Analysis of nvmedisk.sys: clean verdict, risk score 25/100. 0 YARA matches, 0/75 multi-engine detections. SHA256 c3ee7ff205c7cff7. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver nvmedisk.sys and assigned a verdict of Clean with a composite risk score of 25/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (25/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 75 |
| File size | 128400 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-04-01 |
| SHA256 | c3ee7ff205c7cff73f095d983d6109c0e208c248c1f7e7053fbfaecfdd7ec23a |
| SHA1 | 242e8a1bdc4209fee29baf28360e5d5d871d21f2 |
| MD5 | d2f1b8a9c695b32ba9ee6349b2c626a7 |
Version resource data embedded in the nvmedisk.sys PE header, as extracted by the analysis engine.
| File description | Nvme Disk Driver |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | nvmedisk.sys |
| Internal name | nvmedisk.sys |
| File version | 10.0.26100.7019 (WinBuild.160101.0800) |
| Copyright | © Microsoft Corporation. All rights reserved. |
Each component is scored 0-100 and then weighted into the composite. See the analysis methodology for the exact formula.
| Component | Sub-score |
|---|---|
| Multi-engine consensus | 0 / 100 |
| YARA signature matches | 0 / 100 |
| Dangerous kernel imports | 99 / 100 |
| IOCTL dispatch surface | 54 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 0 / 100 |
| Packing and entropy | 0 / 100 |
| Dynamic behaviour | 0 / 100 |
| CVE cross-reference | 0 / 100 |
Kernel-mode APIs resolved from the Import Address Table of nvmedisk.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmGetPhysicalAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ZwCreateKey | medium | Moderate risk - system modification capability |
| ZwClose | low | Standard kernel API - generally benign |
| KeSetEvent | low | Standard kernel API - generally benign |
| ZwOpenKey | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| KeInitializeEvent | low | Standard kernel API - generally benign |
| ExAllocatePool2 | low | Standard kernel API - generally benign |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| IoBuildDeviceIoControlRequest | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
Control codes reachable through the driver dispatch routine. Codes tied to published exploit code are flagged, since they are the primary Bring Your Own Vulnerable Driver (BYOVD) entry points.
| Code | Severity | Transfer | Description |
|---|---|---|---|
| 0x00347E83 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #4000 |
| 0x00227417 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3333 |
| 0x00223413 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3332 |
| 0x0034011B | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #70 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080249C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2343 |
| 0x0080DB05 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #1729 |
| 0x0080AD1C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2887 |
| 0x0022011E | medium | METHOD_OUT_DIRECT | FILE_DEVICE_UNKNOWN Function #71 |
| 0x0022641E | medium | METHOD_OUT_DIRECT | FILE_DEVICE_UNKNOWN Function #2311 |
| 0x0080B841 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3600 |
| 0x0080E281 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2208 |
| 0x0080EC81 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2848 |
| 0x00802494 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2341 |
| 0x0080C481 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #288 |
| 0x00340394 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #229 |
| 0x00340031 | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #12 |
| 0x00228024 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #9 |
Section layout and Shannon entropy. High entropy in a code section is a packing or encryption indicator.
| Section | Virtual size | Raw size | Entropy | Flags |
|---|---|---|---|---|
| .text | 0x63B7 | 0x7000 | 5.84 | CODE, EXEC, READ |
| fothk | 0x1000 | 0x1000 | 0.03 | CODE, EXEC, READ |
| .rdata | 0x14F8 | 0x2000 | 3.29 | IDATA, READ |
| .data | 0x025C | 0x1000 | 0.15 | IDATA, READ, WRITE |
| .pdata | 0x0678 | 0x1000 | 2.22 | IDATA, READ |
| .idata | 0x1348 | 0x2000 | 3.1 | IDATA, READ |
| PAGE | 0x4737 | 0x5000 | 5.77 | CODE, EXEC, READ |
| INIT | 0x043B | 0x1000 | 2.24 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x0084 | 0x1000 | 0.19 | IDATA, READ, DISCARD |
| .rsrc | 0x5578 | 0x6000 | 3.47 | IDATA, READ, DISCARD |
| .reloc | 0x0760 | 0x1000 | 2.95 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 100 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1003.001 | OS Credential Dumping: LSASS Memory | Credential Access |
| T1055.012 | Process Hollowing | Defense Evasion |
| T1068 | Exploitation for Privilege Escalation | Privilege Escalation |
| T1071 | Application Layer Protocol | Command and Control |
| T1112 | Modify Registry | Defense Evasion |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1543.003 | Windows Service | Persistence |
| T1547.001 | Registry Run Keys | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Production PCA 2011 |
| Serial | 3300000518418419ADCBAD294F000000000518 |
| Valid from | 2025-06-19 18:11 UTC |
| Valid until | 2026-06-17 18:11 UTC |
| Signature validity | Verified |
Engine angr, status completed, 100 paths explored at a maximum depth of 100. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, nvmedisk.sys is assessed as clean, with no notable risk signals. Its composite risk score is 25/100 (verdict: clean). Always validate findings independently before acting.
nvmedisk.sys has a DriverShield composite risk score of 25/100, placing it in the clean verdict band. SHA256: c3ee7ff205c7cff73f095d983d6109c0e208c248c1f7e7053fbfaecfdd7ec23a.
nvmedisk.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Microsoft Windows.
Related: Other drivers signed by Microsoft Windows · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas