General

  • Target

    196b46719d806782360be5b38c06d69ea585e2bf313b2af6fc2fafa65df34136N.exe

  • Size

    1.2MB

  • Sample

    241216-r1tv2stmhr

  • MD5

    c9f7c23a4105e1269d9aeea7f3ff6a70

  • SHA1

    3dbcac66eee0330000d7644aafcddc83280c8c22

  • SHA256

    196b46719d806782360be5b38c06d69ea585e2bf313b2af6fc2fafa65df34136

  • SHA512

    caa3607cc4555ce22c9f96da7c8863d00905dd4126df49c0c0d58239c4840eb65c34be2ca05f423a15a5d28f9b4881632d3488b9f9e7bb9ec5766cc9b6d6da5e

  • SSDEEP

    12288:f2FRv2FRN2FRh2FRIuI0Q5idun7RE529VLgoSf9dyFVuIQ/jLNp1c9LZ4VC:IuI08idO1EG/zuRW6VC

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

marcel.no-ip.org:1604

Mutex

DC_MUTEX-J9U2RA3

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    kk6imTnrgZfJ

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      196b46719d806782360be5b38c06d69ea585e2bf313b2af6fc2fafa65df34136N.exe

    • Size

      1.2MB

    • MD5

      c9f7c23a4105e1269d9aeea7f3ff6a70

    • SHA1

      3dbcac66eee0330000d7644aafcddc83280c8c22

    • SHA256

      196b46719d806782360be5b38c06d69ea585e2bf313b2af6fc2fafa65df34136

    • SHA512

      caa3607cc4555ce22c9f96da7c8863d00905dd4126df49c0c0d58239c4840eb65c34be2ca05f423a15a5d28f9b4881632d3488b9f9e7bb9ec5766cc9b6d6da5e

    • SSDEEP

      12288:f2FRv2FRN2FRh2FRIuI0Q5idun7RE529VLgoSf9dyFVuIQ/jLNp1c9LZ4VC:IuI08idO1EG/zuRW6VC

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks