Belarus-linked APT group GhostWriter targeted Ukrainian organizations with a malware family known as PicassoLoader, used to deliver various malicious payloads. The Ukrainian Government’s Computer Emergency Response Team (CERT-UA) reported a surge in activity associated with the APT group UAC-0057 (aka GhostWriter) group between July 12 and 18, 2024. Threat actors distributed documents containing macros designed […]