Winter Vivern is a cyberespionage group first revealed by DomainTools in 2021. It is thought to have been active since at least 2020 and it targets governments in Europe and Central Asia. To compromise its targets, the group uses malicious documents, phishing websites, and a custom PowerShell backdoor.
The same group is tracked under different names by different vendors.
| Vendor | Name |
|---|---|
| OSINT | UAC-0114 |
| OSINT | TA473 |
| OSINT | TAG-70 |
| OSINT | TA-473 |
Victim countries: Germany
No IOCs extracted yet from reports naming this actor.
Every report in the Global Intel Library that names Winter Vivern, newest first. Open any report to see the full analysis with provenance.
No reports in the Lore library name this actor yet.
Indicators from free threat feeds (abuse.ch ThreatFox, AlienVault OTX) attributed to Winter Vivern. Each row shows why it was linked and where it came from.
No feed indicators linked to this actor yet. Feeds are checked every hour.
Open-source reports about this actor collected from MISP Galaxy and MITRE ATT&CK.