The .rar archive typically exploits a WinRAR zero-day vulnerability (CVE-2023-38831). When a user double-clicks an innocent-looking file inside the archive (like a PDF or image), the vulnerability triggers the execution of hidden malicious code instead.
If you have this file, do not attempt to extract it or open any files within it. 826_RPA.rar
The campaign is attributed to Paper Werewolf , a group known for its focus on espionage and its ability to rapidly weaponize newly discovered software flaws. Recommended Actions The campaign is attributed to Paper Werewolf ,
If you are looking into the file , you are likely dealing with a known piece of malware associated with the threat actor group Paper Werewolf (also tracked as Sticky Werewolf ). Key Findings on 826_RPA
Detailed analysis from cybersecurity researchers at BI.ZONE identifies this file as part of a targeted cyber-espionage campaign. Key Findings on 826_RPA.rar
Once executed, it drops a backdoor or info-stealer designed to exfiltrate documents, take screenshots, and monitor system activity.
Ensure your WinRAR software is updated to version 6.23 or higher , which patches the vulnerability used in these attacks.