Overview

overview

10

Static

static

10

679c989b6a...1f.exe

windows7-x64

10

679c989b6a...1f.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    679c989b6a378bab5dd436601942781f.exe
  • Size 1.3MB
  • Sample240809-pwrh1svbld
  • SHA256 7224bbcf3bd6d87e1071cb7e0fb9777796401bf5dd8e8f1875ce5e21ccce8d8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target
      679c989b6a378bab5dd436601942781f.exe
    • Size 1.3MB
    • SHA256 7224bbcf3bd6d87e1071cb7e0fb9777796401bf5dd8e8f1875ce5e21ccce8d8e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratdiscoveryexecutioninfostealerrat

    • DcRat

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

      ratinfostealerdcrat

    • 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.

      rat

    • 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

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks