General

  • Target

    fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118

  • Size

    758KB

  • Sample

    241218-x4994aynft

  • MD5

    fcd050d24c326e9e50b3cdccd08dda2a

  • SHA1

    dfeff196f7394f036fc081b96bba2cd0b3f23e6e

  • SHA256

    daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d

  • SHA512

    c49685573489e50a5ecac7f86e09c9cd83d42a53c2fb3793f3b60af5cad661cb4ee850df6927bd2410933a18269b6f0029560d94bed91fcda8f3a27e2a53439b

  • SSDEEP

    12288:CXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U3:snAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jn

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

130.193.132.148:1604

Mutex

DC_MUTEX-E5SXSBX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    CsuuJMHztt7z

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118

    • Size

      758KB

    • MD5

      fcd050d24c326e9e50b3cdccd08dda2a

    • SHA1

      dfeff196f7394f036fc081b96bba2cd0b3f23e6e

    • SHA256

      daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d

    • SHA512

      c49685573489e50a5ecac7f86e09c9cd83d42a53c2fb3793f3b60af5cad661cb4ee850df6927bd2410933a18269b6f0029560d94bed91fcda8f3a27e2a53439b

    • SSDEEP

      12288:CXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U3:snAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jn

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Windows security bypass

    • Disables RegEdit via registry modification

    • 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

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks