Overview

overview

10

Static

static

10

DCRatBuild.exe

windows10-2004-x64

10

DCRatBuild.exe

windows10-ltsc_2021-x64

10

DCRatBuild.exe

windows11-21h2-x64

10

DCRatBuild.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    DCRatBuild.exe
  • Size 2.9MB
  • Sample260920-shjsssce85
  • SHA256 1688430090f5291e887dba7208bda6c2b9d7a3ad91852383f15c9b53d8f4ea36
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
dcratdefense_evasiondiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target
      DCRatBuild.exe
    • Size 2.9MB
    • SHA256 1688430090f5291e887dba7208bda6c2b9d7a3ad91852383f15c9b53d8f4ea36
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutiondcratinfostealerrat

    • 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

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks