General

  • Target

    JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba

  • Size

    668KB

  • Sample

    250228-d8r5ja1kv6

  • MD5

    315aca4b6d1a204e78df914bf7e588ba

  • SHA1

    5211436ba2464ab3482aef7bc921f26246b1182c

  • SHA256

    de2f0931ac8324a64e41caf6ba7cc63e46cb30853725194668aed67bd4eaff23

  • SHA512

    769c263bed2c7df8ebbdcf8d312290c645859454437ab6a9aa24a07836dc1ac6dc45d74238664f479bb115b28d327113cbe8fa705d5c28b6be452c9f984fa92b

  • SSDEEP

    12288:31dHwD+vgEphGYMg1lYPkoBJKrK3o4OYaHPP88oCqpvw9I:3cDgbMg1lYPSrK44OTHgOI

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-8GJ9SUE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    9pxt74fEhlHv

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba

    • Size

      668KB

    • MD5

      315aca4b6d1a204e78df914bf7e588ba

    • SHA1

      5211436ba2464ab3482aef7bc921f26246b1182c

    • SHA256

      de2f0931ac8324a64e41caf6ba7cc63e46cb30853725194668aed67bd4eaff23

    • SHA512

      769c263bed2c7df8ebbdcf8d312290c645859454437ab6a9aa24a07836dc1ac6dc45d74238664f479bb115b28d327113cbe8fa705d5c28b6be452c9f984fa92b

    • SSDEEP

      12288:31dHwD+vgEphGYMg1lYPkoBJKrK3o4OYaHPP88oCqpvw9I:3cDgbMg1lYPSrK44OTHgOI

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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