iaStorVD.sys - Suspicious (36/100) - DriverShield Analysis

Analysis of iaStorVD.sys: suspicious verdict, risk score 36/100. 2 YARA matches, 0/75 multi-engine detections. SHA256 9615286619e6034a. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.

iaStorVD.sys - Analysis Report

DriverShield analyzed the Windows kernel driver iaStorVD.sys and assigned a verdict of Suspicious with a composite risk score of 36/100, indicating some risk signals warranting review (30-59 band).

Verdict	Suspicious (36/100)
YARA matches	2
Multi-engine detections	0 / 75
File size	1624672 bytes
Code-signing signer	Sectigo Public Code Signing Root R46
Analyzed	2026-04-01
SHA256	9615286619e6034ab7f7f350dd846f1519a978efe5e0107267e67d4e4d8c0747
SHA1	2b7382bacc4c977db8b61a20f816bd0198c3466e
MD5	29d111ff76562239f4d5de30a0b067a5

Driver identity

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

File description	Intel(R) Rapid Storage Technology driver - x64
Product	Intel(R) Rapid Storage Technology driver
Company	Intel Corporation
Original filename	iaStorVD.sys
Internal name	iaStorVD.sys
File version	20.2.7.1026
Copyright	Copyright (C), Intel Corporation. All rights reserved.

How the 36/100 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 (16)

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

API	Risk	Why it matters
MmMapIoSpace	critical	Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination
MmGetPhysicalAddress	high	Potentially dangerous - could be used for privilege escalation or security bypass
PsSetCreateProcessNotifyRoutineEx	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
MmUnmapIoSpace	medium	Moderate risk - system modification capability
ZwSetValueKey	medium	Moderate risk - system modification capability
ObReferenceObjectByHandle	medium	Moderate risk - system modification capability
IoBuildDeviceIoControlRequest	low	Standard kernel API - generally benign
ZwOpenKey	low	Standard kernel API - generally benign
KeInitializeEvent	low	Standard kernel API - generally benign
KeDelayExecutionThread	low	Standard kernel API - generally benign
RtlInitAnsiString	low	Standard kernel API - generally benign
KeSetEvent	low	Standard kernel API - generally benign
RtlInitUnicodeString	low	Standard kernel API - generally benign
KeWaitForSingleObject	low	Standard kernel API - generally benign
ZwClose	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
0x0080840F	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #259
0x0034509F	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #1063
0x00343897	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #3621
0x0034588B	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #1570
0x003448AF	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #555
0x0034588F	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #1571
0x0034508B	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #1058
0x008082C7	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #177
0x00800C4B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #786
0x008086C7	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #433
0x0080AA8B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #2722
0x0022BAFF	high	METHOD_NEITHER	FILE_DEVICE_UNKNOWN Function #3775
0x0080878B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #482
0x008087C7	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #497
0x0080FFFF	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #4095
0x0080808B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #34
0x00802C43	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #2832
0x0080818B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #98
0x0080838B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #226
0x00808B8B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #738
0x003440F7	high	METHOD_NEITHER	FILE_DEVICE_DISK Function #61
0x0080B98B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #3682
0x0080938B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #1250
0x0080888B	high	METHOD_NEITHER	FILE_DEVICE_CUSTOM Function #546

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	0x15886E	0x158A00	6.52	CODE, EXEC, READ
.rdata	0x1BA28	0x1BC00	5.65	IDATA, READ
.data	0x76EAC	0x1600	3.69	IDATA, READ, WRITE
.pdata	0xE628	0xE800	6.15	IDATA, READ
PAGE	0x05AC	0x0600	5.95	CODE, EXEC, READ
INIT	0x0F94	0x1000	5.13	CODE, EXEC, READ, DISCARD
.rsrc	0x09C8	0x0A00	3.55	IDATA, READ
.reloc	0x0CC0	0x0E00	5.29	IDATA, READ, DISCARD

Exploit mitigations

Control Flow Guard	Enabled
ASLR	Enabled
DEP	Enabled
Integrity check	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.
• Force Integrity - IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY is set - the OS validates the signature before loading.

YARA rule matches (2)

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

MITRE ATT&CK techniques (16)

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
T1055.012	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
T1562.006	Indicator Blocking	Defense Evasion
T1564.001	Hidden Files and Directories	Defense Evasion
T1569.002	System Services: Service Execution	Execution
T1652	Device Driver Discovery	Discovery

Code-signing chain

Signer	Sectigo Public Code Signing Root R46
Signer organisation	Sectigo Limited
Issuer	AAA Certificate Services
Serial	48FC93B46055948D36A7C98A89D69416
Valid from	2021-05-25 00:00 UTC
Valid until	2028-12-31 23:59 UTC
Signature validity	Verified

• Certificate revision: 0x0200
• Certificate type: PKCS#7
• Chain: Sectigo Public Code Signing CA EV R36
• Chain: Intel Corporation

Symbolic execution

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

Frequently asked questions about iaStorVD.sys

Is iaStorVD.sys safe?

Based on DriverShield static and dynamic analysis, iaStorVD.sys shows some suspicious signals and warrants manual review. Its composite risk score is 36/100 (verdict: suspicious). Always validate findings independently before acting.

What is the risk score of iaStorVD.sys?

iaStorVD.sys has a DriverShield composite risk score of 36/100, placing it in the suspicious verdict band. SHA256: 9615286619e6034ab7f7f350dd846f1519a978efe5e0107267e67d4e4d8c0747.

What is iaStorVD.sys?

iaStorVD.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Sectigo Public Code Signing Root R46.

Related: Other drivers signed by Sectigo Public Code Signing Root R46 · What an IOCTL dispatch code is · How YARA matching feeds the score · BYOVD research index · full driver database · CVE library · code signing atlas

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