Ember Bear
Also tracked as UNC2589, Bleeding Bear, DEV-0586, Cadet Blizzard, Frozenvista, UAC-0056
Ember Bear is a Russian state-sponsored cyber espionage group that has been active since at least 2020, linked to Russia's General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155). Ember Bear has primarily focused operations against Ukrainian government and telecommunication entities, but has also operated against critical infrastructure entities in Europe and the Americas. Ember Bear conducted the WhisperGate destructive wiper attacks against Ukraine in early 2022. There is some confusion as to whether Ember Bear overlaps with another Russian-linked entity referred to as Saint Bear. At present available evidence strongly suggests these are distinct activities with different behavioral profiles.
- Known attack methods
- 47
- Origin
- Russia
- Motive
- Espionage, Sabotage
- First seen
- 2020
- Source
- MITRE ATT&CK
How they break in
Techniques MITRE has documented this group using, mapped onto the ATT&CK matrix. Each one is a behaviour you can look for in your own logs, and a control you can test.
Reconnaissance
12 techniques · 1 used
Resource Development
9 techniques · 3 used
Initial Access
11 techniques · 2 used
Execution
20 techniques · 4 used
Persistence
22 techniques · 2 used
Privilege Escalation
13 techniques
Stealth
30 techniques · 3 used
Defense Impairment
18 techniques · 1 used
Credential Access
17 techniques · 3 used
Discovery
34 techniques · 3 used
Lateral Movement
9 techniques · 4 used
Collection
17 techniques · 5 used
Command and Control
18 techniques · 5 used
Exfiltration
9 techniques · 1 used
Impact
15 techniques · 2 used
Reconnaissance2
Resource development5
Execution4
Persistence2
Stealth4
Defense impairment1
Credential access7
Lateral movement4
Collection5
Command and control5
Exfiltration1
Malware
Families MITRE records this group deploying. Detection names for these are a reasonable place to start.
Tools
Legitimate or dual-use software the group is documented using. Most of it is software your own administrators use too, which is the point.