Overview

overview

10

Static

static

3

131c1efa92...ac.exe

windows7-x64

10

131c1efa92...ac.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    131c1efa923313555608e90d97f0a2d8fdf3fbe4695397278ca391009148f9ac.exe
  • Size 1.6MB
  • Sample240714-kmncsawdkf
  • SHA256 131c1efa923313555608e90d97f0a2d8fdf3fbe4695397278ca391009148f9ac
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratinfostealerransomwarerat

Malware Config

Targets

    • Target
      131c1efa923313555608e90d97f0a2d8fdf3fbe4695397278ca391009148f9ac.exe
    • Size 1.6MB
    • SHA256 131c1efa923313555608e90d97f0a2d8fdf3fbe4695397278ca391009148f9ac
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratinfostealerransomwarerat

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks