General

  • Target

    1853e7c8b1b062e5f38559ba957bd6ff_JaffaCakes118

  • Size

    756KB

  • Sample

    241006-q1vxns1elh

  • MD5

    1853e7c8b1b062e5f38559ba957bd6ff

  • SHA1

    b5a07baa516c646ccb389eb4219feae21b118c6e

  • SHA256

    a50b6193e2bdda6bf35018e9e05ff520181228be00f975d3d69282bf945bad93

  • SHA512

    8d12c94210c6ca6079c14a071815343441d300595657c2e71146c62feea5f73b6d823a0630f2e16043c4c618b056072fed695c94f1f7694b5326ed567bd31d1b

  • SSDEEP

    12288:69HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hfh:2Z1xuVVjfFoynPaVBUR8f+kN10EBlh

Malware Config

Extracted

Family

darkcomet

Botnet

Kurban

C2

myd.servemp3.com:81

Mutex

DC_MUTEX-68WDUQN

Attributes
  • InstallPath

    Csrss\Csrss.exe

  • gencode

    qJ7zKmGtRf8L

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Csrss

Targets

    • Target

      1853e7c8b1b062e5f38559ba957bd6ff_JaffaCakes118

    • Size

      756KB

    • MD5

      1853e7c8b1b062e5f38559ba957bd6ff

    • SHA1

      b5a07baa516c646ccb389eb4219feae21b118c6e

    • SHA256

      a50b6193e2bdda6bf35018e9e05ff520181228be00f975d3d69282bf945bad93

    • SHA512

      8d12c94210c6ca6079c14a071815343441d300595657c2e71146c62feea5f73b6d823a0630f2e16043c4c618b056072fed695c94f1f7694b5326ed567bd31d1b

    • SSDEEP

      12288:69HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hfh:2Z1xuVVjfFoynPaVBUR8f+kN10EBlh

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks