Extracted

• • Target

    JaffaCakes118_f0e5ed93d10a45df5ef2805468a1092f

  • Size

    4.3MB

  • MD5

    f0e5ed93d10a45df5ef2805468a1092f

  • SHA1

    d831431314316e474cd76dc2c9e9c23fed2e006b

  • SHA256

    3b9d489a5d83a68aa03d38a896f79ec455ba5ff16caf5bea0aa04ff846d4b421

  • SHA512

    367dfbe9354195d2a068127e5eeed07483a9aa7ab33dbc6126af43b6ab885dc7a1d02ffb8198c1fa6ebcb88ed4d2b8e32546ddd2e10d4e05a380888d41a3ba86

  • SSDEEP

    98304:AH4rWqBFXasqdAYPhZSLBfPz+msa2xL2AKNuj5QcJ9a:AYVBFAA8vSlfr+vxbKaXJ

  Score

  10^/10

  darkcometloader 2012.01defense_evasiondiscoveryexploitpersistencerattrojanupx

  • Darkcomet

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

    trojanratdarkcomet

  • Darkcomet family

    darkcomet

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    defense_evasion

  • Downloads MZ/PE file

  • Possible privilege escalation attempt

    exploit

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file

  • Executes dropped EXE

  • Identifies Wine through registry keys

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    defense_evasion

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  • UPX packed file

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

    upx
  behavioral1behavioral2