Operation Emmental, also known as the Retefe gang, is a threat actor group that has been active since at least 2012. They primarily target customers of banks in countries such as Austria, Sweden, Switzerland, and Japan. The group has developed sophisticated malware, including a Mac alternative called Dok, to bypass two-factor authentication and hijack network traffic. They have also been observed using phishing emails to spread their malware. The group is believed to be Russian-speaking and has continuously improved their malicious codes over the years.
The same group is tracked under different names by different vendors.
| Vendor | Name |
|---|---|
| OSINT | Retefe Gang |
| OSINT | Retefe Group |
No techniques mapped yet.
No IOCs extracted yet from reports naming this actor.
Every report in the Global Intel Library that names Operation Emmental, 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 Operation Emmental. 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.