: WinRAR.exe spawning cmd.exe to run .bat scripts from temporary folders.

Malware analysis ibso9p0sjp44crzm.7z Malicious activity | ANY.RUN

Based on recent security sandbox data, "20882 rar" appears to be a temporary directory string associated with the execution of a malicious archive , likely related to a malware sample analyzed in late March 2026. Summary of Incident

: The analysis shows a file named Rar$Scan19941.bat being launched from the 20882 directory via cmd.exe .

: The malicious activity was documented on a system running under an "admin" user profile within a Microsoft Corporation environment, indicating a target-agnostic or broad-reaching delivery method. Key Indicators of Compromise (IoCs)

: Look for variations of Rar$Scan[Number].bat .

: C:\Users\admin\AppData\Local\Temp\20882\ (or similar Temp subdirectories).

The string typically appears in the path ...\20882\Rar$Scan... when a malicious archive is extracted or scanned by WinRAR. Reports from the malware analysis platform ANY.RUN indicate this specific directory was used during the execution of a multi-stage infection chain. Technical Findings