QuietSieve can collect files from a compromised host.2
tool
QuietSieve S0686
- Type
- malware
- Platform
- Windows
- Created
- 18 February 2022
- Last modified
- 16 April 2025
QuietSieve is an information stealer that has been used by Gamaredon Group since at least 2021.[1]
9
Techniques44th pct
4
Tactics32nd pct
1
Threat groupunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0686
QuietSieve can check C2 connectivity with a ping to 8.8.8.8 (Google public DNS).3
QuietSieve can use HTTPS in C2 communications.4
QuietSieve can search files on the target host by extension, including doc, docx, xls, rtf, odt, txt, jpg, pdf, rar, zip, and 7z.5
QuietSieve can download and execute payloads on a target host.6
QuietSieve has taken screenshots every five minutes and saved them to the user's local Application Data folder under Temp\SymbolSourceSymbols\icons or Temp\ModeAuto\icons.7
Standing S0686
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques944th pct
44th percentile · 56% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics432nd pct
32nd percentile · 68% of 825 ATT&CK software entries have more tactics spanned.
Threat group161% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaigns085% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique16med38th pct
38th percentile · 62% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique5med
Detection coverage S0686
275 distinct rules cover the 9 techniques recorded for this tool. The 282 technique-to-rule mappings resolve to 275 distinct rules, because one rule can cover several techniques. 193 Sigma · 82 Splunk.
9 covered by at least one rule275 distinct rules in total
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