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.bin
  • Size 1.4MB
  • Sample220710-mz4lmsbbbk
  • SHA256 e9275284ac3531a412f04ac246137c194439fa9e04000083a3a72aabc0cd3311
  • MD5 SHA1 SHA512
Score
10/10
dcratinfostealerratsuricata

Malware Config

Targets

    • Target
      DCRatBuild.bin
    • Size 1.4MB
    • SHA256 e9275284ac3531a412f04ac246137c194439fa9e04000083a3a72aabc0cd3311
    • MD5 SHA1 SHA512
    Score
    10/10
    dcratinfostealerratsuricata

    • 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.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

      suricata

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks