QuietSieve

MITRE ATT&CK: S0686 View on attack.mitre.org

Aliases: QuietSieve

First seen
2021-01-01 00:00:00
Malware type
credential-stealer, spyware
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 12:50:02

Targeted industries: government-and-public-sector

Targeted regions: country_code:ua

Context

QuietSieve is an information stealer that has been used by Gamaredon Group since at least 2021.

Detection coverage

  • 158 Sigma rules

Malware & tools used

  • Hidden Window (attack-pattern)
  • Web Protocols (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Internet Connection Discovery (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Peripheral Device Discovery (attack-pattern)
  • Data from Local System (attack-pattern)
  • Network Share Discovery (attack-pattern)
  • Screen Capture (attack-pattern)

Used by threat actors

Reports & references

  • Microsoft — Actinium Targets Ukrainian Organizations (report)
  • Microsoft — Actinium Targets Ukrainian Organizations (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Quietsieve (report)
  • MITRE ATT&CK — S0686 (report)

External references