General

  • Target

    JaffaCakes118_1262fa2c62545950f2d9f468e78d4245

  • Size

    1.4MB

  • Sample

    250123-a5tx6stpay

  • MD5

    1262fa2c62545950f2d9f468e78d4245

  • SHA1

    2e32b45639a01f53531bf85f12b64cc8c777f1ec

  • SHA256

    7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7

  • SHA512

    cd96d5259d06ba61d94e24839936c275067f7127bb173a140025e90ef9afef1315dfabf5c24a7b2d0d491b2008e5142096a363f70629d085ad8db8c2c1046057

  • SSDEEP

    24576:QdUM80K1+1lZnf0vIzzaGm2VfJtC5xQdMrTCeayHdjgVStXVyqKqhfSbBZy2CCJ6:OUXF1+1lZnf0vIXakI5xowicVX6vcSVY

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-UNBJL0T

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gQCYG1jH5wfi

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_1262fa2c62545950f2d9f468e78d4245

    • Size

      1.4MB

    • MD5

      1262fa2c62545950f2d9f468e78d4245

    • SHA1

      2e32b45639a01f53531bf85f12b64cc8c777f1ec

    • SHA256

      7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7

    • SHA512

      cd96d5259d06ba61d94e24839936c275067f7127bb173a140025e90ef9afef1315dfabf5c24a7b2d0d491b2008e5142096a363f70629d085ad8db8c2c1046057

    • SSDEEP

      24576:QdUM80K1+1lZnf0vIzzaGm2VfJtC5xQdMrTCeayHdjgVStXVyqKqhfSbBZy2CCJ6:OUXF1+1lZnf0vIXakI5xowicVX6vcSVY

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks