General

  • Target

    d3e9370dd204a209e52b46717cb80c7f54bd9ae353b2fea658b0261f81d30ad0N.exe

  • Size

    1.7MB

  • Sample

    241231-wk4grssjd1

  • MD5

    6307524bb031c6046e35387966560610

  • SHA1

    d5d11bb96b66a4d6b918e80f9a35de9d131e2460

  • SHA256

    d3e9370dd204a209e52b46717cb80c7f54bd9ae353b2fea658b0261f81d30ad0

  • SHA512

    1a4cad8c180677a824015923de749b6529793a4da3447b18e5cabba9a55a9e15b46ee7468095d70321b37dfa3d8593876688a7aa84269497d091eaf668a94a4e

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      d3e9370dd204a209e52b46717cb80c7f54bd9ae353b2fea658b0261f81d30ad0N.exe

    • Size

      1.7MB

    • MD5

      6307524bb031c6046e35387966560610

    • SHA1

      d5d11bb96b66a4d6b918e80f9a35de9d131e2460

    • SHA256

      d3e9370dd204a209e52b46717cb80c7f54bd9ae353b2fea658b0261f81d30ad0

    • SHA512

      1a4cad8c180677a824015923de749b6529793a4da3447b18e5cabba9a55a9e15b46ee7468095d70321b37dfa3d8593876688a7aa84269497d091eaf668a94a4e

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • 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.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks