Analysis of KNetPwrDepBroker.sys: clean verdict, risk score 10/100. 0 YARA matches. SHA256 f36f555d8d945d6d. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver KNetPwrDepBroker.sys and assigned a verdict of Clean with a composite risk score of 10/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (10/100) |
| YARA matches | 0 |
| File size | 32256 bytes |
| Analyzed | 2026-03-22 |
| SHA256 | f36f555d8d945d6dcc9c431762a1db490d314426e0af049a902f97b70738140b |
| SHA1 | a5020f4918d726c528f542fb5e2d7ab3f2d5e25e |
| MD5 | bcfb400c3b2fe35f9db29b97b419fadc |
Version resource data embedded in the KNetPwrDepBroker.sys PE header, as extracted by the analysis engine.
| File description | Network Power Dependency Broker |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | KNetPwrDepBroker.sys |
| Internal name | KNetPwrDepBroker.sys |
| File version | 10.0.19041.4842 (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 | 15 / 100 |
| IOCTL dispatch surface | 36 / 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 KNetPwrDepBroker.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| KeInitializeEvent | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| KeSetEvent | low | Standard kernel API - generally benign |
| RtlInitAnsiString | 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 |
|---|---|---|---|
| 0x00342015 | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #2053 |
| 0x0034A735 | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #2509 |
| 0x00808589 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #354 |
| 0x0080005D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #23 |
| 0x00802494 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2341 |
| 0x00228341 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #208 |
| 0x0080BA41 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3728 |
| 0x0080BA00 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #3712 |
| 0x00808D8D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #867 |
| 0x003403D0 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #244 |
| 0x0034002E | medium | METHOD_OUT_DIRECT | FILE_DEVICE_DISK Function #11 |
| 0x00340038 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #14 |
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 | 0x2729 | 0x2800 | 5.92 | CODE, EXEC, READ |
| .rdata | 0x1230 | 0x1400 | 4.73 | IDATA, READ |
| .data | 0x0208 | 0x0200 | 0.57 | IDATA, READ, WRITE |
| .pdata | 0x0378 | 0x0400 | 3.69 | IDATA, READ |
| .idata | 0x0650 | 0x0800 | 3.72 | IDATA, READ |
| NONPAGE | 0x00B0 | 0x0200 | 0.22 | IDATA, READ, WRITE |
| PAGE | 0x1C35 | 0x1E00 | 5.93 | CODE, EXEC, READ |
| .edata | 0x01B7 | 0x0200 | 4.48 | IDATA, READ |
| INIT | 0x0036 | 0x0200 | 0.88 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x006C | 0x0200 | 0.89 | IDATA, READ, DISCARD |
| .rsrc | 0x0438 | 0x0600 | 2.57 | IDATA, READ, DISCARD |
| .reloc | 0x02A0 | 0x0400 | 3.5 | 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 |
|---|---|---|
| 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, KNetPwrDepBroker.sys is assessed as clean, with no notable risk signals. Its composite risk score is 10/100 (verdict: clean). Always validate findings independently before acting.
KNetPwrDepBroker.sys has a DriverShield composite risk score of 10/100, placing it in the clean verdict band. SHA256: f36f555d8d945d6dcc9c431762a1db490d314426e0af049a902f97b70738140b.
KNetPwrDepBroker.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