Analysis of eneio64.sys: vulnerable verdict, risk score 72/100. 0 YARA matches, 1/75 multi-engine detections. SHA256 9fc29480407e5179. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver eneio64.sys and assigned a verdict of Vulnerable with a composite risk score of 72/100, indicating a known or likely vulnerability surface (60-79 band).
| Verdict | Vulnerable (72/100) |
| YARA matches | 0 |
| Multi-engine detections | 1 / 75 |
| File size | 17480 bytes |
| Code-signing signer | Microsoft Windows Hardware Compatibility Publisher |
| Analyzed | 2026-09-06 |
| SHA256 | 9fc29480407e5179aa8ea41682409b4ea33f1a42026277613d6484e5419de374 |
| SHA1 | b4d014b5edd6e19ce0e8395a64faedf49688ecb5 |
| MD5 | 11fb599312cb1cf43ca5e879ed6fb71e |
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 | 78 / 100 |
| IOCTL dispatch surface | 12 / 100 |
| Known-vulnerable corpus | 100 / 100 |
| Code-signing state | 80 / 100 |
| Packing and entropy | 0 / 100 |
| Dynamic behaviour | 0 / 100 |
| CVE cross-reference | 40 / 100 |
Kernel-mode APIs resolved from the Import Address Table of eneio64.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| ZwMapViewOfSection | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| ObReferenceObjectByHandle | medium | Moderate risk - system modification capability |
| KeBugCheckEx | medium | Moderate risk - system modification capability |
| ZwClose | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| DbgPrint | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| IofCompleteRequest | 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 |
|---|---|---|---|
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080249C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2343 |
| 0x00808789 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #482 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
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 | 0x103C | 0x1200 | 5.8 | CODE, EXEC, READ |
| .rdata | 0x0144 | 0x0200 | 2.75 | IDATA, READ |
| .data | 0x0110 | 0x0200 | 0.3 | IDATA, READ, WRITE |
| .pdata | 0x0054 | 0x0200 | 0.74 | IDATA, READ |
| INIT | 0x02A6 | 0x0400 | 3.73 | CODE, EXEC, READ, WRITE, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Not enabled |
| DEP | Not enabled |
| Integrity check | Not enforced |
| Mitigation score | 5 / 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 |
| T1543.003 | Windows Service | Persistence |
| T1562.001 | Impair Defenses | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows Hardware Compatibility Publisher |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Third Party Component CA 2014 |
| Serial | 330000001F9800C911029569BE00000000001F |
| Valid from | 2017-10-05 17:44 UTC |
| Valid until | 2018-10-05 17:44 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status completed, 29 paths explored at a maximum depth of 29. Vulnerability classes reached: 1. Exploitable paths: 0.
Corpus match: this hash is present in the known-vulnerable driver corpus DriverShield cross-references during analysis, which is why the score carries a full weighting on that component.
Based on DriverShield static and dynamic analysis, eneio64.sys is flagged as vulnerable and is a potential Bring Your Own Vulnerable Driver (BYOVD) risk. Its composite risk score is 72/100 (verdict: vulnerable). Always validate findings independently before acting.
eneio64.sys has a DriverShield composite risk score of 72/100, placing it in the vulnerable verdict band. SHA256: 9fc29480407e5179aa8ea41682409b4ea33f1a42026277613d6484e5419de374.
eneio64.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 Hardware Compatibility Publisher.
Related: Other drivers signed by Microsoft Windows Hardware Compatibility Publisher · CVE-2022-32469 · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas