PRIVATELOG

First seen
2021-07-01 00:00:00
Malware type
loader
Profile updated
2026-07-07 15:16:18

Context

Malware that abuses the Common Log File System (CLFS) to store/hide a second stage payload via registry transaction files.

Reports & references

  • malpedia.caad.fkie.fraunhofer.de — Win.Privatelog (report)
  • twitter.com — 1433819369784610828 (report)
  • cybereason.com — Operation Cuckoobees Deep Dive Into Stealthy Winnti Techniques (report)
  • Mandiant — Unknown Actor Using Clfs Log Files For Stealth (report)
  • cybereason.com — Operation Cuckoobees A Winnti Malware Arsenal Deep Dive (report)

External references