UAC-0056
UAC-0056 is a Russia-attributed nation-state APT group with an espionage motive, tracked by Brandefense. It targets 11 sectors, including Government and Technology, in 18 countries, including the United States and the United Kingdom. It uses 87 MITRE ATT&CK techniques and exploits 15 known CVEs.
Also known as
- Origin
- Russia
- Techniques
- 87
- Exploited CVEs
- 15
- Record updated
Who They Target.
Sectors · 11
Countries · 18
Labelsespionage
About UAC-0056.
Saint Bear is a Russian-nexus threat actor active since early 2021, primarily targeting entities in Ukraine and Georgia. The group is notable for a specific remote access tool, Saint Bot, and information stealer, OutSteel in campaigns.
Last updated Oct 19, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.