General

  • Target

    https://cdn.discordapp.com/attachments/1297224058857062474/1324842481543676068/ddos_tool.exe?ex=67799f35&is=67784db5&hm=ab9b89df5d823a64e71668d3649044a154a5024b770ad2a6159296a1d56e6c11&

  • Sample

    250103-zsyg9swkdr

Malware Config

Extracted

Family

xworm

C2

responsibility-popular.gl.at.ply.gg:57012

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

Targets

    • Target

      https://cdn.discordapp.com/attachments/1297224058857062474/1324842481543676068/ddos_tool.exe?ex=67799f35&is=67784db5&hm=ab9b89df5d823a64e71668d3649044a154a5024b770ad2a6159296a1d56e6c11&

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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