Overview

overview

10

Static

static

3

def3.exe

windows10-2004-x64

10

def3.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    def3.exe
  • Size 1.2MB
  • Sample261019-kdk63asybs
  • SHA256 df15b3ce100c6ea9682e9eb25fdb92810bef746dafa42f69a3fafe6f1e9f27d2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
dcratdefense_evasiondiscoveryexecutioninfostealerpersistencerat

Malware Config

Targets

    • Target
      def3.exe
    • Size 1.2MB
    • SHA256 df15b3ce100c6ea9682e9eb25fdb92810bef746dafa42f69a3fafe6f1e9f27d2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutiondcratinfostealerpersistenceratdefense_evasion

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Family: 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.

    • Checks computer location settings

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

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • Executes dropped EXE

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks