Analysis of fsdepends.sys: clean verdict, risk score 20/100. 0 YARA matches. SHA256 2d7676d3c7def062. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver fsdepends.sys and assigned a verdict of Clean with a composite risk score of 20/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (20/100) |
| YARA matches | 0 |
| File size | 71152 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-03-22 |
| SHA256 | 2d7676d3c7def0623929d563b3ee60cd6cea44e2c0b9fb4d63bd50c3c85b2912 |
| SHA1 | 675d3130f61e62e873328c5b2369e9be44a6d68e |
| MD5 | faf8481b2ebb27b48a4de6a4aa7599dc |
Version resource data embedded in the fsdepends.sys PE header, as extracted by the analysis engine.
| File description | File System Dependency Manager Mini Filter Driver |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | FsDepends.sys |
| Internal name | FsDepends.sys |
| File version | 10.0.19041.3636 (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 | 54 / 100 |
| IOCTL dispatch surface | 45 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 80 / 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 fsdepends.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ZwQuerySystemInformation | medium | Moderate risk - system modification capability |
| KeBugCheckEx | medium | Moderate risk - system modification capability |
| KeSetEvent | low | Standard kernel API - generally benign |
| IoBuildDeviceIoControlRequest | low | Standard kernel API - generally benign |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| KeInitializeEvent | low | Standard kernel API - generally benign |
| ZwOpenKey | low | Standard kernel API - generally benign |
| ZwQueryInformationFile | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| ZwQueryValueKey | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| SeAccessCheck | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | 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 |
|---|---|---|---|
| 0x0022011B | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #70 |
| 0x0080978B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1506 |
| 0x008086B7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #429 |
| 0x008080B7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #45 |
| 0x0022BF07 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #4033 |
| 0x0022B9FF | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3711 |
| 0x0080938B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1250 |
| 0x00808B8B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #738 |
| 0x0080EC81 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2848 |
| 0x00800028 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #10 |
| 0x0022B919 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #3654 |
| 0x0022BE41 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #3984 |
| 0x0080C481 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #288 |
| 0x00807000 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #3072 |
| 0x003403D4 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #245 |
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 | 0x1269 | 0x1400 | 5.83 | CODE, EXEC, READ |
| .rdata | 0x0CC0 | 0x0E00 | 4.71 | IDATA, READ |
| .data | 0x0258 | 0x0200 | 0.59 | IDATA, READ, WRITE |
| .pdata | 0x0414 | 0x0600 | 3.25 | IDATA, READ |
| .idata | 0x0D88 | 0x0E00 | 4.41 | IDATA, READ |
| PAGE | 0x9686 | 0x9800 | 6.25 | CODE, EXEC, READ |
| .edata | 0x01C5 | 0x0200 | 4.53 | IDATA, READ |
| INIT | 0x0552 | 0x0600 | 5.44 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x00AC | 0x0200 | 1.35 | IDATA, READ, DISCARD |
| .rsrc | 0x06B0 | 0x0800 | 2.93 | IDATA, READ, DISCARD |
| .reloc | 0x0814 | 0x0A00 | 4.9 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 85 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| 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 | 330000041331BC198807A90774000000000413 |
| Valid from | 2023-02-03 00:05 UTC |
| Valid until | 2024-02-01 00:05 UTC (expired) |
| Signature validity | Not verified |
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, fsdepends.sys is assessed as clean, with no notable risk signals. Its composite risk score is 20/100 (verdict: clean). Always validate findings independently before acting.
fsdepends.sys has a DriverShield composite risk score of 20/100, placing it in the clean verdict band. SHA256: 2d7676d3c7def0623929d563b3ee60cd6cea44e2c0b9fb4d63bd50c3c85b2912.
fsdepends.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