MultiLayer Wiper contains two binaries in its resources section, MultiList and MultiWip. MultiLayer Wiper drops and executes each of these items when run, then deletes them after execution.2
tool
MultiLayer Wiper S1135
- Type
- malware
- Platform
- Windows
- Created
- 22 May 2024
- Last modified
- 29 August 2024
MultiLayer Wiper is wiper malware written in .NET associated with Agrius operations. Observed samples of MultiLayer Wiper have an anomalous, future compilation date suggesting possible metadata manipulation.[1]
14
Techniques61st pct
7
Tactics68th 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 S1135
MultiLayer Wiper creates a malicious scheduled task that launches a batch file to remove Windows Event Logs.3
MultiLayer Wiper uses a batch script launched via a scheduled task to delete Windows Event Logs.4
MultiLayer Wiper uses a batch script to clear file system cache memory via the ProcessIdleTasks export in advapi32.dll as an anti-analysis and anti-forensics technique.5
MultiLayer Wiper uses a batch file, remover.bat to delete malware artifacts and the batch file itself during execution.6
MultiLayer Wiper changes timestamps of overwritten files to either 1601.1.1 for NTFS filesystems, or 1980.1.1 for all other filesystems.7
Standing S1135
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
Techniques1461st pct
61st percentile · 61% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics768th pct
68th percentile · 68% 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 / technique28.5med72nd pct
72nd percentile · 72% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique7.5med
Detection coverage S1135
641 distinct rules cover the 14 techniques recorded for this tool. The 664 technique-to-rule mappings resolve to 641 distinct rules, because one rule can cover several techniques. 391 Sigma · 250 Splunk.
14 covered by at least one rule641 distinct rules in total
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