Cyber threats / Threat actors

UAT-8837

CN Suspected sponsor: China
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APAC targets
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Techniques
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Incidents
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News · 30d
Profile

UAT-8837 is a sophisticated China-linked APT group exploiting critical zero-day vulnerabilities, such as CVE-2025-53690 in the Sitecore platform, to achieve remote code execution and deploy the WeepSteel backdoor for espionage and data exfiltration. The group targets high-value enterprise and government sectors, focusing on public-facing applications to gain initial access and conducting stealthy reconnaissance. UAT-8837 employs techniques like privilege escalation by creating administrative accounts and is linked to targeted intrusions aimed at credential harvesting and internal reconnaissance.

ATT&CK techniques
MITRE ATT&CK has no technique mapping for this actor.
Incidents attributed
  • No incident in the register is attributed to this actor.
In the news
  • No Asia-Pacific article names this actor yet.
Targets
No victim countries in the sources.
Relevance to the EU
EU relevance: Low
No EU member state among its known victims and no overlap with EU projects
No EU cooperation projects recorded in its target countries.
References
Sources: MISP