Analysis of usb8023.sys: clean verdict, risk score 14/100. 0 YARA matches. SHA256 11d4dab49846ad1b. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver usb8023.sys and assigned a verdict of Clean with a composite risk score of 14/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (14/100) |
| YARA matches | 0 |
| File size | 24064 bytes |
| Analyzed | 2026-03-22 |
| SHA256 | 11d4dab49846ad1b141e3d23173afc7e79456a937fa82bf88f1b0e76ff3d31d2 |
| SHA1 | 0a35adc15d52c0292d99b2ad03324e284036792d |
| MD5 | ac9ba01a5b139cd473d6db5566c2ee1b |
Version resource data embedded in the usb8023.sys PE header, as extracted by the analysis engine.
| File description | Remote NDIS USB Driver |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | usb8023.sys |
| Internal name | usb8023.sys |
| File version | 10.0.19041.4291 (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 | 45 / 100 |
| IOCTL dispatch surface | 27 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 50 / 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 usb8023.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapLockedPagesSpecifyCache | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| KeSetEvent | low | Standard kernel API - generally benign |
| KeInitializeEvent | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| ExFreePool | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | 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 |
|---|---|---|---|
| 0x0080870F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #451 |
| 0x0080878B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #482 |
| 0x008087C7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #497 |
| 0x00220007 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #1 |
| 0x00220013 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #4 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080888D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #547 |
| 0x00340398 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #230 |
| 0x0034002E | medium | METHOD_OUT_DIRECT | FILE_DEVICE_DISK Function #11 |
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 | 0x3969 | 0x3A00 | 6.06 | CODE, EXEC, READ |
| .rdata | 0x0630 | 0x0800 | 3.75 | IDATA, READ |
| .data | 0x00B8 | 0x0200 | 0.28 | IDATA, READ, WRITE |
| .pdata | 0x02F4 | 0x0400 | 3.31 | IDATA, READ |
| .idata | 0x05AE | 0x0600 | 4.25 | IDATA, READ |
| INIT | 0x0162 | 0x0200 | 4.41 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x0044 | 0x0200 | 0.59 | IDATA, READ, DISCARD |
| .rsrc | 0x0400 | 0x0400 | 3.4 | IDATA, READ, DISCARD |
| .reloc | 0x031C | 0x0400 | 4.23 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 80 / 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 |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1553.006 | Code Signing Policy Modification | Defense Evasion |
| T1652 | Device Driver Discovery | Discovery |
Engine angr, status no_findings, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, usb8023.sys is assessed as clean, with no notable risk signals. Its composite risk score is 14/100 (verdict: clean). Always validate findings independently before acting.
usb8023.sys has a DriverShield composite risk score of 14/100, placing it in the clean verdict band. SHA256: 11d4dab49846ad1b141e3d23173afc7e79456a937fa82bf88f1b0e76ff3d31d2.
usb8023.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators.
Related: What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas