Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

General

  • Target

    4819ac7420498073e2f939de3bdcf120_JaffaCakes118

  • Size

    692KB

  • Sample

    240715-ee36dawhlk

  • MD5

    4819ac7420498073e2f939de3bdcf120

  • SHA1

    bd1a83e2b4987bee30a0f14cbaf685b26821d4e7

  • SHA256

    718208741ba5d91b828e357adeb9622f9710c0d422f14846fce044c43adbfbf3

  • SHA512

    ce1c2d4693a62bf8e832479c355caa4c79b38c6682a966390938bde724e5980ac87b7c081dc76809bd8f2d63ef3fa995f889b039c12c653ca9e0286cf27f8148

  • SSDEEP

    12288:cXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452US:KnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JC

Malware Config

Extracted

Family

darkcomet

Botnet

12

C2

tomcol.no-ip.info:1604

Mutex

DC_MUTEX-FWUB5XJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    u84K4144AzcZ

  • install

    true

  • offline_keylogger

    true

  • password

    tomcol

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      4819ac7420498073e2f939de3bdcf120_JaffaCakes118

    • Size

      692KB

    • MD5

      4819ac7420498073e2f939de3bdcf120

    • SHA1

      bd1a83e2b4987bee30a0f14cbaf685b26821d4e7

    • SHA256

      718208741ba5d91b828e357adeb9622f9710c0d422f14846fce044c43adbfbf3

    • SHA512

      ce1c2d4693a62bf8e832479c355caa4c79b38c6682a966390938bde724e5980ac87b7c081dc76809bd8f2d63ef3fa995f889b039c12c653ca9e0286cf27f8148

    • SSDEEP

      12288:cXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452US:KnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JC

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks