mmcss.sys - Clean (23/100) - DriverShield Analysis
Analysis of mmcss.sys: clean verdict, risk score 23/100. 0 YARA matches. SHA256 e5a59b7ba1ba193f. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
mmcss.sys - Analysis Report
DriverShield analyzed the Windows kernel driver mmcss.sys and assigned a verdict of Clean with a composite risk score of 23/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (23/100) |
| YARA matches | 0 |
| File size | 53248 bytes |
| Analyzed | 2026-03-22 |
| SHA256 | e5a59b7ba1ba193f5b9a69cf7d77343f7c197a3df23d0eaa553d9df765b1e9f2 |
| SHA1 | 86b2ca9d6ec50e2e63236c9939e52b47d1e3cc86 |
| MD5 | e75d0bdeb7df7079cb994dbebb36e94c |
The full report includes the kernel Import Address Table, extracted IOCTL dispatch codes, YARA rule names, MITRE ATT&CK technique mapping, and the Authenticode certificate chain. See the analysis methodology for how the risk score is computed, or browse the driver database for related samples.
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