General

  • Target

    JaffaCakes118_6cf8a0eb629274855c5d9cc835b63100

  • Size

    732KB

  • Sample

    250103-qrgzfswmdz

  • MD5

    6cf8a0eb629274855c5d9cc835b63100

  • SHA1

    516425f5d7bc9efb9c474d590d2f8829ac6ab8ad

  • SHA256

    bdab0a13436bc6f68b636846cce096d536c9a1ef9484fc56610445cd635a124d

  • SHA512

    01a4088bc5fbc205401cc12772fd9b76f1724725a7fc73cc03532b2f77994db7247661610e1ef25e5d5f2a1ee59d26518fc2079f487a8923ef8552aa03b47339

  • SSDEEP

    12288:KYALrNF5J0QUoTyq5EVmIGRvZ7n8DhvAUCi61z8rITclHwuaV9QljPXax77:VQUZq5EMRNnqyiQ8rITcxwua4j/aV7

Malware Config

Extracted

Family

darkcomet

Botnet

rj12

C2

rj12.no-ip.org:83

Mutex

DC_MUTEX-UJ053AT

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    0UacqjMnCbw4

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_6cf8a0eb629274855c5d9cc835b63100

    • Size

      732KB

    • MD5

      6cf8a0eb629274855c5d9cc835b63100

    • SHA1

      516425f5d7bc9efb9c474d590d2f8829ac6ab8ad

    • SHA256

      bdab0a13436bc6f68b636846cce096d536c9a1ef9484fc56610445cd635a124d

    • SHA512

      01a4088bc5fbc205401cc12772fd9b76f1724725a7fc73cc03532b2f77994db7247661610e1ef25e5d5f2a1ee59d26518fc2079f487a8923ef8552aa03b47339

    • SSDEEP

      12288:KYALrNF5J0QUoTyq5EVmIGRvZ7n8DhvAUCi61z8rITclHwuaV9QljPXax77:VQUZq5EMRNnqyiQ8rITcxwua4j/aV7

    • 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

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks