Analysis of evbda.sys: suspicious verdict, risk score 58/100. 1 YARA match, 0/75 multi-engine detections. SHA256 60fe372e60f53209. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver evbda.sys and assigned a verdict of Suspicious with a composite risk score of 58/100, indicating some risk signals warranting review (30-59 band).
| Verdict | Suspicious (58/100) |
| YARA matches | 1 |
| Multi-engine detections | 0 / 75 |
| File size | 3441568 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-10-11 |
| SHA256 | 60fe372e60f532099a242ef73c24c142ceb66ce7b1f7ca48b826a02d9dd513c9 |
| SHA1 | d564e4461e032360d5ce57add1e1fe9a5e093940 |
| MD5 | 12c40357b8103bf60f7485498c914cf3 |
Version resource data embedded in the evbda.sys PE header, as extracted by the analysis engine.
| File description | QLogic 10 GigE VBD |
|---|---|
| Product | QLogic 10 GigE |
| Company | Marvell Semiconductor Inc. |
| Original filename | evbda.sys |
| Internal name | evbda.sys" FW Ver:7.13.11.0 FW Compile:1 |
| File version | 7.13.171.102 |
| Copyright | (C)COPYRIGHT 2010-2020 Marvell(R). 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 | 30 / 100 |
| Dangerous kernel imports | 100 / 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 evbda.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ZwSetValueKey | medium | Moderate risk - system modification capability |
| ZwCreateKey | medium | Moderate risk - system modification capability |
| ZwQuerySystemInformation | medium | Moderate risk - system modification capability |
| ObReferenceObjectByHandle | medium | Moderate risk - system modification capability |
| MmUnmapIoSpace | medium | Moderate risk - system modification capability |
| DbgPrint | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| ZwOpenKey | low | Standard kernel API - generally benign |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| IoBuildDeviceIoControlRequest | low | Standard kernel API - generally benign |
| KeInitializeEvent | 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 |
| KeSetEvent | 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 |
|---|---|---|---|
| 0x00222000 | medium (known exploit) | METHOD_BUFFERED | Driver communication init |
| 0x008054C7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1329 |
| 0x00343D07 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #3905 |
| 0x0080850F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #323 |
| 0x008054C3 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1328 |
| 0x0022E8CB | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #2610 |
| 0x0022BB07 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3777 |
| 0x0080840F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #259 |
| 0x00341883 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #1568 |
| 0x00340883 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #544 |
| 0x00342083 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #2080 |
| 0x00340083 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #32 |
| 0x00341083 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #1056 |
| 0x0080878B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #482 |
| 0x0080BB1F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3783 |
| 0x00228303 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #192 |
| 0x0034B4BB | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #3374 |
| 0x0080B8D7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3637 |
| 0x00347B83 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #3808 |
| 0x0080A783 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2528 |
| 0x0080838B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #226 |
| 0xC350BA1B | high | METHOD_NEITHER | CUSTOM_MSI Function #3718 |
| 0x00346583 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #2400 |
| 0x00800C93 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #804 |
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 | 0x11E5AA | 0x11E600 | 6.4 | CODE, EXEC, READ |
| .rdata | 0x210A0C | 0x210C00 | 3.99 | IDATA, READ |
| .data | 0x33FA0 | 0xC400 | 2.74 | IDATA, READ, WRITE |
| .pdata | 0x5CB8 | 0x5E00 | 5.87 | IDATA, READ |
| PAGE | 0x016C | 0x0200 | 4.87 | CODE, EXEC, READ |
| INIT | 0x0ACE | 0x0C00 | 4.9 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x3060 | 0x3200 | 3.45 | IDATA, READ, DISCARD |
| .reloc | 0x0450 | 0x0600 | 4.12 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 85 / 100 |
| Rule | Severity | Detects |
|---|---|---|
| SUSP_PhysMem | high | Physical memory mapping |
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 |
| 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 | 3300000460CF42A912315F6FB3000000000460 |
| Valid from | 2023-11-16 19:20 UTC |
| Valid until | 2024-11-14 19:20 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: 0.
Based on DriverShield static and dynamic analysis, evbda.sys shows some suspicious signals and warrants manual review. Its composite risk score is 58/100 (verdict: suspicious). Always validate findings independently before acting.
evbda.sys has a DriverShield composite risk score of 58/100, placing it in the suspicious verdict band. SHA256: 60fe372e60f532099a242ef73c24c142ceb66ce7b1f7ca48b826a02d9dd513c9.
evbda.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 · How YARA matching feeds the score · BYOVD research index · full driver database · CVE library · code signing atlas