General

  • Target

    JaffaCakes118_9892c710163857c56c6c20a77d182946

  • Size

    3.6MB

  • Sample

    250330-m1dfvazkv2

  • MD5

    9892c710163857c56c6c20a77d182946

  • SHA1

    9e28e136e1727f5760778daf06a3504c60f57348

  • SHA256

    16689c4d5d19e3be72397bad11d60ea362eb53ec3d5ad82b55ef4a12ed7f5075

  • SHA512

    d81252cac511a6370b9d9285d32cb270cad7f3fa90850af3830c77801ca9b3952bee2b24226089533bd780ff61c0205f8e38700f5b6dad9c3956f75285c2c1ab

  • SSDEEP

    24576:xwy3aExtF6b2be4TEwU6o0Slo9RYMISjpyLzie7TBysHTMo80iOlLPs:ZPez6oSYTp4

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

207.47.155.23:1604

Mutex

DC_MUTEX-VNQP02R

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gpB6MQA3XWFB

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_9892c710163857c56c6c20a77d182946

    • Size

      3.6MB

    • MD5

      9892c710163857c56c6c20a77d182946

    • SHA1

      9e28e136e1727f5760778daf06a3504c60f57348

    • SHA256

      16689c4d5d19e3be72397bad11d60ea362eb53ec3d5ad82b55ef4a12ed7f5075

    • SHA512

      d81252cac511a6370b9d9285d32cb270cad7f3fa90850af3830c77801ca9b3952bee2b24226089533bd780ff61c0205f8e38700f5b6dad9c3956f75285c2c1ab

    • SSDEEP

      24576:xwy3aExtF6b2be4TEwU6o0Slo9RYMISjpyLzie7TBysHTMo80iOlLPs:ZPez6oSYTp4

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks