Overview

overview

10

Static

static

10

DC.exe

windows7-x64

10

DC.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    DC.exe
  • Size 1.6MB
  • Sample240530-nam32afc4v
  • SHA256 4a6728a33527bde13ac3dd3a5a1e620721891fac540d69f90f233f23ae2f4463
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratexecutioninfostealerratspywarestealer

Malware Config

Targets

    • Target
      DC.exe
    • Size 1.6MB
    • SHA256 4a6728a33527bde13ac3dd3a5a1e620721891fac540d69f90f233f23ae2f4463
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratexecutioninfostealerratspywarestealer

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks