GREYVIBE is a low-to-moderately sophisticated threat actor associated with Russian state interests, primarily targeting Ukrainian entities. The group employs custom malware like LegionRelay and PhantomRelay, utilizing techniques such as decoy-and-payload execution logic and systematic use of GenAI and LLMs throughout their operations. Their campaigns exhibit operational overlaps with other groups, including shared C2 infrastructure and post-compromise tooling. WithSecure has identified design flaws in their malware that have provided insights into their victimology and operational behavior.
The same group is tracked under different names by different vendors.
| Vendor | Name |
|---|---|
| Various | GreyVibe |
No techniques mapped yet.
No IOCs extracted yet from reports naming this actor.
Every report in the Global Intel Library that names GreyVibe, 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 GreyVibe. 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.