General

  • Target
    28082026_0219_23082026_Rechnung Nr. 2026-83.pdf.lnk.zip
  • Size 672B
  • Sample260828-cr4assserf
  • SHA256 40475a654f6b57cb383a0cca32619b95f00f56a76b76401013f4c6ee5bea31bc
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • asyncrat

Botnet
  • Default

C2
  • 212.227.108.127:3232

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      Rechnung Nr. 2026-83.pdf.lnk
    • Size 1KB
    • SHA256 14bd1767f03831fbb954aa23b725f38919dcc2889b69c3dfe5484a8a4be3a8a8
    • MD5 SHA1 SHA512 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.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to get system information as a root user.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks