Overview

overview

10

Static

static

10

552e401ed4...8c.exe

windows7-x64

10

552e401ed4...8c.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    552e401ed4740592eed1d413ae5a798c.exe
  • Size 2.7MB
  • Sample240925-fx413azepg
  • SHA256 1d6628a6cd66f3dd7f3377ee1c30e8a92cedb1d40f5a121b84e5ab84a0e19909
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdiscoveryevasioninfostealerpersistencerat

Malware Config

Targets

    • Target
      552e401ed4740592eed1d413ae5a798c.exe
    • Size 2.7MB
    • SHA256 1d6628a6cd66f3dd7f3377ee1c30e8a92cedb1d40f5a121b84e5ab84a0e19909
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratdiscoveryevasioninfostealerpersistencerat

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks