General

  • Target

    d6191f82b8c076e00b9839f3a27a5421147faa2feebe6d64c3650ae460be4a0bN.exe

  • Size

    3.2MB

  • Sample

    241219-mvv4ps1mfx

  • MD5

    a665e22aa25b2f62c5524fc10feb2820

  • SHA1

    0f8f6aa96b425633eb11f84aece99ef2f9d67b9e

  • SHA256

    d6191f82b8c076e00b9839f3a27a5421147faa2feebe6d64c3650ae460be4a0b

  • SHA512

    cbc565fb6b584d5b9720c6bfbebeaf71d4884ea41033fd26cba78a6b3544b39e83e0a5b011c901bbd56f9d509735a0830d18036ef677c43abf6b94eec03cc381

  • SSDEEP

    49152:oD+WhPI+P05YhHbpHP1qcdhymFKN/1cCLKtrp8qotx/8jwwpO:k+WhPIq0iHPEA1W/19LGrBoP9wpO

Malware Config

Targets

    • Target

      d6191f82b8c076e00b9839f3a27a5421147faa2feebe6d64c3650ae460be4a0bN.exe

    • Size

      3.2MB

    • MD5

      a665e22aa25b2f62c5524fc10feb2820

    • SHA1

      0f8f6aa96b425633eb11f84aece99ef2f9d67b9e

    • SHA256

      d6191f82b8c076e00b9839f3a27a5421147faa2feebe6d64c3650ae460be4a0b

    • SHA512

      cbc565fb6b584d5b9720c6bfbebeaf71d4884ea41033fd26cba78a6b3544b39e83e0a5b011c901bbd56f9d509735a0830d18036ef677c43abf6b94eec03cc381

    • SSDEEP

      49152:oD+WhPI+P05YhHbpHP1qcdhymFKN/1cCLKtrp8qotx/8jwwpO:k+WhPIq0iHPEA1W/19LGrBoP9wpO

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks