Overview

overview

10

Static

static

file.exe

windows7-x64

8

file.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    file.exe
  • Size 521KB
  • Sample221003-3jtz9scch4
  • SHA256 032ec3b2326b490256e07eebcd1f07dea140ce485208d879350010cd190f51ac
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratsmokeloaderbackdoorevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target
      file.exe
    • Size 521KB
    • SHA256 032ec3b2326b490256e07eebcd1f07dea140ce485208d879350010cd190f51ac
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    persistencedcratsmokeloaderbackdoorevasioninfostealerrattrojan

    • DcRat

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

      ratinfostealerdcrat

    • Detects Smokeloader packer

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • UAC bypass

      evasiontrojan

    • 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.

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks