Cybersecurity researchers have disclosed details of a new Russian cyber campaign that has targeted Ukrainian entities with two previously undocumented malware families named BadPaw and MeowMeow. "The attack chain initiates with a phishing email containing a link to a ZIP archive. Once extracted, an initial HTA file displays a lure document written in Ukrainian concerning border crossing appeals to deceive the victim," ClearSky said in a report published this week. In parallel, the attack chain leads to the deployment of a .NET-based loader called BadPaw, which then establishes communication with a remote server to fetch and deploy a sophisticated backdoor called MeowMeow. The campaign has been attributed with moderate confidence to the Russian state-sponsored threat actor known as APT28,…