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nanocore_Setup_bat_2019-08-21_11_40.txt

paladin316
Aug 21st, 2019
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  1.  
  2. * MalFamily: "Nanocore"
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "Setup.bat"
  7. * File Size: 1135132
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "54661971774d4803f7069db5c0085e611795fb77a5da5ee26ccc7faf8d11978e"
  10. * MD5: "3a9e5f674cb5759181fc2945ed7b3a55"
  11. * SHA1: "ae12be98f012b19a4637ec83ff0678b80faa4099"
  12. * SHA512: "d96de51e98297c40ee78f0d3a8de6cc9078cf2b17d76a79637b2592d64771bb747f4786097726cdc6daaee0f007eaad47016a14eb932847c6b73befb0057462b"
  13. * CRC32: "8A191B8B"
  14. * SSDEEP: "24576:vAHnh+eWsN3skA4RV1Hom2KXMmHaiBDTJpqDIg+DCBf5:Sh+ZkldoPK8YaipdoIgIU"
  15.  
  16. * Process Execution:
  17. "Setup.bat",
  18. "RegSvcs.exe"
  19.  
  20.  
  21. * Executed Commands:
  22.  
  23. * Signatures Detected:
  24.  
  25. "Description": "Attempts to connect to a dead IP:Port (2 unique times)",
  26. "Details":
  27.  
  28. "IP": "0.0.0.0:6388"
  29.  
  30.  
  31. "IP": "185.247.228.145:6388"
  32.  
  33.  
  34.  
  35.  
  36. "Description": "Creates RWX memory",
  37. "Details":
  38.  
  39.  
  40. "Description": "A process attempted to delay the analysis task.",
  41. "Details":
  42.  
  43. "Process": "RegSvcs.exe tried to sleep 674 seconds, actually delayed analysis time by 0 seconds"
  44.  
  45.  
  46.  
  47.  
  48. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  49. "Details":
  50.  
  51. "ioc": "v2.0.50727"
  52.  
  53.  
  54.  
  55.  
  56. "Description": "Expresses interest in specific running processes",
  57. "Details":
  58.  
  59. "process": "RegSvcs.exe"
  60.  
  61.  
  62. "process": "services.exe"
  63.  
  64.  
  65.  
  66.  
  67. "Description": "Reads data out of its own binary image",
  68. "Details":
  69.  
  70. "self_read": "process: Setup.bat, pid: 1376, offset: 0x00000000, length: 0x0011521c"
  71.  
  72.  
  73. "self_read": "process: RegSvcs.exe, pid: 1768, offset: 0x00000000, length: 0x00001000"
  74.  
  75.  
  76. "self_read": "process: RegSvcs.exe, pid: 1768, offset: 0x00000080, length: 0x00000200"
  77.  
  78.  
  79. "self_read": "process: RegSvcs.exe, pid: 1768, offset: 0x00000178, length: 0x00000200"
  80.  
  81.  
  82. "self_read": "process: RegSvcs.exe, pid: 1768, offset: 0x00005b20, length: 0x00000200"
  83.  
  84.  
  85. "self_read": "process: RegSvcs.exe, pid: 1768, offset: 0x00005b3c, length: 0x00000200"
  86.  
  87.  
  88.  
  89.  
  90. "Description": "The binary likely contains encrypted or compressed data.",
  91. "Details":
  92.  
  93. "section": "name: .rsrc, entropy: 7.85, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x0004ac00, virtual_size: 0x0004aa60"
  94.  
  95.  
  96.  
  97.  
  98. "Description": "Executed a process and injected code into it, probably while unpacking",
  99. "Details":
  100.  
  101. "Injection": "Setup.bat(1376) -> RegSvcs.exe(1768)"
  102.  
  103.  
  104.  
  105.  
  106. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  107. "Details":
  108.  
  109. "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegSvcs.exe:Zone.Identifier"
  110.  
  111.  
  112.  
  113.  
  114. "Description": "Installs itself for autorun at Windows startup",
  115. "Details":
  116.  
  117. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\DNqAlTOYto"
  118.  
  119.  
  120. "data": "C:\\Users\\Public\\DNqAlTOYto.vbs"
  121.  
  122.  
  123.  
  124.  
  125. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  126. "Details":
  127.  
  128.  
  129. "Description": "Clamav Hits in Target/Dropped/SuriExtracted",
  130. "Details":
  131.  
  132. "target": "clamav:Win.Malware.Autoit-7057082-0, sha256:54661971774d4803f7069db5c0085e611795fb77a5da5ee26ccc7faf8d11978e, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  133.  
  134.  
  135. "dropped": "clamav:Win.Malware.Autoit-7057082-0, sha256:1b6c642a9304dbbac81beb3a457149f29b14d4d29c67abf90a620c9c06dcb178 , guest_paths:C:\\Users\\user\\mobsync\\Setup.bat, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  136.  
  137.  
  138.  
  139.  
  140. "Description": "Creates a slightly modified copy of itself",
  141. "Details":
  142.  
  143. "file": "C:\\Users\\user\\mobsync\\Setup.bat"
  144.  
  145.  
  146. "percent_match": 100
  147.  
  148.  
  149.  
  150.  
  151. "Description": "Collects information to fingerprint the system",
  152. "Details":
  153.  
  154.  
  155. "Description": "Anomalous binary characteristics",
  156. "Details":
  157.  
  158. "anomaly": "Actual checksum does not match that reported in PE header"
  159.  
  160.  
  161.  
  162.  
  163.  
  164. * Started Service:
  165.  
  166. * Mutexes:
  167. "Global\\CLR_PerfMon_WrapMutex",
  168. "Global\\CLR_CASOFF_MUTEX",
  169. "Global\\213402cd-10cd-429f-92a0-5ee3fe1995f0",
  170. "Global\\.net clr networking"
  171.  
  172.  
  173. * Modified Files:
  174. "C:\\Users\\user\\mobsync\\Setup.bat",
  175. "C:\\Users\\Public\\DNqAlTOYto.vbs",
  176. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat"
  177.  
  178.  
  179. * Deleted Files:
  180. "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegSvcs.exe:Zone.Identifier"
  181.  
  182.  
  183. * Modified Registry Keys:
  184. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\DNqAlTOYto"
  185.  
  186.  
  187. * Deleted Registry Keys:
  188.  
  189. * DNS Communications:
  190.  
  191. "type": "A",
  192. "request": "updated01.ddns.net",
  193. "answers":
  194.  
  195. "data": "0.0.0.0",
  196. "type": "A"
  197.  
  198.  
  199.  
  200.  
  201.  
  202. * Domains:
  203.  
  204. "ip": "0.0.0.0",
  205. "domain": "updated01.ddns.net"
  206.  
  207.  
  208.  
  209. * Network Communication - ICMP:
  210.  
  211. * Network Communication - HTTP:
  212.  
  213. * Network Communication - SMTP:
  214.  
  215. * Network Communication - Hosts:
  216.  
  217. * Network Communication - IRC:
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