General

  • Target

    JaffaCakes118_9528981b9645961b9ab5226cc515a878

  • Size

    350KB

  • Sample

    250329-ybkdmstse1

  • MD5

    9528981b9645961b9ab5226cc515a878

  • SHA1

    e257b655f7c3be6ab0fe0b91d93443b2bef1c60a

  • SHA256

    f21694742da2eabb6a88204cc4309c459512068ea3a08b461a2bfa8ee06180dd

  • SHA512

    2f6876fcd64821a16fc2389bf3af8f351bca258bd3519c3022ddd564752c0ac57aa2d369a9ab783297278c4518fc2680f4ee62d8fb0558979f292001d37cf0ce

  • SSDEEP

    6144:AD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZgI5LLTMdWn8:Al8E4w5huat7UovONzbXwsIdMd0QZh9u

Malware Config

Extracted

Family

darkcomet

Botnet

First

C2

99.99.166.46:3085

Mutex

asdfasdfasdfasd

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    FUBZ8Usf5cqc

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_9528981b9645961b9ab5226cc515a878

    • Size

      350KB

    • MD5

      9528981b9645961b9ab5226cc515a878

    • SHA1

      e257b655f7c3be6ab0fe0b91d93443b2bef1c60a

    • SHA256

      f21694742da2eabb6a88204cc4309c459512068ea3a08b461a2bfa8ee06180dd

    • SHA512

      2f6876fcd64821a16fc2389bf3af8f351bca258bd3519c3022ddd564752c0ac57aa2d369a9ab783297278c4518fc2680f4ee62d8fb0558979f292001d37cf0ce

    • SSDEEP

      6144:AD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZgI5LLTMdWn8:Al8E4w5huat7UovONzbXwsIdMd0QZh9u

    • 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.

    • Executes dropped EXE

    • Adds Run key to start application

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks