CampaignPublished 5 May 2026

UAT-8302 and its box full of malware

Source Cisco Talos

Description

UAT-8302 is a sophisticated advanced persistent threat (APT) group with a China nexus, disclosed by Cisco Talos. This group has targeted government entities in South America since late 2024 and expanded operations to government agencies in southeastern Europe in 2025. The threat involves a box full of malware used in these targeted attacks. There is no indication of known exploits in the wild or specific affected software versions. The severity is assessed as medium based on the nature of the threat and targeted sectors.

Impact

The impact involves targeted espionage or cyber operations against government entities in South America and southeastern Europe. While the malware is sophisticated, there is no evidence of widespread exploitation or direct compromise of widely used software products. The threat is focused on specific geopolitical targets, potentially enabling data theft or disruption within those government agencies.

Defensive guidance

No patches or official fixes are available or applicable as this is a threat actor and malware campaign rather than a software vulnerability. Organizations in the targeted regions should review Cisco Talos's detailed advisory for indicators of compromise and recommended defensive measures. General vigilance and threat hunting for related malware activity are advised. Patch status is not applicable.

Summary

Cisco Talos disclosed UAT-8302, an advanced persistent threat group linked to China, conducting targeted malware campaigns against government entities in South America and southeastern Europe over 2024-2025. The group employs a variety of malware tools in their operations. No specific software vulnerabilities or affected versions are identified, and no known exploits in the wild have been reported. The disclosure provides detailed technical analysis and context in the linked Cisco Talos article.

References

blog.talosintelligence.com/uat-8302/ (opens in a new tab)

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AI analysisMachine-generated, updated 4 Jun 2026, 19:48 UTC

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