Overview

overview

10

Static

static

10

450feb62ff...b4.exe

windows7-x64

10

450feb62ff...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    450feb62ffd1d5c1ffcefc8e173a29b4.exe
  • Size 2.6MB
  • Sample221015-rbjnsaffe9
  • SHA256 66bc2046ade6ee7d8a37ed169de795ea3ed78ef5fadb2ae1311758eac97d360a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target
      450feb62ffd1d5c1ffcefc8e173a29b4.exe
    • Size 2.6MB
    • SHA256 66bc2046ade6ee7d8a37ed169de795ea3ed78ef5fadb2ae1311758eac97d360a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks