Overview

overview

10

Static

static

10

DCRatBuild.exe

windows7-x64

10

DCRatBuild.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    DCRatBuild.exe
  • Size 2.2MB
  • Sample231204-xtbzjsed2w
  • SHA256 d4a578ec1a8a2ea4ad971310ecebb996529d90a7ebe264be20fb57d5a25371e2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratinfostealerrat

Malware Config

Targets

    • Target
      DCRatBuild.exe
    • Size 2.2MB
    • SHA256 d4a578ec1a8a2ea4ad971310ecebb996529d90a7ebe264be20fb57d5a25371e2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratinfostealerrat

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks