, monospace;\">Control_RunDLL<\/span>\u95a2\u6570\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8)\u306b\u5bfe\u3057\u3066\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u9593\u63a5\u547c\u3073\u51fa\u3057\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u56f321\u306f\u3001\u53c2\u7167\u7528\u306b\u3053\u308c\u3092\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306b\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_117344\" aria-describedby=\"caption-attachment-117344\" style=\"width: 759px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-37.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117344 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-37.png\" alt=\"\u56f321: \u9593\u63a5\u547c\u3073\u51fa\u3057 - \u30a4\u30f3\u30e1\u30e2\u30ea\u30c7\u30fc\u30bf\u3078\u306e\u5236\u5fa1\u306e\u79fb\u884c\u3002\" width=\"759\" height=\"356\" \/><\/a><figcaption id=\"caption-attachment-117344\" class=\"wp-caption-text\">\u56f321: \u9593\u63a5\u547c\u3073\u51fa\u3057 - \u30a4\u30f3\u30e1\u30e2\u30ea\u30c7\u30fc\u30bf\u3078\u306e\u5236\u5fa1\u306e\u79fb\u884c<\/figcaption><\/figure>\n<p>call EAX\u547d\u4ee4\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u5b9f\u884c\u5236\u5fa1\u304c\u65b0\u3057\u3044\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306b\u79fb\u3055\u308c\u307e\u3059\u3002<\/p>\n<h4>\u6c38\u7d9a\u6027\u30e1\u30ab\u30cb\u30ba\u30e0<\/h4>\n<p>Emotet\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">CreateServiceW()<\/span>\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308a\u81ea\u52d5\u7684\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30b3\u30d4\u30fc\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u56f322\u306f\u3001\u3053\u306e\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u304c\u3059\u3067\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u69d8\u5b50\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117346\" aria-describedby=\"caption-attachment-117346\" style=\"width: 685px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-38.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117346 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-38.png\" alt=\"\u56f321: \u65b0\u3057\u3044Windows\u30b5\u30fc\u30d3\u30b9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002\" width=\"685\" height=\"377\" \/><\/a><figcaption id=\"caption-attachment-117346\" class=\"wp-caption-text\">\u56f322: \u65b0\u3057\u3044Windows\u30b5\u30fc\u30d3\u30b9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/figcaption><\/figure>\n<p>\u30b5\u30fc\u30d3\u30b9\u540d\u306f\u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u4e0b\u306e\u30ea\u30b9\u30c8\u306b\u3001\u6570\u56de\u306e\u30c6\u30b9\u30c8\u5b9f\u884c\u3067\u4f7f\u7528\u3055\u308c\u305f\u3055\u307e\u3056\u307e\u306a\u540d\u524d\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30c7\u30a3\u30b9\u30af\u306e\u30c7\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306e\u63d0\u4f9b\u3002<\/li>\n<li>\u30c6\u30ec\u30d3\u304a\u3088\u3073FM\u653e\u9001\u53d7\u4fe1\u7528Windows Media Center\u30b5\u30fc\u30d3\u30b9\u3002<\/li>\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8d77\u52d5\u306e\u969b\u3001Application Compatibility Cache\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8981\u6c42\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3002<\/li>\n<li>Windows Media Center\u5185\u3067\u306e\u30c6\u30ec\u30d3\u756a\u7d44\u306e\u9332\u753b\u306e\u958b\u59cb\u304a\u3088\u3073\u505c\u6b62\u3002<\/li>\n<li>\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e2f\u57df\u5e45\u3092\u5229\u7528\u3057\u305f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u7121\u52b9\u306e\u5834\u5408\u3001Windows Update\u3084MSN Explorer\u306a\u3069\u3001BITS\u306b\u4f9d\u5b58\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u81ea\u52d5\u7684\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3084\u305d\u306e\u4ed6\u60c5\u5831\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<h3>\u7b2c4\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2 \u2013 DLL\u5206\u6790<\/h3>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Sha256(bd1e56637bd0fe213c2c58d6bd4e6e3693416ec2f90ea29f0c68a0b91815d91a)<\/span><\/p>\n<p>\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u6700\u5f8c\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u3088\u3063\u3066\u3001C2\u30b5\u30fc\u30d0\u30fc\u306b\u60c5\u5831\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306e\u74b0\u5883\u304c\u6e96\u5099\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u306b\u3001\u3053\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u95a2\u6570\u547c\u3073\u51fa\u3057\u3092\u5b9f\u884c\u3057\u3001\u6700\u7d42\u7684\u306bHTTP\u8981\u6c42\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u964d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">0x2E1000<\/span>\u3068\u3044\u3046\u30d9\u30fc\u30b9\u30a2\u30c9\u30ec\u30b9\u3092\u524d\u63d0\u3068\u3057\u3001\u3053\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u914d\u4fe1\u307e\u3067\u306bEmotet\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u305f\u3069\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u3068\u305d\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117348\" aria-describedby=\"caption-attachment-117348\" style=\"width: 847px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-39.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117348 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-39.png\" alt=\"\u56f322: \u6d41\u51fa\u3055\u305b\u308b\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u304a\u3088\u3073\u6e96\u5099\u3059\u308b\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u3002\" width=\"847\" height=\"182\" \/><\/a><figcaption id=\"caption-attachment-117348\" class=\"wp-caption-text\">\u56f323: \u6d41\u51fa\u3055\u305b\u308b\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u304a\u3088\u3073\u6e96\u5099\u3059\u308b\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057<\/figcaption><\/figure>\n<h3>\u7b2c5\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2 \u2013 C2\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/h3>\n<p>\u95a2\u6570\u547c\u3073\u51fa\u3057\u30ea\u30b9\u30c8\u306b\u793a\u3055\u308c\u3066\u3044\u308b\u3068\u304a\u308a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">HttpSendRequestW()<\/span> API\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306b\u3088\u308a\u3001\u9001\u4fe1\u8005\u306f\u3001\u901a\u5e38HTTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u9001\u4fe1\u3059\u308b\u30c7\u30fc\u30bf\u91cf\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117479\" aria-describedby=\"caption-attachment-117479\" style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-40-jp.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117479 size-full lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-40-jp.png\" alt=\"\u56f324: C2\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u524d\u306e\u30e1\u30e2\u30ea\u5185\u306eHTTP\u30c7\u30fc\u30bf\" width=\"649\" height=\"310\" \/><\/a><figcaption id=\"caption-attachment-117479\" class=\"wp-caption-text\">\u56f324: C2\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u524d\u306e\u30e1\u30e2\u30ea\u5185\u306eHTTP\u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<p>\u56f325\u306f\u3001\u9001\u4fe1\u3055\u308c\u3001Wireshark\u306b\u3088\u3063\u3066\u53d6\u5f97\u3055\u308c\u305f\u5f8c\u306e\u30c7\u30fc\u30bf\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_117352\" aria-describedby=\"caption-attachment-117352\" style=\"width: 743px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-41.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-117352 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2021\/03\/word-image-41.png\" alt=\"\u56f325: C2\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u3001Wireshark\u306b\u3088\u3063\u3066\u53d6\u5f97\u3055\u308c\u305f\u30c7\u30fc\u30bf\" width=\"743\" height=\"573\" \/><\/a><figcaption id=\"caption-attachment-117352\" class=\"wp-caption-text\">\u56f325: C2\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u3001Wireshark\u306b\u3088\u3063\u3066\u53d6\u5f97\u3055\u308c\u305f\u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<h2>\u56de\u907f\u30c6\u30af\u30ce\u30ed\u30b8<\/h2>\n<ol>\n<li>\u8907\u6570\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3001\u7b2c1\u6bb5\u968e\u306e\u30ed\u30fc\u30c0\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u306b\u3088\u3063\u3066\u3044\u305a\u308c\u304b\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u304c\u30d6\u30ed\u30c3\u30af\u307e\u305f\u306f\u6355\u6349\u3055\u308c\u306a\u3044\u9650\u308a\u3001\u30ed\u30fc\u30c0\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u6210\u529f\u3057\u307e\u3059\u3002<\/li>\n<li>\u8907\u6570\u306eC2\u30b5\u30fc\u30d0\u30fcIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001C2\u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3057\u307e\u3059\u3002\u3044\u305a\u308c\u304b\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u306a\u3044\u9650\u308a\u3001\u901a\u4fe1\u306f\u6210\u529f\u3057\u307e\u3059\u3002<\/li>\n<li>C2\u901a\u4fe1\u3067\u306f\u3001\u6a5f\u5bc6\u60c5\u5831\u304c\u30ab\u30b9\u30bf\u30e0\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u6697\u53f7\u5316\u3055\u308c\u308b\u3001\u6a19\u6e96\u306eHTTP\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8efd\u6e1b\u306e\u89b3\u70b9\u304b\u3089\u3059\u308b\u3068\u3001\u3053\u306eC2\u306e\u8ca0\u8377\u3092\u7121\u5bb3\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u533a\u5225\u3059\u308b\u306e\u306f\u56f0\u96e3\u3067\u3059\u3002<\/li>\n<\/ol>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u9023\u643a\u3057\u305f\u6cd5\u57f7\u884c\u63aa\u7f6e\u306b\u3088\u308a2021\u5e741\u6708\u672b\u306b\u305d\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u304c\u505c\u6b62\u3055\u308c\u308b\u307e\u3067\u3001Emotet\u306f\u52e2\u529b\u306e\u3042\u308b\u653b\u6483\u8005\u3067\u3057\u305f\u3002\u524d\u8ff0\u306e\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u306f\u7cbe\u5de7\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5358\u4e00\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u88c5\u5099\u3057\u3066\u3082Emotet\u653b\u6483\u306f\u56de\u907f\u3067\u304d\u307e\u305b\u3093\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u521d\u3081\u3066(\u3064\u307e\u308a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3068\u3053\u308c\u3089\u3059\u3079\u3066\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u7d71\u5408\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2)\u3001Emotet\u653b\u6483\u3092\u963b\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u3044\u308b\u6642\u70b9\u3067\u306f\u3001\u4e0b\u8a18\u306eIOC\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b5\u30f3\u30d7\u30eb\u306f\u4e00\u822c\u306b\u306f\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u79c1\u305f\u3061\u306f\u3001Emotet\u306e\u632f\u308b\u821e\u3044\u3068\u901a\u4fe1\u3092\u691c\u51fa\u3057\u3001\u3053\u308c\u3089\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/network-security\/next-generation-firewall\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u3068<a href=\"https:\/\/www.paloaltonetworks.com\/products\/secure-the-network\/subscriptions\/threat-prevention\">\u8105\u5a01\u9632\u5fa1<\/a>\u306e\u30b7\u30b0\u30cd\u30c1\u30e3<a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=21201\">21201<\/a>\u3001<a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=21185\">21185<\/a>\u3001\u304a\u3088\u3073<a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=21167\">21167<\/a>\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u516c\u8868\u3057\u3088\u3046\u3068\u8a66\u307f\u308bHTTP C2\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/products\/secure-the-network\/wildfire\">WildFire<\/a>\u3001NGFW\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073<a href=\"https:\/\/www.paloaltonetworks.com\/cortex\/cortex-xdr\">Cortex XDR<\/a>\u306f\u3001Emotet\u3068\u305d\u306e\u30c9\u30ed\u30c3\u30d1\u2015\u3092\u7279\u5b9a\u3057\u3001\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>IoC<\/h2>\n<h3>\u30b5\u30f3\u30d7\u30eb<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">209a975429304f771ef8a619553ffd9b8fc525a254157cbba47f8e64ec30df79<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">2a8dcfc8f1262e1c6b5f65c52cdccdbcd40ff6218f4f25f82bd3eb025593dbc0<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">2cb81a1a59df4a4fd222fbcb946db3d653185c2e79cf4d3365b430b1988d485f<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">36df660c8e323435d2bc7a5516adcadfbd0b220279f634725e407da9f2b9d4f5<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3788c8a783fbbd61fa60d41b78568c095a8587db728a61bff67c3ffebfad82a4<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">704759a244e3f27481f6ad225a0e1c30ae46e411e01612d68ca76fe2fd8cee54<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">7a18e87591637a8e962386b9c72aed584037a953ce7fe5ae51edba7a0ca57c1a<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">96a1fea9853e6f77d4449da325dfdb1545b905bdb7ba227d24e6a1a5f8cb3bd4<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">a9668efdb68bf251dae8623cb4f3dc8b9b7f42d77927d287633af94a72e9d1dc<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">fc3c1ce6491bca2b028ae8806ca84d4b9dcb577fb2551aa871ca23eca19b10f5<\/span><\/li>\n<\/ul>\n<h3>\u30c9\u30ed\u30c3\u30d1<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0a0bf0cab20ec7fb530738c4e08f8cd5062ea44c5da3d8a3e6ce0768286d4c51<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">2a0a1e12a8a948083abe2a0dcbf9128b8ec7f711251f399e730af6645e86d5c8<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3b3a9517b61d2af8758e60d067c08edd397ad76b25efe1cbd393229088567002<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3bbda08f5e15c5cb4472c6e610f2063eb68f54c0234a2197bc4633f4344ab27f<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">3e2fd3a5d790a0d4efe1100af08e3e2011f26416154ec11f1315db2ca6ca71bd<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">4eb1928c08d16a9407dbf89ad1279886379a0415bdd7760a3b2d0697f7d287c6<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">95bc30b35aa2d2baa80b50e970707197a26bd19d7772cbf65ff3d0300fe8e789<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">97c395e1bd0c35e9b8e6f9d97b470abdfdacec25e0e4e3b987e3813fb902de9f<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">bbb9c1b98ec307a5e84095cf491f7475964a698c90b48a9d43490a05b6ba0a79<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">bd1e56637bd0fe213c2c58d6bd4e6e3693416ec2f90ea29f0c68a0b91815d91a<\/span><\/li>\n<\/ul>\n<h3>URL<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">http:\/\/abrillofurniture[.]com\/bph-nclex-wygq4\/a7nBfhs\/<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">http:\/\/allcannabismeds[.]com\/unraid-map\/ZZm6\/<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">http:\/\/ezi-pos[.]com\/categoryl\/x\/<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">http:\/\/giannaspsychicstudio[.]com\/cgi-bin\/PP\/<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">http:\/\/ienglishabc[.]com\/cow\/JH\/<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">https:\/\/etkindedektiflik[.]com\/pcie-speed\/U\/<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">https:\/\/vstsample[.]com\/wp-includes\/7eXeI\/<\/span><\/li>\n<\/ul>\n<h3>IP<\/h3>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">5.2.136[.]90<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">37.46.129[.]215<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">70.32.89[.]105<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">110.172.180[.]180<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">132.248.38[.]158<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">138.197.99[.]250<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">152.170.79[.]100<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">157.245.145[.]87<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">161.49.84[.]2<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">190.55.186[.]229<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">190.247.139[.]101<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">203.157.152[.]9<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u7d04 Unit 42 \u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u60aa\u540d\u9ad8\u3044\u30d0\u30f3\u30ad\u30f3\u30b0\u30c8\u30ed\u30a4\u306e\u6728\u99acEmotet\u306e\u65b0\u305f\u306a\u66f4\u65b0\u3092\u7279\u5b9a\u3057\u3001\u5206\u6790\u3057\u307e\u3057\u305f\u3002Emotet\u306f2020\u5e7412\u6708\u304b\u3089\u6d3b\u767a\u306b\u5229\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u3057\u3064\u3053\u3055\u3001\u606f\u306e\u9577\u3055\u3001\u56de\u907f\u30c6\u30af\u30cb\u30c3\u30af\u306e\u624b\u5f37\u3055\u304c<\/p>\n","protected":false},"author":347,"featured_media":134418,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4332,4430,1974],"tags":[4843,5396,4869],"product_categories":[4346,4442,4444,4448,4456],"coauthors":[2423,845,909,1360,911],"class_list":["post-117463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trend-reports","category-trend-reports-ja","category-malware-ja","tag-c2-ja","tag-emotet","tag-evasion-ja","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-ja","product_categories-advanced-wildfire-ja","product_categories-cortex-xdr-ja","product_categories-next-generation-firewall-ja"],"yoast_head":"<!-- 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