tool
ROKRAT S0240
- Type
- malware
- Platform
- Windows
- Created
- 17 October 2018
- Last modified
- 25 April 2025
ROKRAT is a cloud-based remote access tool (RAT) used by APT37 to target victims in South Korea. APT37 has used ROKRAT during several campaigns from 2016 through 2021.[1][2][3]
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0240
ROKRAT can use the GetForegroundWindow and GetWindowText APIs to discover where the user is typing.7
ROKRAT can access the HKLM\System\CurrentControlSet\Services\mssmbios\Data\SMBiosData Registry key to obtain the System manufacturer value to identify the machine type.8
ROKRAT can encrypt data prior to exfiltration by using an RSA public key.910
ROKRAT can send collected files back over same C2 channel.12
Standing S0240
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
92nd percentile · 92% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
98th percentile · 98% of 825 ATT&CK software entries have this many tactics spanned or fewer.
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
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
48th percentile · 52% of 825 ATT&CK software entries have more detection rules per technique.
Detection coverage S0240
997 distinct rules cover the 30 techniques recorded for this tool. The 1062 technique-to-rule mappings resolve to 997 distinct rules, because one rule can cover several techniques. 658 Sigma · 339 Splunk.
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