General

  • Target

    7d8dae72d41bc89d4ce4cbc96fded3fd9a6c0a254b5ff639e7363af552b6e298

  • Size

    2.9MB

  • Sample

    240529-3gyknseh99

  • MD5

    a478085587974cc6d7acadce0ddbb456

  • SHA1

    aa2778203c516dcce139aebb0e66211a0122f98f

  • SHA256

    7d8dae72d41bc89d4ce4cbc96fded3fd9a6c0a254b5ff639e7363af552b6e298

  • SHA512

    ca294a77df854d91d82fee25c32e589ac7c447bcdf456dd06af44cffb45875529d205d1c38f74b16970307af8a2dd9b8bb9064809b291af6ffb8619e4c02eb74

  • SSDEEP

    49152:f4DKm+cjWnC8WLqxdGWJMcWI2TJT1Q0UN2Trsljq:QDKmzjWnC8Wikx1DUN2/Uq

Malware Config

Targets

    • Target

      7d8dae72d41bc89d4ce4cbc96fded3fd9a6c0a254b5ff639e7363af552b6e298

    • Size

      2.9MB

    • MD5

      a478085587974cc6d7acadce0ddbb456

    • SHA1

      aa2778203c516dcce139aebb0e66211a0122f98f

    • SHA256

      7d8dae72d41bc89d4ce4cbc96fded3fd9a6c0a254b5ff639e7363af552b6e298

    • SHA512

      ca294a77df854d91d82fee25c32e589ac7c447bcdf456dd06af44cffb45875529d205d1c38f74b16970307af8a2dd9b8bb9064809b291af6ffb8619e4c02eb74

    • SSDEEP

      49152:f4DKm+cjWnC8WLqxdGWJMcWI2TJT1Q0UN2Trsljq:QDKmzjWnC8Wikx1DUN2/Uq

    • DcRat

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

    • 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.

    • Detects executables packed with SmartAssembly

    • 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

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks