Overview

overview

10

Static

static

10

ThirdClient.exe

windows10-2004-x64

10

ThirdClient.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    ThirdClient.exe
  • Size 70KB
  • Sample260718-rch4msgv6y
  • SHA256 cf27cbef76ddf911ee4cf376d1107d1f12a5d4b5e53f5505a73cde10aa88ee5f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdonutloaderthirdratbootkitdiscoveryexecutionloaderpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • ThirdReichRAT

Botnet

  • ThirdRAT

C2

  • xXxaa-55919.portmap.host:55919

Mutex

  • 79I2guVhqez2

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      ThirdClient.exe
    • Size 70KB
    • SHA256 cf27cbef76ddf911ee4cf376d1107d1f12a5d4b5e53f5505a73cde10aa88ee5f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bootkitthirdratdiscoveryexecutionasyncratdonutloaderloaderpersistencerat

    • Async RAT payload

      rat

    • Detects DonutLoader

      loader

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • Executes dropped EXE

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks