General

  • Target

    b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118

  • Size

    1.2MB

  • Sample

    241202-bnm9qs1rct

  • MD5

    b613e758e631fcee1d431b5e26f3a87f

  • SHA1

    10cb86a97152318ec62341aa35150c2ef9bff2ae

  • SHA256

    f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8

  • SHA512

    559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df

  • SSDEEP

    24576:D1r3ZH1QqTA/ZcaNcJKi0ZcmBIT++QKe+6XP:D1ENm+cmUuL

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

yahoomessenger.myvnc.com:27015

Mutex

DC_MUTEX-GXCCBRG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    3lXcKivkNMZ6

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118

    • Size

      1.2MB

    • MD5

      b613e758e631fcee1d431b5e26f3a87f

    • SHA1

      10cb86a97152318ec62341aa35150c2ef9bff2ae

    • SHA256

      f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8

    • SHA512

      559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df

    • SSDEEP

      24576:D1r3ZH1QqTA/ZcaNcJKi0ZcmBIT++QKe+6XP:D1ENm+cmUuL

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks