General

  • Target

    05cf7e0a51503c938efdaddec12578aacdfe10f1fd3012e2a0e4f8b437d49080

  • Size

    1.7MB

  • Sample

    241208-xxzj1sxlgn

  • MD5

    2bbbc1024834e5eb4880e044608e8c9c

  • SHA1

    d45b4eccb435a91acff766f0a61bb33cf43c9b2e

  • SHA256

    05cf7e0a51503c938efdaddec12578aacdfe10f1fd3012e2a0e4f8b437d49080

  • SHA512

    e275f0a84ce60d5b5c446d77728a3f04679df3b22f7440b4db81e9aed5234b9f0b89d130bf2ca622d69d57148ef78e20089ec0bf6fd5c8d5151228588c9e30c9

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      05cf7e0a51503c938efdaddec12578aacdfe10f1fd3012e2a0e4f8b437d49080

    • Size

      1.7MB

    • MD5

      2bbbc1024834e5eb4880e044608e8c9c

    • SHA1

      d45b4eccb435a91acff766f0a61bb33cf43c9b2e

    • SHA256

      05cf7e0a51503c938efdaddec12578aacdfe10f1fd3012e2a0e4f8b437d49080

    • SHA512

      e275f0a84ce60d5b5c446d77728a3f04679df3b22f7440b4db81e9aed5234b9f0b89d130bf2ca622d69d57148ef78e20089ec0bf6fd5c8d5151228588c9e30c9

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks