General

  • Target

    40829cf20ef915ac8487f3d134fbf456_JaffaCakes118

  • Size

    333KB

  • Sample

    240713-g141xayhkr

  • MD5

    40829cf20ef915ac8487f3d134fbf456

  • SHA1

    5a6b3e6911d804c89bd67eb9e6f2b522cfb44b65

  • SHA256

    285550ddfefd50bc0d6ad5494f8e7417c9a6a48d6f09c16db681fa4a9d799fa2

  • SHA512

    fb77c9ed7b7e42e157a732cb729297233106cd19e16f1b7533f5c81af793178675923f8bc7c1d5100d2526282fc4de1702274d11053ecbf1ee87e8180d70d887

  • SSDEEP

    6144:bMMWJH007FoGoyy3GSrsM/XII6aN2Z1sVd+SK6brDgNqpbn+UnCT7m4OhUcV9Ui:2JH0NGoyYYB7Z10s+DgNqR+37m4Oci

Malware Config

Extracted

Family

darkcomet

Botnet

CLeaN

C2

serverc.serveblog.net:1723

Mutex

DC_MUTEX-DHA5MCE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Q84yJDkCGvBe

  • install

    true

  • offline_keylogger

    true

  • password

    Snakes

  • persistence

    true

  • reg_key

    ����������.b

Targets

    • Target

      40829cf20ef915ac8487f3d134fbf456_JaffaCakes118

    • Size

      333KB

    • MD5

      40829cf20ef915ac8487f3d134fbf456

    • SHA1

      5a6b3e6911d804c89bd67eb9e6f2b522cfb44b65

    • SHA256

      285550ddfefd50bc0d6ad5494f8e7417c9a6a48d6f09c16db681fa4a9d799fa2

    • SHA512

      fb77c9ed7b7e42e157a732cb729297233106cd19e16f1b7533f5c81af793178675923f8bc7c1d5100d2526282fc4de1702274d11053ecbf1ee87e8180d70d887

    • SSDEEP

      6144:bMMWJH007FoGoyy3GSrsM/XII6aN2Z1sVd+SK6brDgNqpbn+UnCT7m4OhUcV9Ui:2JH0NGoyYYB7Z10s+DgNqR+37m4Oci

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • 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

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks