General

  • Target

    JaffaCakes118_bea31be31b89909987683c88643b502d

  • Size

    723KB

  • Sample

    250418-srpemsw1az

  • MD5

    bea31be31b89909987683c88643b502d

  • SHA1

    165c1b997918cd504e9f92a28e2c45a0cea55c29

  • SHA256

    bd76dfec25932ec66a7a479c7f595eeb5b46d9dbc0a737c569c404cde5f399a4

  • SHA512

    f408520f56f8a9a871d6e4790290c14abc61fd6c4f16823cc138586ed8c2a42115248ef65dd4d168e7330cf114d81eb66ac30aa4f6becf05871877c2f4e58cb3

  • SSDEEP

    12288:gFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJy:Q3nbWmJVJFwSddIXvfhqbiaxvRxq9I

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

molest.bounceme.net:700

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    JlZ9il58mTDg

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_bea31be31b89909987683c88643b502d

    • Size

      723KB

    • MD5

      bea31be31b89909987683c88643b502d

    • SHA1

      165c1b997918cd504e9f92a28e2c45a0cea55c29

    • SHA256

      bd76dfec25932ec66a7a479c7f595eeb5b46d9dbc0a737c569c404cde5f399a4

    • SHA512

      f408520f56f8a9a871d6e4790290c14abc61fd6c4f16823cc138586ed8c2a42115248ef65dd4d168e7330cf114d81eb66ac30aa4f6becf05871877c2f4e58cb3

    • SSDEEP

      12288:gFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJy:Q3nbWmJVJFwSddIXvfhqbiaxvRxq9I

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks