Traditionally, this leads to the installation of Cobalt Strike , Gootkit RAT , or ransomware like REvil or LockBit . Indicators of Compromise (IoCs)

Web-based social engineering. The filename is often randomized or semi-randomized to bypass signature-based detection. Behavioral Pattern:

Based on current security intelligence and file analysis, is identified as a malicious archive, frequently associated with GootLoader (also known as Gootkit) malware campaigns. Executive Summary

Launching a JavaScript file directly from a ZIP.

ZIP Archive containing a heavily obfuscated .js (JavaScript) file. Primary Malware Family: GootLoader.

The user extracts and double-clicks the JS file.

It contacts a Command and Control (C2) server to download a "next-stage" payload.