General

  • Target

    b9ab7468de784cdab90190a6aa2d2071d733487cb331e41276f1d497e2d985f5N.exe

  • Size

    1.7MB

  • Sample

    250111-zdm3zs1ldm

  • MD5

    e925545425c1bb324afb86cbf84ba820

  • SHA1

    125c717a690986a94e3a6575086e7f6f07b34c55

  • SHA256

    b9ab7468de784cdab90190a6aa2d2071d733487cb331e41276f1d497e2d985f5

  • SHA512

    80d676851c7076dfbd29f5de351337d0c32fac9f2652fdcac7eccc3652fabc401a1a8e865b628ac50aa69b9259481a45483205c5ae22c3ce6f2352548ae06ec3

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      b9ab7468de784cdab90190a6aa2d2071d733487cb331e41276f1d497e2d985f5N.exe

    • Size

      1.7MB

    • MD5

      e925545425c1bb324afb86cbf84ba820

    • SHA1

      125c717a690986a94e3a6575086e7f6f07b34c55

    • SHA256

      b9ab7468de784cdab90190a6aa2d2071d733487cb331e41276f1d497e2d985f5

    • SHA512

      80d676851c7076dfbd29f5de351337d0c32fac9f2652fdcac7eccc3652fabc401a1a8e865b628ac50aa69b9259481a45483205c5ae22c3ce6f2352548ae06ec3

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

    • 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