We are investigating a ransomware campaign that abuses legitimate Sophos executables and DLLs by modifying their original content, overwriting the entry-point code, and inserting the decrypted payload as a resource – in other words, impersonating legitimate files to attempt to sneak onto systems. A preliminary check indicates that all the affected Sophos files were part of the 2022.4.3 version of our Windows Endpoint product.

Source: SC Magazine