Analysis of SimpleSvm.sys: clean verdict, risk score 21/100. 1 YARA match, 37/75 multi-engine detections. SHA256 308b8a9b919d491a. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver SimpleSvm.sys and assigned a verdict of Clean with a composite risk score of 21/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (21/100) |
| YARA matches | 1 |
| Multi-engine detections | 37 / 75 |
| File size | 17776 bytes |
| Code-signing signer | Denuvo GmbH |
| Analyzed | 2026-06-15 |
| SHA256 | 308b8a9b919d491affb5de5f5edd0ec3232931fbfa688c204c57f225f0054883 |
| SHA1 | bb032ef8797ee9f69075928199aeede3a4c20cc9 |
| MD5 | c589d010fbc69abb1a16acaefb6f477d |
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 | 5 / 100 |
| Dangerous kernel imports | 100 / 100 |
| IOCTL dispatch surface | 15 / 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-mode APIs resolved from the Import Address Table of SimpleSvm.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapLockedPagesSpecifyCache | 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 |
| PsSetCreateProcessNotifyRoutine | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| PsLookupProcessByProcessId | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ObReferenceObjectByHandle | medium | Moderate risk - system modification capability |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| ExAllocatePool2 | 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 |
|---|---|---|---|
| 0x0080840F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #259 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080EC81 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2848 |
| 0x0080C481 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #288 |
| 0x0080F981 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3680 |
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 | 0x24D8 | 0x2600 | 6.17 | CODE, EXEC, READ |
| .rdata | 0x08A8 | 0x0A00 | 2.01 | IDATA, READ |
| .data | 0x00E0 | 0x0200 | 0.22 | IDATA, READ, WRITE |
| .pdata | 0x0180 | 0x0200 | 3.06 | IDATA, READ |
| INIT | 0x05DA | 0x0600 | 4.8 | CODE, EXEC, READ, DISCARD |
| .reloc | 0x0030 | 0x0200 | 0.59 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 100 / 100 |
| Rule | Severity | Detects |
|---|---|---|
| SUSP_Callbacks | medium | Kernel callback registration |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1003.001 | OS Credential Dumping: LSASS Memory | Credential Access |
| 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 |
| T1489 | Service Stop | Impact |
| T1543.003 | Windows Service | Persistence |
| T1562.001 | Impair Defenses: Disable/Modify Tools | 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 |
| Signer | Denuvo GmbH |
|---|---|
| Issuer | Denuvo GmbH |
| Serial | 5608B46BFBBACF9547ED83E733DE0C17 |
| Valid from | 2026-02-26 06:59 UTC |
| Valid until | 2027-02-26 07:19 UTC |
| Signature validity | Verified |
Engine angr, status completed, 3 paths explored at a maximum depth of 3. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, SimpleSvm.sys is assessed as clean, with no notable risk signals. Its composite risk score is 21/100 (verdict: clean). Always validate findings independently before acting.
SimpleSvm.sys has a DriverShield composite risk score of 21/100, placing it in the clean verdict band. SHA256: 308b8a9b919d491affb5de5f5edd0ec3232931fbfa688c204c57f225f0054883.
SimpleSvm.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Denuvo GmbH.
Related: Other drivers signed by Denuvo GmbH · What an IOCTL dispatch code is · How YARA matching feeds the score · BYOVD research index · full driver database · CVE library · code signing atlas