UAT-5647 targets Ukrainian and Polish entities with RomCom malware variants

Category	Details
Threat Actors	UAT-5647 (also known as RomCom) – Russian-speaking group
Campaign Overview	Active since late 2023, targeting Ukrainian government and Polish entities. Focus on espionage and potential ransomware attacks.
Target Regions (Victims)	Ukrainian government entities and unknown Polish entities.
Methodology	Spear-phishing emails, malware downloaders (RustyClaw, MeltingClaw), backdoors (DustyHammock, ShadyHammock), lateral movement, tunneling into enterprise.
Product Targeted	Edge devices, internal network systems, and critical infrastructure of Ukrainian and Polish entities.
Malware Reference	RomCom malware (SingleCamper), RustClaw, MeltingClaw, DustyHammock, ShadyHammock
Tools Used	PuTTY’s Plink (for tunneling), Powershell (for reconnaissance), C++ and RUST-based tools, IPFS (InterPlanetary File System)
Vulnerabilities Exploited	Tunneling through internal ports, network reconnaissance, compromised edge devices
TTPs	Spear-phishing (T1071), Malware downloaders (T1070), Remote tunneling (T1572), Network discovery (T1016), Data exfiltration (T1560), System discovery (T1082)
Attribution	Likely Russian-speaking actors, attributed to UAT-5647 based on previous incidents
Recommendations	Use Cisco Secure Endpoint, Web Appliance, Email Security, Firewall, and Malware Analytics for detection. Multi-factor authentication with Cisco Duo.
Source	Cisco Talos Blog

The above summary has been generated by an AI language model

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