General

  • Target

    b2719db92d9b7537b1373d406215176928eff13d8a695342bc486c720985add9.exe

  • Size

    1.1MB

  • Sample

    241113-rb4zqatcmj

  • MD5

    b8da80bdfe6252c354345441684b6151

  • SHA1

    040dcd00ac82eb3add9bd49bc9c2c773093cdd07

  • SHA256

    b2719db92d9b7537b1373d406215176928eff13d8a695342bc486c720985add9

  • SHA512

    da03b9665eb425db14c28ddc631a3cda5425ed140d2bae37b08a8c9f8e6208a45072be53d8b02b4e15bab53fa439e46d27c0a2681f3c94d1b3ae47de37e5a7e6

  • SSDEEP

    24576:ZxU376C0skFgqIyXFnbCDQgZ8e7FRsWC9ZRHInh4j1Cf6liXwkOmpdD:EPkVXFGDQoP7FRCZRonh4hfewhmpdD

Malware Config

Targets

    • Target

      b2719db92d9b7537b1373d406215176928eff13d8a695342bc486c720985add9.exe

    • Size

      1.1MB

    • MD5

      b8da80bdfe6252c354345441684b6151

    • SHA1

      040dcd00ac82eb3add9bd49bc9c2c773093cdd07

    • SHA256

      b2719db92d9b7537b1373d406215176928eff13d8a695342bc486c720985add9

    • SHA512

      da03b9665eb425db14c28ddc631a3cda5425ed140d2bae37b08a8c9f8e6208a45072be53d8b02b4e15bab53fa439e46d27c0a2681f3c94d1b3ae47de37e5a7e6

    • SSDEEP

      24576:ZxU376C0skFgqIyXFnbCDQgZ8e7FRsWC9ZRHInh4j1Cf6liXwkOmpdD:EPkVXFGDQoP7FRCZRonh4hfewhmpdD

    • 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.

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks