Technical Analysis of Emerging, Sophisticated Pandora Ransomware Group

**Executive Summary:** This report provides a technical analysis of the Pandora ransomware (sample hash 5b56c5d8...), detailing its UPX packing, anti-debug checks, ETW and instrumentation callback bypasses, pre-encryption cleanup (shadow copy deletion, recycle emptying, shutdown priority), multithreaded encryption via Windows I/O completion ports, RSA-4096 encryption adding the .pandora extension, and persistence/metadata stored under HKCU\Software (Public/Private). It also lists key IOCs such as the binary hash, registry values, and the ransom note filename Restore_My_Files.txt.