General

  • Target
    Feather Nowy.exe
  • Size 174KB
  • Sample240620-yns7bavflc
  • SHA256 66116a575982dc2aafaa6dda428fd3b3f273b9a9b1d7e0ed789983a1c16d4c47
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 127.0.0.1:33694

  • lake-french.gl.at.ply.gg:33694

Attributes
  • Install_directory

    %Temp%

  • install_file

    Nowy Feather.exe

Targets

    • Target
      Feather Nowy.exe
    • Size 174KB
    • SHA256 66116a575982dc2aafaa6dda428fd3b3f273b9a9b1d7e0ed789983a1c16d4c47
    • MD5 SHA1 SHA512 SSDEEP
    • Contains code to disable Windows Defender

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

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks