General

  • Target

    72212799efeb70dac8ed957e6503616b_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240726-b8c99ssamc

  • MD5

    72212799efeb70dac8ed957e6503616b

  • SHA1

    e7fd90088f8060c157bb2aa6766726fd7d0d9948

  • SHA256

    48d1664bc3d660296658ef0748961a585492f28d03804fa4f18720cf1476378b

  • SHA512

    0cdf354752ebd511b7e04f0fdc98eac4027de5be54e9f8754535827a1f2c81abd005b9f7f6c071912113c1515dc101f84080c87250f21b780d7945b3b48bed39

  • SSDEEP

    24576:BSGvv3I+gyV4tq1KBTVuArGrWuRrv9SuhXgu+ex0Rst5pzveyeNA:BSS5bETV3rMWmz9hWRwpiS

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

yahoomessenger.myvnc.com:1604

Mutex

DC_MUTEX-5E877ZT

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    1Rs02FyAuq15

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      72212799efeb70dac8ed957e6503616b_JaffaCakes118

    • Size

      1.2MB

    • MD5

      72212799efeb70dac8ed957e6503616b

    • SHA1

      e7fd90088f8060c157bb2aa6766726fd7d0d9948

    • SHA256

      48d1664bc3d660296658ef0748961a585492f28d03804fa4f18720cf1476378b

    • SHA512

      0cdf354752ebd511b7e04f0fdc98eac4027de5be54e9f8754535827a1f2c81abd005b9f7f6c071912113c1515dc101f84080c87250f21b780d7945b3b48bed39

    • SSDEEP

      24576:BSGvv3I+gyV4tq1KBTVuArGrWuRrv9SuhXgu+ex0Rst5pzveyeNA:BSS5bETV3rMWmz9hWRwpiS

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks