{"id":106505,"date":"2015-01-28T12:45:33","date_gmt":"2015-01-28T20:45:33","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=106505"},"modified":"2020-04-21T02:41:34","modified_gmt":"2020-04-21T09:41:34","slug":"newest-ctb-locker-campaign-bypasses-legacy-security-products","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/newest-ctb-locker-campaign-bypasses-legacy-security-products\/","title":{"rendered":"\u6700\u65b0\u306eCTB-Locker\u653b\u6483\u306f\u5f93\u6765\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u3092\u3059\u308a\u629c\u3051\u308b"},"content":{"rendered":"<h2><b>\u306f\u3058\u3081\u306b<\/b><\/h2>\n<p>CTB-Locker\u306f\u3001\u88ab\u5bb3\u8005\u306e\u7aef\u672b\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u6697\u53f7\u5316\u3057\u3001\u5143\u306e\u72b6\u614b\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u5fa9\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u8eab\u4ee3\u91d1\u3092\u8981\u6c42\u3059\u308b\u3068\u3044\u3046\u3001\u30af\u30e9\u30a4\u30e0\u30a6\u30a7\u30a2\u30b0\u30eb\u30fc\u30d7\u304c\u4f7f\u7528\u3059\u308b\u6709\u540d\u306a\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u3067\u306f\u300cCryptoLocker\u300d\u3068\u3057\u3066\u8aa4\u691c\u77e5\u3057\u3066\u3044\u307e\u3059\uff08\u4e00\u3064\u306e\u30d9\u30f3\u30c0\u306e\u307f\u304cCTB-Locker\u3068\u3057\u3066\u6b63\u3057\u304f\u691c\u77e5\uff09\u3002\u653b\u6483\u7d4c\u8def\u306f\u975e\u5e38\u306b\u5358\u7d14\u3067\u3001\u6b21\u306e\u3088\u3046\u306a\u52d5\u304d\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305aSCR (\u30b9\u30af\u30ea\u30fc\u30f3\u30bb\u30fc\u30d0\u30fc) \u306ezip\u5f62\u5f0f\u3067\u4e8c\u91cd\u5727\u7e2e\u3055\u308c\u305f\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u304c\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3067\u9001\u4fe1\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u305d\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u7b2c\u4e00\u6bb5\u968e\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3001\u6c7a\u3081\u6253\u3061\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30b9\u30c8\u304b\u3089\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p><img  class=\"size-full wp-image-106514 aligncenter lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2015\/01\/Fig01.png\" alt=\"\" width=\"500\" height=\"352\" \/><\/p>\n<h3><b>\u653b\u6483\u306e\u306f\u3058\u307e\u308a<\/b><\/h3>\n<p>\u672c\u4ef6\u306e\u653b\u6483\u304c\u521d\u3081\u3066\u691c\u77e5\u3055\u308c\u305f\u306e\u306f\u30012014\u5e7411\u6708\u306e\u30af\u30e9\u30a4\u30e0\u30a6\u30a7\u30a2\u306b\u3088\u308b\u3082\u306e\u3067\u3057\u305f\u3002\u7b2c\u4e00\u6bb5\u968e\u3067\u306f\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u304b\u3089\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>pubbliemme[.]com (<b>5.134.122[.]150<\/b>)<\/li>\n<li>agatecom[.]fr (<b>213.186.33[.]19<\/b>)<\/li>\n<li>n23[.]fr (<b>213.186.33[.]4<\/b>)<\/li>\n<li>baselineproduction[.]fr (<b>213.186.33[.]4<\/b>)<\/li>\n<\/ul>\n<h3><b>\u5f93\u6765\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u306b\u300c\u60aa\u5922\u300d\u3068\u306a\u308b\u653b\u6483<\/b><\/h3>\n<p>2015\u5e741\u670819\u65e5\u304b\u308920\u65e5\u307e\u3067\u306b\u884c\u308f\u308c\u305f\u653b\u6483\u306f\u975e\u5e38\u306b\u6df1\u523b\u3067\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/platforms.html\" data-page-track=\"true\" data-page-track-value=\"company:2015-0212newest-ctb-locker-campaign-bypasses-legacy-security-products: section: \">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>\u306f\u305d\u308c\u4ee5\u67651,000\u4ef6\u4ee5\u4e0a\u306e\u500b\u5225\u653b\u6483\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u65b0\u3057\u3044\u653b\u6483\u3092\u691c\u51fa\u3059\u308b\u30b7\u30b0\u30cd\u30c1\u30e3\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u88ab\u5bb3\u8005\u304c\u4f7f\u3048\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001\u653b\u6483\u8005\u306f\u7570\u306a\u308b\u30cf\u30c3\u30b7\u30e5\u3092\u6301\u3064\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3054\u3068\u306b\u30ab\u30b9\u30bf\u30e0\u751f\u6210\u3059\u308b\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\uff08\u5909\u5316\uff09\u578b\u30de\u30eb\u30a6\u30a7\u30a2\u751f\u6210\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u672c\u6765\u3067\u3042\u308c\u3070\u9632\u5fa1\u3059\u308b\u3053\u3068\u304c\u89e3\u6c7a\u7b56\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u30d0\u30a4\u30c8\u5217\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u3088\u3046\u306a\u5f93\u6765\u578b\u6280\u8853\u3092\u4f7f\u3063\u3066\u3044\u308b\u5f93\u6765\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u3067\u306f\u3001\u88ab\u5bb3\u304c\u8d77\u304d\u305f\u5f8c\u3067\u3057\u304b\u653b\u6483\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u3053\u306e\u624b\u6cd5\u306f\u60aa\u5922\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.paloaltonetworks.jp\/products\/platforms.html\" data-page-track=\"true\" data-page-track-value=\"company:2015-0212newest-ctb-locker-campaign-bypasses-legacy-security-products: section: \">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a>\u306f\u3001\u7279\u5b9a\u653b\u6483\u306e\u4e88\u5099\u77e5\u8b58\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u4ed6\u306e\u653b\u6483\u3068\u3068\u3082\u306b\u3053\u306e\u653b\u6483\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u591a\u5c64\u9632\u5fa1\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><b>IOC<\/b>\u00a0(Indicators of Compromise\uff1a\u8105\u5a01\u306e\u5b58\u5728\u3092\u793a\u3059\u75d5\u8de1)<b>\u3068\u7d71\u8a08\u60c5\u5831<\/b><\/h3>\n<ul>\n<li>breteau-photographe[.]com (<b>213.186.33[.]150<\/b>)<\/li>\n<li>voigt-its[.]de (<b>188.93.8[.]7<\/b>)<\/li>\n<li>maisondessources[.]com (<b>213.186.33[.]19<\/b>)<\/li>\n<li>jbmsystem[.]fr (<b>213.186.33[.]3<\/b>)<\/li>\n<li>pleiade.asso[.]fr (<b>213.186.33[.]19<\/b>)<\/li>\n<li>scolapedia[.]org (<b>213.186.33[.]19<\/b>)<\/li>\n<\/ul>\n<p>\u30b5\u30fc\u30d0\u30fc\u306e\u30db\u30b9\u30c8\u540d\u304c\u5909\u66f4\u3055\u308c\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u5909\u66f4\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<a href=\"https:\/\/blog.paloaltonetworks.com\/wp-content\/uploads\/2015\/01\/VT-results1.docx\" data-page-track=\"true\" data-page-track-value=\"company:2015-0212newest-ctb-locker-campaign-bypasses-legacy-security-products: section: \">VirusTotal<\/a>\u306b\u304a\u3051\u308b1\u670818\u65e5\u9031\u306e\u653b\u6483\u306b\u95a2\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u691c\u8a3c\u7d50\u679c\u3092\u542b\u3080\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307b\u3068\u3093\u3069\u306e\u5f93\u6765\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u6295\u7a3f\u3055\u308c\u305f\u6642\u70b9\u3067\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u5148\u9031\u767a\u898b\u3055\u308c\u305f\u3053\u308c\u3089\u30cf\u30c3\u30b7\u30e5\u3092\u518d\u5ea6\u691c\u8a3c\u3059\u308b\u3068\u300157\u500b\u4e2d49\u500b\u306e\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30a8\u30f3\u30b8\u30f3\u3067\u5148\u9031\u306e\u8105\u5a01\u3092\u691c\u51fa\u3067\u304d\u308b\u3068\u3044\u3046\u5e73\u5747\u5024\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u30c7\u30fc\u30bf\u3092\u5931\u3063\u3066\u3057\u307e\u3063\u305f\u4eba\u306b\u3068\u3063\u3066\u306f\u3001\u3053\u306e\u7d50\u679c\u306f\u3042\u307e\u308a\u306b\u5c11\u306a\u304f\u3001\u4e14\u3064\u9045\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3><b>\u65b0\u898f<\/b><b>\u00a0(<\/b><b>\u73fe\u72b6\u7a3c\u50cd\u4e2d<\/b><b>)\u00a0<\/b><b>\u306e\u653b\u6483<\/b><\/h3>\n<p>\u3053\u306e\u653b\u6483\u306f1\u670828\u65e5\u9031\u306b\u958b\u59cb\u3055\u308c\u3001\u540c\u3058\u6280\u8853\u3067\u540c\u3058IOC (\u8105\u5a01\u306e\u5b58\u5728\u3092\u793a\u3059\u75d5\u8de1) \u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u540c\u3058mutex\u540d: wuqntwklyxwhac<\/li>\n<li>\u540c\u3058\u30b8\u30e7\u30d6\u540d: cderkbm.job<\/li>\n<\/ul>\n<p>\u305d\u3057\u3066\u65b0\u898f\u30db\u30b9\u30c8\u540d\u304c2\u3064\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>joefel[.]com (<b>64.71.33[.]177<\/b>)<\/li>\n<li>m-a-metare[.]fr (<b>213.186.33[.]4<\/b>) \u2013 \u524d\u56de\u3068\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9<\/li>\n<\/ul>\n<p>\u4eca\u3068\u306a\u3063\u3066\u306f\u3001\u3053\u308c\u3089\u3044\u305a\u308c\u304b\u304c\u540c\u69d8\u306e\u65e2\u77e5\u306e\u60aa\u8cea\u306aIP\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b\u3053\u3068\u306b\u9a5a\u304f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u672c\u65e5\u3060\u3051\u3067\u3082\u3001147\u4ef6\u306e\u65b0\u3057\u3044\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u304c\u767a\u898b\u3057\u307e\u3057\u305f\u304c\u3001VirusTotal\u306b\u3088\u308b\u3068\u305d\u306e\u3046\u30612\u3064\u306f\u5f93\u6765\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u5168\u304f\u691c\u51fa\u3067\u304d\u305a\u3001\u305d\u308c\u4ee5\u5916\u306e\u307b\u3068\u3093\u3069\u3082\u304b\u308d\u3046\u3058\u3066\uff11\u3064\u306e\u30d9\u30f3\u30c0\u306e\u307f\u3067\u691c\u51fa\u3055\u308c\u308b\u3060\u3051\u3067\u3057\u305f\uff08\u3044\u304f\u3064\u304b\u306f57\u500b\u4e2d4\u500b\u306e\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30a8\u30f3\u30b8\u30f3\u3067\u691c\u51fa\u304c\u3067\u304d\u307e\u3057\u305f\u304c\uff09\u3002<\/p>\n<p>\u4ee5\u4e0b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img  class=\"aligncenter wp-image-106516 size-full lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2015\/01\/Fig02.png\" alt=\"\" width=\"500\" height=\"407\" \/><\/p>\n<h3>\u5bfe\u5fdc\u7b56\u3068\u3057\u3066\u306e2\u3064\u306e\u9078\u629e\u80a2<\/h3>\n<ol>\n<li>\u30cf\u30c3\u30b7\u30e5\u3092\u6bce\u9031\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u7948\u308a\u307e\u3057\u3087\u3046\u3002\uff08\u30cf\u30c3\u30b7\u30e5\u30ea\u30b9\u30c8\u306e\u7ae0\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f93\u6765\u578b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u8eab\u52d5\u304d\u306e\u53d6\u308c\u306a\u3044\u4eba\u3092\u52a9\u3051\u3089\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002\uff09<\/li>\n<li>\u3053\u308c\u3089\u3092\u5b9f\u8cea\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3067\u304d\u308b\u6b21\u4e16\u4ee3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n<h3><b>\u6700\u65b0\u306e\u653b\u6483\u306e<\/b><b>IOC<\/b><\/h3>\n<p>\u3053\u306e\u653b\u6483\u306b\u95a2\u3057\u3066\u6700\u3082\u9a5a\u304f\u3079\u304d\u4e8b\u5b9f\u306f\u3001\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306eIOC\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u540c\u3058mutex\u540d: 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