Overview

overview

10

Static

static

10

c71fd9b47a...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    c71fd9b47aef31767ce1512ac64f42cd.exe
  • Size 691KB
  • Sample250831-pcsxqsgr4x
  • SHA256 64a5d64cf3af0a6739ee706e3fb1d4a997fa5c32a52cc42167f673ab14bee3d4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdefense_evasionexecutioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target
      c71fd9b47aef31767ce1512ac64f42cd.exe
    • Size 691KB
    • SHA256 64a5d64cf3af0a6739ee706e3fb1d4a997fa5c32a52cc42167f673ab14bee3d4
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasionexecutiondcratinfostealerpersistencerattrojan

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

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

    • UAC bypass

      defense_evasiontrojan

    • 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

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks