General

  • Target
    b8543ffd8c3064b82b265ef78395f581fa4fee9b3583899e6fd04b23146b070d.bin
  • Size 210KB
  • Sample260811-dsrttsvbrf
  • SHA256 b8543ffd8c3064b82b265ef78395f581fa4fee9b3583899e6fd04b23146b070d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

Mutex
  • RrN9Ys9mXk5D

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • private_ip

    192.168.1.10

aes.plain

Targets

    • Target
      b8543ffd8c3064b82b265ef78395f581fa4fee9b3583899e6fd04b23146b070d.bin
    • Size 210KB
    • SHA256 b8543ffd8c3064b82b265ef78395f581fa4fee9b3583899e6fd04b23146b070d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Detects DonutLoader

    • Family: AsyncRat

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

    • Family: DonutLoader

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

    • Modifies visibility of hidden/system files in Explorer

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v16

Tasks