REPLAY: Revisiting Play Ransomware Anti-Analysis Techniques

Description

This analysis revisits the anti-analysis techniques employed by recent variants of the Play ransomware, which is known for targeting industries like healthcare and telecommunications across various regions. The report explains how the ransomware utilizes techniques like return-oriented programming (ROP), anti-disassembling tricks, junk code insertion, exploiting the Structured Exception Handling (SEH) mechanism, string obfuscation, and API hashing to hinder analysis and detection. Scripts developed by Netskope Threat Labs to aid in countering these techniques are also discussed.