UNC4841
UNC4841 is a China-attributed nation-state APT group with an espionage motive, tracked by Brandefense. It targets 4 sectors, including Government and Technology. It uses 14 MITRE ATT&CK techniques and exploits 3 known CVEs.
- SLIME57
- Origin
- China
- Techniques
- 14
- Exploited CVEs
- 3
- First seen
- Oct 1, 2022
- Last seen
- Jun 30, 2023
- Record updated
Who They Target.
About UNC4841.
UNC4841 is a well-resourced threat actor that has utilized a wide range of malware and purpose-built tooling to enable their global espionage operations. They have been observed selectively deploying specific malware families at high priority targets, with SKIPJACK being the most widely deployed. UNC4841 primarily targeted government and technology organizations, but they have also been observed targeting other verticals.
Last updated Sep 21, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.