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General

  • Target

    JaffaCakes118_832619868d13460e2eeb2c66faa414af

  • Size

    798KB

  • Sample

    250321-n9yzks1rt8

  • MD5

    832619868d13460e2eeb2c66faa414af

  • SHA1

    4a8070c5b9afeb8b3847e83cbcec853b8c3ce0a5

  • SHA256

    44f187a4a6e8ef33b6134e65e3a281296d7abbb1b07937f825588d5c54349cd5

  • SHA512

    65c48b9ea134157442e1b338e49e1bb3366d460dc4658536aefb156738b8a2f11f2c6ef543b855394debbd0313686b07814390ec0d8c100e56968c1f7d4b867a

  • SSDEEP

    24576:/FSCqW6666666ZVtJJi6pnYWRl0CO66aJMDb:z6666666ZVtJJi6pnYQ7fJyb

Malware Config

Extracted

Family

darkcomet

Botnet

New Victim

C2

1zkiller.no-ip.org:1615

Mutex

DCMIN_MUTEX-3FWL7WF

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    Q5Fr9tPhokNo

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    iDeactivater

rc4.plain

Targets

    • Target

      JaffaCakes118_832619868d13460e2eeb2c66faa414af

    • Size

      798KB

    • MD5

      832619868d13460e2eeb2c66faa414af

    • SHA1

      4a8070c5b9afeb8b3847e83cbcec853b8c3ce0a5

    • SHA256

      44f187a4a6e8ef33b6134e65e3a281296d7abbb1b07937f825588d5c54349cd5

    • SHA512

      65c48b9ea134157442e1b338e49e1bb3366d460dc4658536aefb156738b8a2f11f2c6ef543b855394debbd0313686b07814390ec0d8c100e56968c1f7d4b867a

    • SSDEEP

      24576:/FSCqW6666666ZVtJJi6pnYWRl0CO66aJMDb:z6666666ZVtJJi6pnYQ7fJyb

    • 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

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks