General

  • Target

    http://chromeupdates.com

  • Sample

    241111-q7frbszejj

Malware Config

Extracted

Family

xworm

Version

5.0

C2

103.176.110.245:25902

Mutex

gJ18Xu5U9mSdXqIs

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7276041743:AAHcuQBIgMQxThnw-SMW4PSn0GYAkSjroxA

aes.plain

Targets

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks