WhisperGate can Base64 encode strings, store downloaded files in reverse byte order, and use the Eazfuscator tool to obfuscate its third stage.456
tool
WhisperGate S0689
- Type
- malware
- Platform
- Windows
- Created
- 10 March 2022
- Last modified
- 10 April 2024
WhisperGate is a multi-stage wiper designed to look like ransomware that has been used against multiple government, non-profit, and information technology organizations in Ukraine since at least January 2022.[1][2][3]
28
TechniquesTop 9%
8
TacticsTop 20%
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 S0689
WhisperGate has been disguised as a JPG extension to avoid detection as a malicious PE file.7
WhisperGate has the ability to inject its fourth stage into a suspended process created by the legitimate Windows utility InstallUtil.exe.89
WhisperGate can use PowerShell to support multiple actions including execution and defense evasion.101112
WhisperGate can use cmd.exe to execute commands.13
WhisperGate can use a Visual Basic script to exclude the C:\ drive from Windows Defender.1415
Standing S0689
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
Techniques28Top 9%
91st percentile · 91% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics8Top 20%
80th percentile · 80% of 825 ATT&CK software entries have this many tactics spanned or fewer.
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 S0689
1146 distinct rules cover the 28 techniques recorded for this tool. The 1228 technique-to-rule mappings resolve to 1146 distinct rules, because one rule can cover several techniques. 782 Sigma · 364 Splunk.
27 covered by at least one rule1 with no coverage1146 distinct rules in total
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