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1513NanoCore_10a0f955d92a0988b09e81c3b5ce378f_exe_2019-09-11_10_30.txt

paladin316
Sep 11th, 2019
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  1.  
  2. * ID: 1513
  3. * MalFamily: "Nanocore"
  4.  
  5. * MalScore: 10.0
  6.  
  7. * File Name: "NanoCore_10a0f955d92a0988b09e81c3b5ce378f.exe"
  8. * File Size: 462848
  9. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  10. * SHA256: "b037a16df70f25422941f24d4b46173fcbabd86b0bcaf7c4a7b008db066e3c71"
  11. * MD5: "10a0f955d92a0988b09e81c3b5ce378f"
  12. * SHA1: "77786ccf15fb9c43d850f10c88d9017df3b01f23"
  13. * SHA512: "72a03892dbf75854f84d52b4b49f51cf62c1033ddc057adc4a677432ef8cee7fe1c387b2a9e4e8c43af1c72148b55e790b9e1091d384beecd1592130bdde657a"
  14. * CRC32: "F2BAB74E"
  15. * SSDEEP: "6144:JRhRT4BMwzUq/SSv0Vf45o1OJ/+L6cVPGNHzpxZXteG8dhO:zT8hdv0VfNOh26SPGNTpxttZ"
  16.  
  17. * Process Execution:
  18. "J24p2.exe",
  19. "J24p2.exe",
  20. "schtasks.exe",
  21. "schtasks.exe",
  22. "svchost.exe"
  23.  
  24.  
  25. * Executed Commands:
  26. "\"C:\\Users\\user\\AppData\\Local\\Temp\\J24p2.exe\"",
  27. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpF7B0.tmp\"",
  28. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp1C3.tmp\""
  29.  
  30.  
  31. * Signatures Detected:
  32.  
  33. "Description": "Behavioural detection: Executable code extraction",
  34. "Details":
  35.  
  36.  
  37. "Description": "SetUnhandledExceptionFilter detected (possible anti-debug)",
  38. "Details":
  39.  
  40.  
  41. "Description": "Attempts to connect to a dead IP:Port (2 unique times)",
  42. "Details":
  43.  
  44. "IP_ioc": "79.134.225.70:3940 (Switzerland)"
  45.  
  46.  
  47. "IP_ioc": "105.112.108.176:3940 (Nigeria)"
  48.  
  49.  
  50.  
  51.  
  52. "Description": "Creates RWX memory",
  53. "Details":
  54.  
  55.  
  56. "Description": "Guard pages use detected - possible anti-debugging.",
  57. "Details":
  58.  
  59.  
  60. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  61. "Details":
  62.  
  63. "ioc": "v2.0.50727"
  64.  
  65.  
  66.  
  67.  
  68. "Description": "A process created a hidden window",
  69. "Details":
  70.  
  71. "Process": "J24p2.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpF7B0.tmp\""
  72.  
  73.  
  74. "Process": "J24p2.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp1C3.tmp\""
  75.  
  76.  
  77.  
  78.  
  79. "Description": "The binary likely contains encrypted or compressed data.",
  80. "Details":
  81.  
  82. "section": "name: .text, entropy: 7.25, characteristics: IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ, raw_size: 0x0006e000, virtual_size: 0x0006dc50"
  83.  
  84.  
  85.  
  86.  
  87. "Description": "Uses Windows utilities for basic functionality",
  88. "Details":
  89.  
  90. "command": "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpF7B0.tmp\""
  91.  
  92.  
  93. "command": "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp1C3.tmp\""
  94.  
  95.  
  96.  
  97.  
  98. "Description": "Behavioural detection: Injection (Process Hollowing)",
  99. "Details":
  100.  
  101. "Injection": "J24p2.exe(940) -> J24p2.exe(2684)"
  102.  
  103.  
  104.  
  105.  
  106. "Description": "Executed a process and injected code into it, probably while unpacking",
  107. "Details":
  108.  
  109. "Injection": "J24p2.exe(940) -> J24p2.exe(2684)"
  110.  
  111.  
  112.  
  113.  
  114. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  115. "Details":
  116.  
  117. "file": "C:\\Users\\user\\AppData\\Local\\Temp\\J24p2.exe:Zone.Identifier"
  118.  
  119.  
  120.  
  121.  
  122. "Description": "Attempts to repeatedly call a single API many times in order to delay analysis time",
  123. "Details":
  124.  
  125. "Spam": "J24p2.exe (2684) called API NtYieldExecution 10234 times"
  126.  
  127.  
  128.  
  129.  
  130. "Description": "Attempts to execute a Living Off The Land Binary command for post exeploitation",
  131. "Details":
  132.  
  133. "MITRE T1078 - schtask": "(Tactic: Execution, Persistence, Privilege Escalation)"
  134.  
  135.  
  136.  
  137.  
  138. "Description": "Installs itself for autorun at Windows startup",
  139. "Details":
  140.  
  141. "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  142.  
  143.  
  144. "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  145.  
  146.  
  147.  
  148.  
  149. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  150. "Details":
  151.  
  152.  
  153. "Description": "File has been identified by 17 Antiviruses on VirusTotal as malicious",
  154. "Details":
  155.  
  156. "McAfee": "Fareit-FPW!10A0F955D92A"
  157.  
  158.  
  159. "Cylance": "Unsafe"
  160.  
  161.  
  162. "CrowdStrike": "win/malicious_confidence_60% (D)"
  163.  
  164.  
  165. "Invincea": "heuristic"
  166.  
  167.  
  168. "F-Prot": "W32/VBKrypt.SQ.gen!Eldorado"
  169.  
  170.  
  171. "Symantec": "ML.Attribute.HighConfidence"
  172.  
  173.  
  174. "APEX": "Malicious"
  175.  
  176.  
  177. "Paloalto": "generic.ml"
  178.  
  179.  
  180. "Endgame": "malicious (high confidence)"
  181.  
  182.  
  183. "McAfee-GW-Edition": "BehavesLike.Win32.Fareit.gc"
  184.  
  185.  
  186. "Trapmine": "malicious.high.ml.score"
  187.  
  188.  
  189. "FireEye": "Generic.mg.10a0f955d92a0988"
  190.  
  191.  
  192. "SentinelOne": "DFI - Malicious PE"
  193.  
  194.  
  195. "Cyren": "W32/VBKrypt.SQ.gen!Eldorado"
  196.  
  197.  
  198. "Microsoft": "Trojan:Win32/Wacatac.B!ml"
  199.  
  200.  
  201. "Acronis": "suspicious"
  202.  
  203.  
  204. "Cybereason": "malicious.f15fb9"
  205.  
  206.  
  207.  
  208.  
  209. "Description": "Creates a copy of itself",
  210. "Details":
  211.  
  212. "copy": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  213.  
  214.  
  215.  
  216.  
  217. "Description": "Generates some ICMP traffic",
  218. "Details":
  219.  
  220.  
  221. "Description": "Collects information to fingerprint the system",
  222. "Details":
  223.  
  224.  
  225. "Description": "Created network traffic indicative of malicious activity",
  226. "Details":
  227.  
  228. "signature": "ET TROJAN Possible NanoCore C2 60B"
  229.  
  230.  
  231.  
  232.  
  233.  
  234. * Started Service:
  235.  
  236. * Mutexes:
  237. "Global\\CLR_PerfMon_WrapMutex",
  238. "Global\\CLR_CASOFF_MUTEX",
  239. "Global\\323df2fa-8482-4fe0-ae2a-af543502105e",
  240. "Global\\.net clr networking"
  241.  
  242.  
  243. * Modified Files:
  244. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
  245. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  246. "C:\\Users\\user\\AppData\\Local\\Temp\\tmpF7B0.tmp",
  247. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
  248. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp1C3.tmp",
  249. "C:\\Windows\\SoftwareDistribution\\DataStore\\DataStore.edb",
  250. "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edb.chk"
  251.  
  252.  
  253. * Deleted Files:
  254. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  255. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
  256. "C:\\Users\\user\\AppData\\Local\\Temp\\tmpF7B0.tmp",
  257. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp1C3.tmp",
  258. "C:\\Users\\user\\AppData\\Local\\Temp\\J24p2.exe:Zone.Identifier",
  259. "C:\\Windows\\Tasks\\DSL Subsystem.job",
  260. "C:\\Windows\\Tasks\\DSL Subsystem Task.job",
  261. "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edbtmp.log"
  262.  
  263.  
  264. * Modified Registry Keys:
  265. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem",
  266. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\371C7AE0-E7B0-4535-8AD0-2D046DB26874\\Path",
  267. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\371C7AE0-E7B0-4535-8AD0-2D046DB26874\\Hash",
  268. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Id",
  269. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Index",
  270. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\371C7AE0-E7B0-4535-8AD0-2D046DB26874\\Triggers",
  271. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\48494C41-8658-49AA-8931-979B93D30063\\Path",
  272. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\48494C41-8658-49AA-8931-979B93D30063\\Hash",
  273. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Id",
  274. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Index",
  275. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\48494C41-8658-49AA-8931-979B93D30063\\Triggers"
  276.  
  277.  
  278. * Deleted Registry Keys:
  279. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job",
  280. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job.fp",
  281. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job",
  282. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job.fp"
  283.  
  284.  
  285. * DNS Communications:
  286.  
  287. "type": "A",
  288. "request": "danishcent.duckdns.org",
  289. "answers":
  290.  
  291. "data": "105.112.108.176",
  292. "type": "A"
  293.  
  294.  
  295.  
  296.  
  297.  
  298. * Domains:
  299.  
  300. "ip": "105.112.108.176",
  301. "domain": "danishcent.duckdns.org"
  302.  
  303.  
  304.  
  305. * Network Communication - ICMP:
  306.  
  307. "src": "63.218.207.77",
  308. "dst": "169.254.255.254
  309. "type": 11,
  310. "data": ""
  311.  
  312.  
  313.  
  314. * Network Communication - HTTP:
  315.  
  316. * Network Communication - SMTP:
  317.  
  318. * Network Communication - Hosts:
  319.  
  320. "country_name": "Switzerland",
  321. "ip": "79.134.225.70",
  322. "inaddrarpa": "",
  323. "hostname": ""
  324.  
  325.  
  326. "country_name": "Nigeria",
  327. "ip": "105.112.108.176",
  328. "inaddrarpa": "",
  329. "hostname": "danishcent.duckdns.org"
  330.  
  331.  
  332.  
  333. * Network Communication - IRC:
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