General

  • Target

    JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7

  • Size

    284KB

  • Sample

    250414-pv673sxjw6

  • MD5

    b7c5f990db52ac75ce2a35d90fc2a6c7

  • SHA1

    44ad60efe1e65a5050247c5dbb2909711a968a71

  • SHA256

    9fb59f8cfcb48061a4aeac19e4e53c406014d39e75f1682a37358e8e80ff9914

  • SHA512

    7609f991b1219f9065d449f9e990203948d0f4f1f9ace310f43aaa33559c021127d717648e1671d5b02ea4e860757571a8f90b3210116f9c92aa46e53a23e2c8

  • SSDEEP

    6144:rD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZLctl:rl8E4w5huat7UovONzbXwnel

Malware Config

Extracted

Family

darkcomet

Botnet

TEST

C2

jamesonb.no-ip.biz:1604

Mutex

DC_MUTEX-9VHT05G

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    XjfYLBiL07yM

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_b7c5f990db52ac75ce2a35d90fc2a6c7

    • Size

      284KB

    • MD5

      b7c5f990db52ac75ce2a35d90fc2a6c7

    • SHA1

      44ad60efe1e65a5050247c5dbb2909711a968a71

    • SHA256

      9fb59f8cfcb48061a4aeac19e4e53c406014d39e75f1682a37358e8e80ff9914

    • SHA512

      7609f991b1219f9065d449f9e990203948d0f4f1f9ace310f43aaa33559c021127d717648e1671d5b02ea4e860757571a8f90b3210116f9c92aa46e53a23e2c8

    • SSDEEP

      6144:rD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZLctl:rl8E4w5huat7UovONzbXwnel

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • 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 v16

Tasks