General

  • Target

    7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

  • Size

    3.5MB

  • Sample

    230129-1c2enafa2x

  • MD5

    6a31b356444d196e1b484bfac18eaf6e

  • SHA1

    fedb55b24c134a0055f70f26c9964b1219780428

  • SHA256

    7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

  • SHA512

    5e8aa46c3afe3f2f35ad3f5ab0bc20afa7a752f30f35f4330e70c8226150659215820f73c3167f03366e87f8bd7daa67a9cff834f3768cf9d701a0f9dd53d34e

  • SSDEEP

    98304:Db+bYAfeoIgy8J98XN18VBRUYDk3ptKSW8:DqEAfK2ENyPI3bKV8

Malware Config

Targets

    • Target

      7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

    • Size

      3.5MB

    • MD5

      6a31b356444d196e1b484bfac18eaf6e

    • SHA1

      fedb55b24c134a0055f70f26c9964b1219780428

    • SHA256

      7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

    • SHA512

      5e8aa46c3afe3f2f35ad3f5ab0bc20afa7a752f30f35f4330e70c8226150659215820f73c3167f03366e87f8bd7daa67a9cff834f3768cf9d701a0f9dd53d34e

    • SSDEEP

      98304:Db+bYAfeoIgy8J98XN18VBRUYDk3ptKSW8:DqEAfK2ENyPI3bKV8

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • DcRat

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

    • Modifies Windows Defender Real-time Protection settings

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

MITRE ATT&CK Enterprise v6

Tasks