Analysis of e1r63x64.sys: clean verdict, risk score 29/100. 0 YARA matches, 0/75 multi-engine detections. SHA256 ad9d5fa3406c0923. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver e1r63x64.sys and assigned a verdict of Clean with a composite risk score of 29/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (29/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 75 |
| File size | 523248 bytes |
| Code-signing signer | Intel(R) Intel Network Drivers |
| Analyzed | 2026-09-18 |
| SHA256 | ad9d5fa3406c0923e68ef0add398a86ea79111f6cc5338b6ffb0840a7d7bb225 |
| SHA1 | df7e7fecb073160560e351115330e53a211c5e65 |
| MD5 | 817b0daf4b9a10ab345f692c7e1788a0 |
Version resource data embedded in the e1r63x64.sys PE header, as extracted by the analysis engine.
| File description | Intel(R) Gigabit Adapter NDIS 6.x driver |
|---|---|
| Product | Intel(R) Gigabit Adapter |
| Company | Intel Corporation |
| Original filename | e1r63x64.sys |
| Internal name | e1r63x64.sys |
| File version | 12.14.7.0 |
| Copyright | Copyright(C) 2013, Intel 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 | 69 / 100 |
| IOCTL dispatch surface | 100 / 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 e1r63x64.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapLockedPagesSpecifyCache | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| ZwOpenFile | low | Standard kernel API - generally benign |
| ZwClose | 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 |
|---|---|---|---|
| 0x00801883 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1568 |
| 0x00806C1F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2823 |
| 0x0080741F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3335 |
| 0x008085C7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #369 |
| 0x0080840F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #259 |
| 0x00803C1F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3847 |
| 0x0080381F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3591 |
| 0x0080281F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2567 |
| 0x0080301F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3079 |
| 0x0080408B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #34 |
| 0x0080BB07 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3777 |
| 0x00801447 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1297 |
| 0x0022BAFF | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3775 |
| 0x008000BF | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #47 |
| 0x0080B8FF | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3647 |
| 0x0080858B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #354 |
| 0x0080863F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #399 |
| 0x0080888B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #546 |
| 0x00227423 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3336 |
| 0x00223423 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3336 |
| 0x00225417 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #1285 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
| 0x00223BE8 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #3834 |
Showing 24 of 40 extracted control codes.
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 | 0x648FB | 0x64A00 | 6.43 | CODE, EXEC, READ |
| .rdata | 0x3350 | 0x3400 | 5.39 | IDATA, READ |
| .data | 0xD2BC | 0xCE00 | 5.53 | IDATA, READ, WRITE |
| .pdata | 0x2DCC | 0x2E00 | 5.67 | IDATA, READ |
| PAGE | 0x04FC | 0x0600 | 5.41 | CODE, EXEC, READ |
| .edata | 0x004B | 0x0200 | 0.86 | IDATA, READ |
| INIT | 0x0ECA | 0x1000 | 4.96 | CODE, EXEC, READ, WRITE, DISCARD |
| .rsrc | 0x3628 | 0x3800 | 3.58 | IDATA, READ, DISCARD |
| .reloc | 0x00D0 | 0x0200 | 2.69 | IDATA, READ, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 55 / 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 |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Intel(R) Intel Network Drivers |
|---|---|
| Signer organisation | Intel Corporation |
| Issuer | Intel External Basic Issuing CA 3B |
| Serial | 330000B4A079ACCD956034E6AE00020000B4A0 |
| Valid from | 2014-09-25 20:18 UTC |
| Valid until | 2015-09-25 20:18 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status static_approximation, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 0. Exploitable paths: 1.
Based on DriverShield static and dynamic analysis, e1r63x64.sys is assessed as clean, with no notable risk signals. Its composite risk score is 29/100 (verdict: clean). Always validate findings independently before acting.
e1r63x64.sys has a DriverShield composite risk score of 29/100, placing it in the clean verdict band. SHA256: ad9d5fa3406c0923e68ef0add398a86ea79111f6cc5338b6ffb0840a7d7bb225.
e1r63x64.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Intel(R) Intel Network Drivers.
Related: Other drivers signed by Intel(R) Intel Network Drivers · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas