Vid.sys - Suspicious (58/100) - DriverShield Analysis

Analysis of Vid.sys: suspicious verdict, risk score 58/100. 2 YARA matches, 0/76 multi-engine detections. SHA256 dbeda17112616883. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.

Vid.sys - Analysis Report

DriverShield analyzed the Windows kernel driver Vid.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	2
Multi-engine detections	0 / 76
File size	910752 bytes
Code-signing signer	Microsoft Windows
Analyzed	2026-04-01
SHA256	dbeda1711261688305c3f093b9aa677758fbbf3cf90be878783b498633ea888b
SHA1	9ce9d02103dd5b6b39b604902cbfe7a62b81e24b
MD5	3e637c272b853d6a7a0bd1ad6eca6eb0

Driver identity

Version resource data embedded in the Vid.sys PE header, as extracted by the analysis engine.

File description	Microsoft Hyper-V Virtualization Infrastructure Driver
Product	Microsoft® Windows® Operating System
Company	Microsoft Corporation
Original filename	vid.sys
Internal name	vid.sys
File version	10.0.26100.7920 (WinBuild.160101.0800)
Copyright	© Microsoft Corporation. All rights reserved.

How the 58/100 score breaks down

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	35 / 100
Dangerous kernel imports	100 / 100
IOCTL dispatch surface	100 / 100
Known-vulnerable corpus	0 / 100
Code-signing state	0 / 100
Packing and entropy	0 / 100
Dynamic behaviour	0 / 100
CVE cross-reference	0 / 100

Kernel imports (24)

Kernel-mode APIs resolved from the Import Address Table of Vid.sys, ranked by exploitation relevance.

API	Risk	Why it matters
MmCopyVirtualMemory	critical	Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination
MmMapLockedPagesSpecifyCache	critical	Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination
ZwTerminateProcess	critical	Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination
ZwSetSystemInformation	high	Potentially dangerous - could be used for privilege escalation or security bypass
PsSetCreateProcessNotifyRoutine	high	Potentially dangerous - could be used for privilege escalation or security bypass
MmGetSystemRoutineAddress	high	Potentially dangerous - could be used for privilege escalation or security bypass
ObOpenObjectByPointer	medium	Moderate risk - system modification capability
ZwQuerySystemInformation	medium	Moderate risk - system modification capability
ZwSetInformationFile	medium	Moderate risk - system modification capability
MmUnmapIoSpace	medium	Moderate risk - system modification capability
ObReferenceObjectByHandle	medium	Moderate risk - system modification capability
ZwClose	low	Standard kernel API - generally benign
ExAllocatePool2	low	Standard kernel API - generally benign
IofCompleteRequest	low	Standard kernel API - generally benign
DbgPrintEx	low	Standard kernel API - generally benign
RtlInitUnicodeString	low	Standard kernel API - generally benign
ZwCreateFile	low	Standard kernel API - generally benign
KeSetEvent	low	Standard kernel API - generally benign
ProbeForWrite	low	Standard kernel API - generally benign
KeDelayExecutionThread	low	Standard kernel API - generally benign
KeWaitForSingleObject	low	Standard kernel API - generally benign
ZwOpenFile	low	Standard kernel API - generally benign
KeInitializeEvent	low	Standard kernel API - generally benign
PsGetCurrentProcess	low	Standard kernel API - generally benign

IOCTL dispatch codes (40)

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
0x0080838B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #226
0x0080B9FF	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #3711
0x0080860F	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #387
0x0080878B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #482
0x00806583	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #2400
0x0022BFFF	high	METHOD_NEITHER	FILE_DEVICE_UNKNOWN Function #4095
0x00221107	high	METHOD_NEITHER	FILE_DEVICE_UNKNOWN Function #1089
0x827338A3	high	METHOD_NEITHER	CUSTOM_VIRAGT Function #3624
0x0080858B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #354
0x00809D8B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #1890
0x0022BBFF	high	METHOD_NEITHER	FILE_DEVICE_UNKNOWN Function #3839
0x00340033	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #12
0x00800037	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #13
0x00800043	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #16
0x00800053	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #20
0x0080005F	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #23
0x0080003B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #14
0x0080004B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #18
0x00800057	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #21
0x00800047	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #17
0x0080008F	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #35
0x0080006B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #26
0x00800063	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #24
0x00800033	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #12

Showing 24 of 40 extracted control codes.

PE sections

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	0x1A8EA	0x1B000	6.25	CODE, EXEC, READ
NONPAGED	0x18564	0x19000	6.18	CODE, EXEC, READ
fothk	0x1000	0x1000	0.03	CODE, EXEC, READ
.rdata	0x19F68	0x1A000	5.62	IDATA, READ
.data	0x08E8	0x1000	0.25	IDATA, READ, WRITE
.pdata	0x5D24	0x6000	5.79	IDATA, READ
.idata	0x4846	0x5000	4.71	IDATA, READ
PAGE	0x6B03E	0x6C000	6.32	CODE, EXEC, READ
PAGED	0x0074	0x1000	0.3	CODE, EXEC, READ
INIT	0x0418	0x1000	2.3	CODE, EXEC, READ, DISCARD
GFIDS	0x0390	0x1000	1.57	IDATA, READ, DISCARD
.rsrc	0xCB08	0xD000	3.83	IDATA, READ, DISCARD
.reloc	0x3314	0x4000	4.94	IDATA, READ, DISCARD

Exploit mitigations

Control Flow Guard	Enabled
ASLR	Enabled
DEP	Enabled
Integrity check	Not enforced
Mitigation score	100 / 100

CFG Enabled - Control Flow Guard is active - indirect calls are validated against a bitmap of valid targets at runtime.
ASLR Enabled - Address Space Layout Randomization is active - base address is randomized on each load.
DEP/NX Enabled - Data Execution Prevention is active - non-executable pages cannot be executed.
Valid Signature - The driver has a valid, non-expired digital signature.

YARA rule matches (2)

Rule	Severity	Detects
SUSP_PhysMem	high	Physical memory mapping
SUSP_Callbacks	medium	Kernel callback registration

MITRE ATT&CK techniques (19)

Techniques this driver could enable if loaded by an adversary.

ID	Technique	Tactic
T1003	OS Credential Dumping	Credential Access
T1003.001	OS Credential Dumping: LSASS Memory	Credential Access
T1006	Direct Volume Access	Defense Evasion
T1014	Rootkit	Defense Evasion
T1055.001	Process Injection: DLL Injection	Defense Evasion
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
T1489	Service Stop	Impact
T1543.003	Windows Service	Persistence
T1547.001	Registry Run Keys	Persistence
T1553.002	Subvert Trust Controls: Code Signing	Defense Evasion
T1562.001	Disable/Modify Tools	Defense Evasion
T1562.006	Indicator Blocking	Defense Evasion
T1564.001	Hidden Files and Directories	Defense Evasion
T1569.002	Service Execution	Execution
T1652	Device Driver Discovery	Discovery

Code-signing chain

Signer	Microsoft Windows
Signer organisation	Microsoft Corporation
Issuer	Microsoft Windows Production PCA 2011
Serial	3300000519DADDAA8BDC44B292000000000519
Valid from	2025-06-19 18:11 UTC
Valid until	2026-06-17 18:11 UTC
Signature validity	Verified

Certificate revision: 0x0200
Certificate type: PKCS#7
Chain: Microsoft Windows Production PCA 2011

Symbolic execution

Engine angr, status static_approximation, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 0. Exploitable paths: 2.

Frequently asked questions about Vid.sys

Is Vid.sys safe?

Based on DriverShield static and dynamic analysis, Vid.sys shows some suspicious signals and warrants manual review. Its composite risk score is 58/100 (verdict: suspicious). Always validate findings independently before acting.

What is the risk score of Vid.sys?

Vid.sys has a DriverShield composite risk score of 58/100, placing it in the suspicious verdict band. SHA256: dbeda1711261688305c3f093b9aa677758fbbf3cf90be878783b498633ea888b.

What is Vid.sys?

Vid.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.