VERY IMPORTANT

This report details the activities of two hacker groups, QuietCrabs and Thor, targeting Russian companies. QuietCrabs exploited RCE vulnerabilities in Microsoft SharePoint and Ivanti Endpoint Manager Mobile, using KrustyLoader and Sliver malware. Thor employed more common tools and techniques, attacking around 110 Russian companies across various sectors. Both groups utilized recent vulnerabilities, with QuietCrabs acting within hours of exploit publications. The report highlights the groups' tactics, tools, and targeted industries, emphasizing the need for robust cybersecurity measures to counter such sophisticated attacks.