General

  • Target

    180102f846d452748fb47e8fddbf5ad057ce709e6d2b894ec3dbdea499dec98d

  • Size

    1.9MB

  • Sample

    240522-xqew2ada78

  • MD5

    880b2950be17aca18aebdf116b26379b

  • SHA1

    74c73e588de5a14a2c614c8a8d1f71c3e8ffdb54

  • SHA256

    180102f846d452748fb47e8fddbf5ad057ce709e6d2b894ec3dbdea499dec98d

  • SHA512

    0c571f1e4ce7a3e887b55d7773453c910b3e2c5ee5eedf0d4a53a88d6b97f85114e8837794aa4ae6f2f600bdf5fde2374ffbc16b66bedcdda34379d530f3a967

  • SSDEEP

    24576:ZcIqg3pZ9Lbp1x5mMnbJ4ANfUAlkDd/2uUpET57RLGKETv/cyUM6MniOlsxvZBSg:3rhDbJ4dAlkpuuUpY57cKEr0a7iOyKc

Malware Config

Targets

    • Target

      180102f846d452748fb47e8fddbf5ad057ce709e6d2b894ec3dbdea499dec98d

    • Size

      1.9MB

    • MD5

      880b2950be17aca18aebdf116b26379b

    • SHA1

      74c73e588de5a14a2c614c8a8d1f71c3e8ffdb54

    • SHA256

      180102f846d452748fb47e8fddbf5ad057ce709e6d2b894ec3dbdea499dec98d

    • SHA512

      0c571f1e4ce7a3e887b55d7773453c910b3e2c5ee5eedf0d4a53a88d6b97f85114e8837794aa4ae6f2f600bdf5fde2374ffbc16b66bedcdda34379d530f3a967

    • SSDEEP

      24576:ZcIqg3pZ9Lbp1x5mMnbJ4ANfUAlkDd/2uUpET57RLGKETv/cyUM6MniOlsxvZBSg:3rhDbJ4dAlkpuuUpY57cKEr0a7iOyKc

    • DcRat

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

    • Modifies WinLogon for persistence

    • 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.

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks