Exaramel for Windows stores the backdoor's configuration in the Registry in XML format.2
tool
Exaramel for Windows S0343
- Type
- malware
- Platform
- Windows
- Created
- 30 January 2019
- Last modified
- 16 April 2025
Exaramel for Windows is a backdoor used for targeting Windows systems. The Linux version is tracked separately under Exaramel for Linux.[1]
8
Techniques38th pct
6
Tactics53rd 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 S0343
The Exaramel for Windows dropper creates and starts a Windows service named wsmprovav with the description “Windows Check AV” in an apparent attempt to masquerade as a legitimate service.3
Exaramel for Windows has a command to launch a remote shell and executes commands on the victim’s machine.4
Exaramel for Windows has a command to execute VBS scripts on the victim’s machine.5
Exaramel for Windows specifies a path to store files scheduled for exfiltration.6
Exaramel for Windows adds the configuration to the Registry in XML format.7
Standing S0343
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.
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 / technique21.5med50th pct
50th percentile · 50% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique3.5med
Detection coverage S0343
351 distinct rules cover the 8 techniques recorded for this tool. The 365 technique-to-rule mappings resolve to 351 distinct rules, because one rule can cover several techniques. 221 Sigma · 130 Splunk.
8 covered by at least one rule351 distinct rules in total
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