General

  • Target

    4da9f52fc7e59722b82fc6c95f5335025e95173bb31f9d4e84f6c36e42468261

  • Size

    1.7MB

  • Sample

    241205-1xxl7szqgq

  • MD5

    17ec06d456ef3bb342d301f1a0e7f5ae

  • SHA1

    da6432e5a3cc4f5c52420e0e4adbbb6c22249071

  • SHA256

    4da9f52fc7e59722b82fc6c95f5335025e95173bb31f9d4e84f6c36e42468261

  • SHA512

    bc434febf5ac6600e40134ea72feeef048b895167701bef85c447776a423d533a120bc1feee1173cdeb8b0a13f8d2bddb2d8200b7ec005f3b8aaad430300de28

  • SSDEEP

    49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:uTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      4da9f52fc7e59722b82fc6c95f5335025e95173bb31f9d4e84f6c36e42468261

    • Size

      1.7MB

    • MD5

      17ec06d456ef3bb342d301f1a0e7f5ae

    • SHA1

      da6432e5a3cc4f5c52420e0e4adbbb6c22249071

    • SHA256

      4da9f52fc7e59722b82fc6c95f5335025e95173bb31f9d4e84f6c36e42468261

    • SHA512

      bc434febf5ac6600e40134ea72feeef048b895167701bef85c447776a423d533a120bc1feee1173cdeb8b0a13f8d2bddb2d8200b7ec005f3b8aaad430300de28

    • SSDEEP

      49152:D+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:uTHUxUoh1IF9gl2

    • 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