ZeroCleare can receive command line arguments from an operator to corrupt the file system using the RawDisk driver.5
tool
ZeroCleare S1151
- Type
- malware
- Platform
- Windows
- Created
- 8 August 2024
- Last modified
- 4 September 2024
ZeroCleare is a wiper malware that has been used in conjunction with the RawDisk driver since at least 2019 by suspected Iran-nexus threat actors including activity targeting the energy and industrial sectors in the Middle East and political targets in Albania.[1][2][3][4]
8
Techniques38th pct
6
Tactics53rd pct
1
Threat groupunranked
1
Campaignunranked
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1151
ZeroCleare can use a malicious PowerShell script to bypass Windows controls.6
ZeroCleare has used a vulnerable signed VBoxDrv driver to bypass Microsoft Driver Signature Enforcement (DSE) protections and subsequently load the unsigned RawDisk driver.7
ZeroCleare has the ability to uninstall the RawDisk driver and delete the rwdsk file on disk.89
ZeroCleare can call the GetSystemDirectoryW API to locate the system directory.10
ZeroCleare can deploy a vulnerable, signed driver on a compromised host to bypass operating system safeguards.11
Standing S1151
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
Techniques838th pct
38th percentile · 62% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics653rd pct
53rd percentile · 53% 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.
Campaign185% 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 / technique22med53rd pct
53rd percentile · 53% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique1.5med
Detection coverage S1151
566 distinct rules cover the 8 techniques recorded for this tool. The 577 technique-to-rule mappings resolve to 566 distinct rules, because one rule can cover several techniques. 387 Sigma · 179 Splunk.
7 covered by at least one rule1 with no coverage566 distinct rules in total
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