General

  • Target

    JaffaCakes118_85bce2df61498d0626243f28202b9df9

  • Size

    1.1MB

  • Sample

    250322-dwyfsaw1hz

  • MD5

    85bce2df61498d0626243f28202b9df9

  • SHA1

    cdda8ae6c3901cf88ef42706c1f3ce38bf2e3679

  • SHA256

    a2cfdbda6ee309edf1c4e9d55316350a7a0a844471d9438b0892e08fc29cf453

  • SHA512

    255ef9e7e42e18a9f4bcd78958fe8e20103f779a2156fcf82820fe1041652c7ae7bea8819abd09ef4f7937beb63150930447e5dc10b9fa63fd0bf035a69dca7c

  • SSDEEP

    12288:PW/Bv17kMLTTTdfIX1y6hgpcKiaqb7MybKbeLSVNIYntkypxCJfFSzk+wDvCXP52:PkdshJMXiJo7jWy8a1VXiNhbnQ+

Malware Config

Extracted

Family

darkcomet

Botnet

ms-dos

C2

pourmoi.zapto.org:2000

pourmoi.zapto.org:200

pourmoi.zapto.org:1604

pourmoi.zapto.org:164

pourmoi.zapto.org:80

Mutex

DC_MUTEX-M5FD2QE

Attributes
  • gencode

    dS$=Gi/U7yGB

  • install

    false

  • offline_keylogger

    true

  • password

    da06101266

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_85bce2df61498d0626243f28202b9df9

    • Size

      1.1MB

    • MD5

      85bce2df61498d0626243f28202b9df9

    • SHA1

      cdda8ae6c3901cf88ef42706c1f3ce38bf2e3679

    • SHA256

      a2cfdbda6ee309edf1c4e9d55316350a7a0a844471d9438b0892e08fc29cf453

    • SHA512

      255ef9e7e42e18a9f4bcd78958fe8e20103f779a2156fcf82820fe1041652c7ae7bea8819abd09ef4f7937beb63150930447e5dc10b9fa63fd0bf035a69dca7c

    • SSDEEP

      12288:PW/Bv17kMLTTTdfIX1y6hgpcKiaqb7MybKbeLSVNIYntkypxCJfFSzk+wDvCXP52:PkdshJMXiJo7jWy8a1VXiNhbnQ+

    • Darkcomet

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

    • Darkcomet family

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks