General

  • Target

    JaffaCakes118_00abdc488cc96e55dbaeb612f0daf259

  • Size

    709KB

  • Sample

    250218-tksn6avls8

  • MD5

    00abdc488cc96e55dbaeb612f0daf259

  • SHA1

    ff79f1b780454ef48cc7c6357ef400c6b710eed9

  • SHA256

    59abfb3dc2750ecb19cf13cc6b444faef555fe9765f5e7351365f3975c82c645

  • SHA512

    41484904ac2bf1dac7ae2db4a98e86a3962cd1af801caf05680342d07d2ad74fa62b72e0ea3a2ea51067193c50f8b88c1a3d04058df9b710e1173ad15a5162bd

  • SSDEEP

    12288:PoSef2t55VV6im3OWFQ1047B9GUd+u/6N40aozt/4ZwyZibQASvezQMDhKIhBoRZ:Po1Ot/VV6XeWF5yJ6S0aq/k6QASMtKds

Malware Config

Extracted

Family

darkcomet

Botnet

Windows_Update

C2

10.111.222.17:1604

Mutex

DC_MUTEX-X1KZAQN

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    gv4NjPEMp�iq

  • install

    true

  • offline_keylogger

    true

  • password

    0123456789

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_00abdc488cc96e55dbaeb612f0daf259

    • Size

      709KB

    • MD5

      00abdc488cc96e55dbaeb612f0daf259

    • SHA1

      ff79f1b780454ef48cc7c6357ef400c6b710eed9

    • SHA256

      59abfb3dc2750ecb19cf13cc6b444faef555fe9765f5e7351365f3975c82c645

    • SHA512

      41484904ac2bf1dac7ae2db4a98e86a3962cd1af801caf05680342d07d2ad74fa62b72e0ea3a2ea51067193c50f8b88c1a3d04058df9b710e1173ad15a5162bd

    • SSDEEP

      12288:PoSef2t55VV6im3OWFQ1047B9GUd+u/6N40aozt/4ZwyZibQASvezQMDhKIhBoRZ:Po1Ot/VV6XeWF5yJ6S0aq/k6QASMtKds

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks