UAC-0099

Pierluigi Paganini August 07, 2025
CERT-UA warns of UAC-0099 phishing attacks targeting Ukraine’s defense sector

Ukraine’s CERT-UA warns of phishing attacks by UAC-0099 targeting defense sectors, using malware like MATCHBOIL, MATCHWOK, and DRAGSTARE. Ukraine’s CERT-UA warns of phishing attacks by threat actor UAC-0099 targeting government and defense sectors, delivering malware like MATCHBOIL and DRAGSTARE. The National Cyber Incident, Cyber Attack, and Cyber Threat Response Team CERT-UA investigated multiple attacks against […]

Pierluigi Paganini December 25, 2023
APT group UAC-0099 targets Ukraine exploiting a WinRAR flaw

The threat actor UAC-0099 is exploiting a flaw in the WinRAR to deliver LONEPAGE malware in attacks against Ukraine. A threat actor, tracked as UAC-0099, continues to target Ukraine. In some attacks, the APT group exploited a high-severity WinRAR flaw CVE-2023-38831 to deliver the LONEPAGE malware. UAC-0099 threat actor has targeted Ukraine since mid-2022, it was spotted […]