Overview

overview

10

Static

static

d761a88913...7f.exe

windows7-x64

10

d761a88913...7f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d761a88913fad6d95dac4066c62bcc0eca249885051665c577c227c82b647e7f

  • Size

    3.7MB

  • Sample

    230129-1cqm6afa2s

  • MD5

    780f599c1b1d73874aa554dca1624d29

  • SHA1

    123ab47813fdb8ba9767250645b8126f76e0144c

  • SHA256

    d761a88913fad6d95dac4066c62bcc0eca249885051665c577c227c82b647e7f

  • SHA512

    7c3f4e0186b7f7a64c757137ca571ceb035906fc9bcfceec5d6ed98774be205e6fbdf2f2f9903505bc867caab3ed698dbe7b8ae4f8e186ce1cb9d6c724c85913

  • SSDEEP

    98304:Db+bYAh4UJyYoWSLluElOXdgSDKLpNU8XcBptKSWZ:DqEAhhJDCLsCADK9NU8sBbKVZ

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      d761a88913fad6d95dac4066c62bcc0eca249885051665c577c227c82b647e7f

    • Size

      3.7MB

    • MD5

      780f599c1b1d73874aa554dca1624d29

    • SHA1

      123ab47813fdb8ba9767250645b8126f76e0144c

    • SHA256

      d761a88913fad6d95dac4066c62bcc0eca249885051665c577c227c82b647e7f

    • SHA512

      7c3f4e0186b7f7a64c757137ca571ceb035906fc9bcfceec5d6ed98774be205e6fbdf2f2f9903505bc867caab3ed698dbe7b8ae4f8e186ce1cb9d6c724c85913

    • SSDEEP

      98304:Db+bYAh4UJyYoWSLluElOXdgSDKLpNU8XcBptKSWZ:DqEAhhJDCLsCADK9NU8sBbKVZ

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • DcRat

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

      ratinfostealerdcrat

    • Modifies Windows Defender Real-time Protection settings

      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.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks for any installed AV software in registry

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks