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NanoCore_f78829a49594990e80b3355bb14b792e_exe_2019-08-07_11_30.txt

paladin316
Aug 7th, 2019
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  1.  
  2. * MalFamily: "Nanocore"
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "NanoCore_f78829a49594990e80b3355bb14b792e.exe"
  7. * File Size: 1172992
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "ef547c196540b7a43cb5447316ac02c1f24be1816ab455c0e78a9a4d8cbc36d1"
  10. * MD5: "f78829a49594990e80b3355bb14b792e"
  11. * SHA1: "f80a2b57da126fbd494c52a9c31b104bf4985e47"
  12. * SHA512: "97c2949056a1c3a2f83b34cb9cd5d8b1ec6a4c3284ff0cef687fd07637dada23ca548d8055f7bd49c0c0d5f44456739a8a489dfae66013595e0b0276128808a2"
  13. * CRC32: "FE04E7B2"
  14. * SSDEEP: "24576:9AHnh+eWsN3skA4RV1Hom2KXMmHamhVyuvVDqid5:ch+ZkldoPK8Yam71z"
  15.  
  16. * Process Execution:
  17. "NanoCore_f78829a49594990e80b3355bb14b792e.exe",
  18. "RegAsm.exe"
  19.  
  20.  
  21. * Executed Commands:
  22.  
  23. * Signatures Detected:
  24.  
  25. "Description": "Attempts to connect to a dead IP:Port (1 unique times)",
  26. "Details":
  27.  
  28. "IP": "194.5.98.240:6040"
  29.  
  30.  
  31.  
  32.  
  33. "Description": "Creates RWX memory",
  34. "Details":
  35.  
  36.  
  37. "Description": "A process attempted to delay the analysis task.",
  38. "Details":
  39.  
  40. "Process": "RegAsm.exe tried to sleep 1105 seconds, actually delayed analysis time by 0 seconds"
  41.  
  42.  
  43.  
  44.  
  45. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  46. "Details":
  47.  
  48. "ioc": "v2.0.50727"
  49.  
  50.  
  51.  
  52.  
  53. "Description": "Expresses interest in specific running processes",
  54. "Details":
  55.  
  56. "process": "svchost.exe"
  57.  
  58.  
  59. "process": "RegAsm.exe"
  60.  
  61.  
  62.  
  63.  
  64. "Description": "Reads data out of its own binary image",
  65. "Details":
  66.  
  67. "self_read": "process: NanoCore_f78829a49594990e80b3355bb14b792e.exe, pid: 1756, offset: 0x00000000, length: 0x0011e600"
  68.  
  69.  
  70. "self_read": "process: RegAsm.exe, pid: 796, offset: 0x00000000, length: 0x00001000"
  71.  
  72.  
  73. "self_read": "process: RegAsm.exe, pid: 796, offset: 0x00000080, length: 0x00000200"
  74.  
  75.  
  76. "self_read": "process: RegAsm.exe, pid: 796, offset: 0x00000178, length: 0x00000200"
  77.  
  78.  
  79. "self_read": "process: RegAsm.exe, pid: 796, offset: 0x0000a720, length: 0x00000200"
  80.  
  81.  
  82. "self_read": "process: RegAsm.exe, pid: 796, offset: 0x0000a73c, length: 0x00000200"
  83.  
  84.  
  85.  
  86.  
  87. "Description": "The binary likely contains encrypted or compressed data.",
  88. "Details":
  89.  
  90. "section": "name: .rsrc, entropy: 7.88, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00054000, virtual_size: 0x00053e54"
  91.  
  92.  
  93.  
  94.  
  95. "Description": "Executed a process and injected code into it, probably while unpacking",
  96. "Details":
  97.  
  98. "Injection": "NanoCore_f78829a49594990e80b3355bb14b792e.exe(1756) -> RegAsm.exe(796)"
  99.  
  100.  
  101.  
  102.  
  103. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  104. "Details":
  105.  
  106. "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier"
  107.  
  108.  
  109.  
  110.  
  111. "Description": "Installs itself for autorun at Windows startup",
  112. "Details":
  113.  
  114. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\dDfeukpLgo"
  115.  
  116.  
  117. "data": "C:\\Users\\Public\\dDfeukpLgo.vbs"
  118.  
  119.  
  120. "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  121.  
  122.  
  123. "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  124.  
  125.  
  126.  
  127.  
  128. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  129. "Details":
  130.  
  131.  
  132. "Description": "File has been identified by 16 Antiviruses on VirusTotal as malicious",
  133. "Details":
  134.  
  135. "FireEye": "Generic.mg.f78829a49594990e"
  136.  
  137.  
  138. "Qihoo-360": "HEUR/QVM10.1.08FF.Malware.Gen"
  139.  
  140.  
  141. "McAfee": "Trojan-AitInject.aq"
  142.  
  143.  
  144. "APEX": "Malicious"
  145.  
  146.  
  147. "Paloalto": "generic.ml"
  148.  
  149.  
  150. "Invincea": "heuristic"
  151.  
  152.  
  153. "McAfee-GW-Edition": "BehavesLike.Win32.Downloader.tc"
  154.  
  155.  
  156. "Trapmine": "malicious.moderate.ml.score"
  157.  
  158.  
  159. "Antiy-AVL": "GrayWare/Autoit.RunPE.a"
  160.  
  161.  
  162. "Endgame": "malicious (high confidence)"
  163.  
  164.  
  165. "Microsoft": "Trojan:Win32/Fuerboos.D!cl"
  166.  
  167.  
  168. "AhnLab-V3": "Malware/Win32.RL_Generic.R284835"
  169.  
  170.  
  171. "Acronis": "suspicious"
  172.  
  173.  
  174. "Cylance": "Unsafe"
  175.  
  176.  
  177. "SentinelOne": "DFI - Suspicious PE"
  178.  
  179.  
  180. "MaxSecure": "Trojan.Malware.300983.susgen"
  181.  
  182.  
  183.  
  184.  
  185. "Description": "Creates a slightly modified copy of itself",
  186. "Details":
  187.  
  188. "file": "C:\\Users\\user\\AppData\\Roaming\\.bat"
  189.  
  190.  
  191. "percent_match": 100
  192.  
  193.  
  194.  
  195.  
  196. "Description": "Collects information to fingerprint the system",
  197. "Details":
  198.  
  199.  
  200. "Description": "Anomalous binary characteristics",
  201. "Details":
  202.  
  203. "anomaly": "Actual checksum does not match that reported in PE header"
  204.  
  205.  
  206.  
  207.  
  208.  
  209. * Started Service:
  210.  
  211. * Mutexes:
  212. "Global\\CLR_CASOFF_MUTEX",
  213. "Global\\f53508b1-a0ef-4b78-a93e-6eb85b6d6cf1",
  214. "Global\\.net clr networking"
  215.  
  216.  
  217. * Modified Files:
  218. "C:\\Users\\user\\AppData\\Roaming\\.bat",
  219. "C:\\Users\\Public\\dDfeukpLgo.vbs",
  220. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
  221. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  222.  
  223.  
  224. * Deleted Files:
  225. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  226. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
  227. "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier"
  228.  
  229.  
  230. * Modified Registry Keys:
  231. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\dDfeukpLgo",
  232. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  233.  
  234.  
  235. * Deleted Registry Keys:
  236.  
  237. * DNS Communications:
  238.  
  239. "type": "A",
  240. "request": "austine4.duckdns.org",
  241. "answers":
  242.  
  243. "data": "194.5.98.240",
  244. "type": "A"
  245.  
  246.  
  247.  
  248.  
  249.  
  250. * Domains:
  251.  
  252. "ip": "194.5.98.240",
  253. "domain": "austine4.duckdns.org"
  254.  
  255.  
  256.  
  257. * Network Communication - ICMP:
  258.  
  259. * Network Communication - HTTP:
  260.  
  261. * Network Communication - SMTP:
  262.  
  263. * Network Communication - Hosts:
  264.  
  265. * Network Communication - IRC:
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