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General

  • Target

    851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118

  • Size

    252KB

  • Sample

    240530-2dmtbscg99

  • MD5

    851eaea1aeb48c7a645091fe7a71563f

  • SHA1

    48708af16d389550d8222a44d61a90915580f42c

  • SHA256

    3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6

  • SHA512

    30f3e98ec13b38a955883a8bee81ff493c309a05a74bda5a4ac772b9e741e904a5c9adcfb024170ba15eaa71915c0dbe4d084d02a2655c534d28b826e6c7a00f

  • SSDEEP

    6144:ccNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:ccWkbgTYWnYnt/IDYhP

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

37.45.181.235:1604

coldwarn.ddns.net:1604

coldwarn.ddns.net:8621

Mutex

DC_MUTEX-J03NXGL

Attributes
  • InstallPath

    MSDC1SC\msd1csc.exe

  • gencode

    Sl1ECE8fjAr5

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate1

Targets

    • Target

      851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118

    • Size

      252KB

    • MD5

      851eaea1aeb48c7a645091fe7a71563f

    • SHA1

      48708af16d389550d8222a44d61a90915580f42c

    • SHA256

      3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6

    • SHA512

      30f3e98ec13b38a955883a8bee81ff493c309a05a74bda5a4ac772b9e741e904a5c9adcfb024170ba15eaa71915c0dbe4d084d02a2655c534d28b826e6c7a00f

    • SSDEEP

      6144:ccNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:ccWkbgTYWnYnt/IDYhP

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks