General

  • Target

    JaffaCakes118_49e4e29987e81cea2e2f90eec8e17de1

  • Size

    410KB

  • Sample

    250303-31myaatmw2

  • MD5

    49e4e29987e81cea2e2f90eec8e17de1

  • SHA1

    3f16da7a98d6245503edda5b97bebcf0edddb7c4

  • SHA256

    602bbd6dee51962c172dd4dd9232e7c938c0fb179f6f47e39cd1d690034261b1

  • SHA512

    1f7d9b6e93c0bb6f8c959748d04615d68c206d8182dded71e0bf3c582cee38aad78e82794091d9a8c192071bc8e893b125b7c76fd1fef3e2381d7657bc2a8934

  • SSDEEP

    12288:gtWJv8XWuSasGD54IAi4fVtUOGPJb4szVCk3:hF8XDAGD7HcVwFzzkC

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

xpperfect.zapto.org:1604

Mutex

DC_MUTEX-YMWY81W

Attributes
  • InstallPath

    Dosya\Server.exe

  • gencode

    tQ0f#jGg$N/u

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Server

rc4.plain

Targets

    • Target

      JaffaCakes118_49e4e29987e81cea2e2f90eec8e17de1

    • Size

      410KB

    • MD5

      49e4e29987e81cea2e2f90eec8e17de1

    • SHA1

      3f16da7a98d6245503edda5b97bebcf0edddb7c4

    • SHA256

      602bbd6dee51962c172dd4dd9232e7c938c0fb179f6f47e39cd1d690034261b1

    • SHA512

      1f7d9b6e93c0bb6f8c959748d04615d68c206d8182dded71e0bf3c582cee38aad78e82794091d9a8c192071bc8e893b125b7c76fd1fef3e2381d7657bc2a8934

    • SSDEEP

      12288:gtWJv8XWuSasGD54IAi4fVtUOGPJb4szVCk3:hF8XDAGD7HcVwFzzkC

    • 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

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks