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1682NanoCore_fb229b03784ad63ca1a7cc6191364158_exe_2019-09-12_13_30.txt

paladin316
Sep 12th, 2019
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  1.  
  2. * ID: 1682
  3. * MalFamily: "Nanocore"
  4.  
  5. * MalScore: 10.0
  6.  
  7. * File Name: "NanoCore_fb229b03784ad63ca1a7cc6191364158.exe"
  8. * File Size: 507904
  9. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  10. * SHA256: "f54f5002fa901362b43715d5f581b984621bee92a1ce11f86b91aa8656c0f56d"
  11. * MD5: "fb229b03784ad63ca1a7cc6191364158"
  12. * SHA1: "151672d769dc811fe30b7ea68a80f9233eb2bf5a"
  13. * SHA512: "27ab7abeb98327cb743e6fe62a0c5dd8b360c4b8aafa3c6838986c02ada30e38e3511ea5b093ddf165dbac060e1e8ba646cbcb86c04e9b3fdce9906fdf1802b6"
  14. * CRC32: "60F3A159"
  15. * SSDEEP: "12288:xtV8DgLybOGNyOArVD36fDlPqIwo3Zg8:xtVV+bOGEOI3WDlPqeZg8"
  16.  
  17. * Process Execution:
  18. "whbhv.exe",
  19. "whbhv.exe",
  20. "schtasks.exe",
  21. "schtasks.exe",
  22. "svchost.exe"
  23.  
  24.  
  25. * Executed Commands:
  26. "\"C:\\Users\\user\\AppData\\Local\\Temp\\whbhv.exe\"",
  27. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6206.tmp\"",
  28. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF4.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 (1 unique times)",
  42. "Details":
  43.  
  44. "IP_ioc": "79.134.225.74:2177 (Switzerland)"
  45.  
  46.  
  47.  
  48.  
  49. "Description": "Possible date expiration check, exits too soon after checking local time",
  50. "Details":
  51.  
  52. "process": "whbhv.exe, PID 2220"
  53.  
  54.  
  55.  
  56.  
  57. "Description": "Guard pages use detected - possible anti-debugging.",
  58. "Details":
  59.  
  60.  
  61. "Description": "A process attempted to delay the analysis task.",
  62. "Details":
  63.  
  64. "Process": "whbhv.exe tried to sleep 1032 seconds, actually delayed analysis time by 0 seconds"
  65.  
  66.  
  67. "Process": "svchost.exe tried to sleep 360 seconds, actually delayed analysis time by 0 seconds"
  68.  
  69.  
  70.  
  71.  
  72. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  73. "Details":
  74.  
  75. "ioc": "v2.0.50727"
  76.  
  77.  
  78.  
  79.  
  80. "Description": "A process created a hidden window",
  81. "Details":
  82.  
  83. "Process": "whbhv.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6206.tmp\""
  84.  
  85.  
  86. "Process": "whbhv.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF4.tmp\""
  87.  
  88.  
  89.  
  90.  
  91. "Description": "The binary likely contains encrypted or compressed data.",
  92. "Details":
  93.  
  94. "section": "name: .text, entropy: 7.11, characteristics: IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ, raw_size: 0x00079000, virtual_size: 0x00078bf0"
  95.  
  96.  
  97.  
  98.  
  99. "Description": "Uses Windows utilities for basic functionality",
  100. "Details":
  101.  
  102. "command": "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6206.tmp\""
  103.  
  104.  
  105. "command": "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF4.tmp\""
  106.  
  107.  
  108.  
  109.  
  110. "Description": "Behavioural detection: Injection (Process Hollowing)",
  111. "Details":
  112.  
  113. "Injection": "whbhv.exe(2220) -> whbhv.exe(2988)"
  114.  
  115.  
  116.  
  117.  
  118. "Description": "Executed a process and injected code into it, probably while unpacking",
  119. "Details":
  120.  
  121. "Injection": "whbhv.exe(2220) -> whbhv.exe(2988)"
  122.  
  123.  
  124.  
  125.  
  126. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  127. "Details":
  128.  
  129. "file": "C:\\Users\\user\\AppData\\Local\\Temp\\whbhv.exe:Zone.Identifier"
  130.  
  131.  
  132.  
  133.  
  134. "Description": "Attempts to execute a Living Off The Land Binary command for post exeploitation",
  135. "Details":
  136.  
  137. "MITRE T1078 - schtask": "(Tactic: Execution, Persistence, Privilege Escalation)"
  138.  
  139.  
  140.  
  141.  
  142. "Description": "Installs itself for autorun at Windows startup",
  143. "Details":
  144.  
  145. "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  146.  
  147.  
  148. "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  149.  
  150.  
  151.  
  152.  
  153. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  154. "Details":
  155.  
  156.  
  157. "Description": "File has been identified by 16 Antiviruses on VirusTotal as malicious",
  158. "Details":
  159.  
  160. "FireEye": "Generic.mg.fb229b03784ad63c"
  161.  
  162.  
  163. "Cylance": "Unsafe"
  164.  
  165.  
  166. "Cybereason": "malicious.769dc8"
  167.  
  168.  
  169. "Invincea": "heuristic"
  170.  
  171.  
  172. "F-Prot": "W32/VBKrypt.SQ.gen!Eldorado"
  173.  
  174.  
  175. "Symantec": "ML.Attribute.HighConfidence"
  176.  
  177.  
  178. "APEX": "Malicious"
  179.  
  180.  
  181. "McAfee-GW-Edition": "BehavesLike.Win32.Fareit.gc"
  182.  
  183.  
  184. "Trapmine": "malicious.high.ml.score"
  185.  
  186.  
  187. "SentinelOne": "DFI - Suspicious PE"
  188.  
  189.  
  190. "Cyren": "W32/VBKrypt.SQ.gen!Eldorado"
  191.  
  192.  
  193. "Microsoft": "Trojan:Win32/Wacatac.B!ml"
  194.  
  195.  
  196. "Endgame": "malicious (high confidence)"
  197.  
  198.  
  199. "Acronis": "suspicious"
  200.  
  201.  
  202. "McAfee": "Fareit-FPW!FB229B03784A"
  203.  
  204.  
  205. "CrowdStrike": "win/malicious_confidence_70% (D)"
  206.  
  207.  
  208.  
  209.  
  210. "Description": "Creates a copy of itself",
  211. "Details":
  212.  
  213. "copy": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  214.  
  215.  
  216.  
  217.  
  218. "Description": "Collects information to fingerprint the system",
  219. "Details":
  220.  
  221.  
  222.  
  223. * Started Service:
  224.  
  225. * Mutexes:
  226. "Global\\CLR_PerfMon_WrapMutex",
  227. "Global\\CLR_CASOFF_MUTEX",
  228. "Global\\57ac23a9-49e6-40ed-b469-3425e518602c",
  229. "Global\\.net clr networking"
  230.  
  231.  
  232. * Modified Files:
  233. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
  234. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  235. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6206.tmp",
  236. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
  237. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF4.tmp",
  238. "C:\\Windows\\SoftwareDistribution\\DataStore\\DataStore.edb",
  239. "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edb.chk"
  240.  
  241.  
  242. * Deleted Files:
  243. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  244. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
  245. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6206.tmp",
  246. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF4.tmp",
  247. "C:\\Users\\user\\AppData\\Local\\Temp\\whbhv.exe:Zone.Identifier",
  248. "C:\\Windows\\Tasks\\DSL Subsystem.job",
  249. "C:\\Windows\\Tasks\\DSL Subsystem Task.job",
  250. "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edbtmp.log"
  251.  
  252.  
  253. * Modified Registry Keys:
  254. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem",
  255. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\3F840E57-A70C-4327-8D4C-6299DE36D6F0\\Path",
  256. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\3F840E57-A70C-4327-8D4C-6299DE36D6F0\\Hash",
  257. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Id",
  258. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Index",
  259. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\3F840E57-A70C-4327-8D4C-6299DE36D6F0\\Triggers",
  260. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\51DBD72A-CC84-4922-8645-8823E24A7109\\Path",
  261. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\51DBD72A-CC84-4922-8645-8823E24A7109\\Hash",
  262. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Id",
  263. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Index",
  264. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\51DBD72A-CC84-4922-8645-8823E24A7109\\Triggers"
  265.  
  266.  
  267. * Deleted Registry Keys:
  268. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job",
  269. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job.fp",
  270. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job",
  271. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job.fp"
  272.  
  273.  
  274. * DNS Communications:
  275.  
  276. "type": "A",
  277. "request": "harri2gud.duckdns.org",
  278. "answers":
  279.  
  280.  
  281.  
  282. * Domains:
  283.  
  284. "ip": "79.134.225.74",
  285. "domain": "harri2gud.duckdns.org"
  286.  
  287.  
  288.  
  289. * Network Communication - ICMP:
  290.  
  291. * Network Communication - HTTP:
  292.  
  293. * Network Communication - SMTP:
  294.  
  295. * Network Communication - Hosts:
  296.  
  297. "country_name": "Switzerland",
  298. "ip": "79.134.225.74",
  299. "inaddrarpa": "",
  300. "hostname": ""
  301.  
  302.  
  303.  
  304. * Network Communication - IRC:
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