General

  • Target

    b8b8d03a76d2958751fb424687274111_JaffaCakes118

  • Size

    284KB

  • Sample

    240822-xedjtssbjc

  • MD5

    b8b8d03a76d2958751fb424687274111

  • SHA1

    c173daff1d63b0fa6d0197274f36e4873641b18e

  • SHA256

    b318e5a667e00640834bb2838ecafff4f4675f70353a316a18b8a977f5b16ede

  • SHA512

    b28fe05e20356d3c363e7d0f939cbde56621436870d1bdf5a40a1e2f3d8a6ab25bb7d54c13b2aebb0212008fc7da3d2bba13f10980c4992b3831f76a85744897

  • SSDEEP

    6144:zD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZLC:zl8E4w5huat7UovONzbXwnC

Malware Config

Extracted

Family

darkcomet

Botnet

WindowsUpdate

C2

darkcomet30.zapto.org:1604

Mutex

DC_MUTEX-HWJ5RPM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    u8WfmXdmtQFA

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Extracted

Family

latentbot

C2

darkcomet30.zapto.org

Targets

    • Target

      b8b8d03a76d2958751fb424687274111_JaffaCakes118

    • Size

      284KB

    • MD5

      b8b8d03a76d2958751fb424687274111

    • SHA1

      c173daff1d63b0fa6d0197274f36e4873641b18e

    • SHA256

      b318e5a667e00640834bb2838ecafff4f4675f70353a316a18b8a977f5b16ede

    • SHA512

      b28fe05e20356d3c363e7d0f939cbde56621436870d1bdf5a40a1e2f3d8a6ab25bb7d54c13b2aebb0212008fc7da3d2bba13f10980c4992b3831f76a85744897

    • SSDEEP

      6144:zD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZLC:zl8E4w5huat7UovONzbXwnC

    • Darkcomet

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

    • LatentBot

      Modular trojan written in Delphi which has been in-the-wild since 2013.

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks