If you must open a RAR file for legitimate reasons, ensure you are using an up-to-date version of WinRAR or 7-Zip to avoid older vulnerabilities in the extraction software itself. Known Exploited Vulnerabilities Catalog - CISA
If you are investigating the file , it is likely related to CVE-2023-23376 , a high-severity elevation of privilege vulnerability in the Windows Common Log File System (CLFS) Driver. This specific vulnerability has been actively exploited in the wild to allow attackers to execute code with SYSTEM privileges. Summary of CVE-2023-23376 Vulnerability Type: Elevation of Privilege (EoP). 23376 rar
Known to be exploited by various threat actors to deploy malware or move laterally within networks. Why the ".rar" Extension? If you must open a RAR file for
designed to be executed once privileges are escalated. designed to be executed once privileges are escalated
Compressed files like RAR can contain viruses that remain dormant until they are extracted and run.