General

  • Target

    https://drive.google.com/file/d/1_sNpxv2POysh5ec8MUwxlwMz9znyiLD_/view?pli=1

  • Sample

    240711-xgke6azapk

Malware Config

Targets

    • Target

      https://drive.google.com/file/d/1_sNpxv2POysh5ec8MUwxlwMz9znyiLD_/view?pli=1

    • 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.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks