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NanoCore_ea0c2037c2fe52eaf9ccafcbcba24521_exe_2019-07-09_08_30.txt

paladin316
Jul 9th, 2019
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  1.  
  2. * MalFamily: "Nanocore"
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "NanoCore_ea0c2037c2fe52eaf9ccafcbcba24521.exe"
  7. * File Size: 1358336
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "2013cd774bb4e624d2eef98e8abab5c3b98eb10db74e0c2e3f9365e35b1664f2"
  10. * MD5: "ea0c2037c2fe52eaf9ccafcbcba24521"
  11. * SHA1: "9b9f2f19059fc4f07ed9e59800543b351389aa69"
  12. * SHA512: "d0cbf5210b12364c8413628150ad543da9a4caa6213fc9d68cd25fc9fc98e556745de692b8b927f06347c50fb8ce8d3e9c76a962419e4550ac73ca90cd43cba5"
  13. * CRC32: "761A7FCF"
  14. * SSDEEP: "24576:RAHnh+eWsN3skA4RV1Hom2KXMmHa7pJSrfGEL2FiYBUh7WwbgcFgpBv3ObR5:oh+ZkldoPK8Yaj2flSQYeowbgcF+ha"
  15.  
  16. * Process Execution:
  17. "NanoCore_ea0c2037c2fe52eaf9ccafcbcba24521.exe",
  18. "RegSvcs.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": "105.112.112.147:4050"
  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": "RegSvcs.exe tried to sleep 1049 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": "RegSvcs.exe"
  57.  
  58.  
  59. "process": "taskhost.exe"
  60.  
  61.  
  62.  
  63.  
  64. "Description": "Reads data out of its own binary image",
  65. "Details":
  66.  
  67. "self_read": "process: NanoCore_ea0c2037c2fe52eaf9ccafcbcba24521.exe, pid: 1212, offset: 0x00000000, length: 0x0014ba00"
  68.  
  69.  
  70. "self_read": "process: RegSvcs.exe, pid: 1852, offset: 0x00000000, length: 0x00001000"
  71.  
  72.  
  73. "self_read": "process: RegSvcs.exe, pid: 1852, offset: 0x00000080, length: 0x00000200"
  74.  
  75.  
  76. "self_read": "process: RegSvcs.exe, pid: 1852, offset: 0x00000178, length: 0x00000200"
  77.  
  78.  
  79. "self_read": "process: RegSvcs.exe, pid: 1852, offset: 0x00005b20, length: 0x00000200"
  80.  
  81.  
  82. "self_read": "process: RegSvcs.exe, pid: 1852, offset: 0x00005b3c, length: 0x00000200"
  83.  
  84.  
  85.  
  86.  
  87. "Description": "The binary likely contains encrypted or compressed data.",
  88. "Details":
  89.  
  90. "section": "name: .rsrc, entropy: 7.98, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00081400, virtual_size: 0x000812f0"
  91.  
  92.  
  93.  
  94.  
  95. "Description": "Executed a process and injected code into it, probably while unpacking",
  96. "Details":
  97.  
  98. "Injection": "NanoCore_ea0c2037c2fe52eaf9ccafcbcba24521.exe(1212) -> RegSvcs.exe(1852)"
  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\\RegSvcs.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\\xZkSfhmTxF"
  115.  
  116.  
  117. "data": "C:\\Users\\Public\\xZkSfhmTxF.vbs"
  118.  
  119.  
  120.  
  121.  
  122. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  123. "Details":
  124.  
  125.  
  126. "Description": "Creates a slightly modified copy of itself",
  127. "Details":
  128.  
  129. "file": "C:\\Users\\user\\wydad\\vcasehdndbnseb.bat"
  130.  
  131.  
  132. "percent_match": 100
  133.  
  134.  
  135.  
  136.  
  137. "Description": "Collects information to fingerprint the system",
  138. "Details":
  139.  
  140.  
  141. "Description": "Anomalous binary characteristics",
  142. "Details":
  143.  
  144. "anomaly": "Actual checksum does not match that reported in PE header"
  145.  
  146.  
  147.  
  148.  
  149.  
  150. * Started Service:
  151.  
  152. * Mutexes:
  153. "Global\\CLR_CASOFF_MUTEX",
  154. "Global\\ecac1d7e-2472-4cb7-8a53-5edc056d89c6",
  155. "Global\\.net clr networking"
  156.  
  157.  
  158. * Modified Files:
  159. "C:\\Users\\user\\wydad\\vcasehdndbnseb.bat",
  160. "C:\\Users\\Public\\xZkSfhmTxF.vbs",
  161. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat"
  162.  
  163.  
  164. * Deleted Files:
  165. "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegSvcs.exe:Zone.Identifier"
  166.  
  167.  
  168. * Modified Registry Keys:
  169. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\xZkSfhmTxF"
  170.  
  171.  
  172. * Deleted Registry Keys:
  173.  
  174. * DNS Communications:
  175.  
  176. "type": "A",
  177. "request": "light01.ddns.net",
  178. "answers":
  179.  
  180. "data": "105.112.112.147",
  181. "type": "A"
  182.  
  183.  
  184.  
  185.  
  186.  
  187. * Domains:
  188.  
  189. "ip": "105.112.112.147",
  190. "domain": "light01.ddns.net"
  191.  
  192.  
  193.  
  194. * Network Communication - ICMP:
  195.  
  196. * Network Communication - HTTP:
  197.  
  198. * Network Communication - SMTP:
  199.  
  200. * Network Communication - Hosts:
  201.  
  202. * Network Communication - IRC:
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