Overview

overview

10

Static

static

10

DCRatBuild.exe

windows10-2004-x64

10

DCRatBuild.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    DCRatBuild.exe
  • Size 1.1MB
  • Sample260424-2kr2maew3p
  • SHA256 165b1c1b49febea0873894eeb6c808170943d02da8cb7fc3fffa636528b339b2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
dcratdiscoveryexecutioninfostealerpersistencerat

Malware Config

Targets

    • Target
      DCRatBuild.exe
    • Size 1.1MB
    • SHA256 165b1c1b49febea0873894eeb6c808170943d02da8cb7fc3fffa636528b339b2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutiondcratinfostealerpersistencerat

    • 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 dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks