mmcss.sys - Clean (26/100) - DriverShield Analysis
Analysis of mmcss.sys: clean verdict, risk score 26/100. 0 YARA matches, 0/76 multi-engine detections. SHA256 f04f54f31221fb21. 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 26/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (26/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 76 |
| File size | 94208 bytes |
| Analyzed | 2026-03-23 |
| SHA256 | f04f54f31221fb21b0695a20fa04d4a43859408b8a026d7f736a5e76096a31b2 |
| SHA1 | 112c5d4ab7656b84f04c93893f808190fe5f44c9 |
| MD5 | 8b4813b89d91f724b3c1a1e02e7ad9c2 |
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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