Stealc: A Vidar & Raccoon Copycat Infostealer

This Sekoia.io report describes the emergence and technical analysis of "Stealc", a C-written information stealer advertised by an actor named Plymouth in early 2023; it documents Stealc's capabilities (browser/extension/desktop wallet and file theft), C2 protocol and endpoints, associated samples and hashes, YARA/Suricata detection rules, and an observed infection chain leveraging cracked-software downloads, noting active distribution with dozens of samples and multiple C2 servers.