52600.rar -

This technical report examines the cyber threat landscape associated with the file , a malicious archive frequently linked to exploitation of a zero-day vulnerability in WinRAR . 1. Executive Summary

The file is identified as a weaponized archive used in multi-stage malware infection chains. Recent intelligence indicates this specific file type often exploits CVE-2025-8088 , a path traversal vulnerability in WinRAR that allows attackers to execute arbitrary code by silently writing malicious scripts to critical system directories during extraction. 2. Technical Analysis of CVE-2025-8088 52600.rar

: The malware achieves persistence, executing automatically at every user logon without requiring administrative privileges. 3. Infection Chain & Payload This technical report examines the cyber threat landscape

: A PowerShell loader is extracted, which decrypts and injects Donut-generated shellcode into legitimate system processes like explorer.exe . Recent intelligence indicates this specific file type often

: The attack concludes by launching a Quasar RAT (Remote Access Trojan), providing attackers with full remote control over the infected host. 4. Associated Threat Actors

: It removes "Mark-of-the-Web" identifiers to bypass local security warnings.

: Campaigns have primarily targeted financial, manufacturing, defense, and logistics sectors across Europe and Canada .