UAC-0099 Using WinRAR Exploit to Target Ukrainian Firms with LONEPAGE Malware

The threat actor known as UAC-0099 has been linked to continued attacks aimed at Ukraine, some of which leverage a high-severity flaw in the WinRAR software to deliver a malware strain called LONEPAGE.
“The threat actor targets Ukrainian employees working for companies outside of Ukraine,” cybersecurity firm Deep Instinct said in a Thursday analysis.
UAC-0099 was first