Overview

overview

10

Static

static

3

051f523af3...b8.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    051f523af3d06b2e8cece5f7391ed69cdbc0e85774e7a32b106f4ef60d070db8
  • Size 1.6MB
  • Sample260916-wmzxcstdnc
  • SHA256 051f523af3d06b2e8cece5f7391ed69cdbc0e85774e7a32b106f4ef60d070db8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
dcratexecutioninfostealerpersistencerat

Malware Config

Targets

    • Target
      051f523af3d06b2e8cece5f7391ed69cdbc0e85774e7a32b106f4ef60d070db8
    • Size 1.6MB
    • SHA256 051f523af3d06b2e8cece5f7391ed69cdbc0e85774e7a32b106f4ef60d070db8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executiondcratinfostealerpersistencerat

    • Family: DcRat

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

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks