Hundreds of industrial companies are currently the targets of cyber-espionage activity from an advanced threat actor. The adversary uses a new version of an older info-stealer to extract sensitive data and files. The attacker uses spear-phishing emails with malicious attachments often disguised as PDF files. Separ is the malware of choice, which steals login data from browsers and email clients, also hunting for various types of documents and images.
Source: Bleeping Computer