Analysis of sssmbus.sys: clean verdict, risk score 8/100. 0 YARA matches, 0/76 multi-engine detections. SHA256 d286464e38c0b019. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver sssmbus.sys and assigned a verdict of Clean with a composite risk score of 8/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (8/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 76 |
| File size | 26672 bytes |
| Code-signing signer | Microsoft Windows Hardware Compatibility Publisher |
| Analyzed | 2026-04-14 |
| SHA256 | d286464e38c0b019a30fe439372217c22f4babec9f737122dbdf317e8cdacc73 |
| SHA1 | b135ac17700cb36d9f069e25137626859d740f8b |
| MD5 | a3da57074be995ff23410f34b25880d2 |
Version resource data embedded in the sssmbus.sys PE header, as extracted by the analysis engine.
| File description | SteelSeries SMBus Interface |
|---|---|
| Company | SteelSeries ApS |
| Original filename | sssmbus.sys |
| Internal name | sssmbus |
| File version | 1.2.1.0 |
| Copyright | Copyright (C) 2020 SteelSeries ApS |
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 | 0 / 100 |
| IOCTL dispatch surface | 30 / 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 sssmbus.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| DbgPrintEx | low | Standard kernel API - generally benign |
| KeDelayExecutionThread | 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 |
|---|---|---|---|
| 0x0080830F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #195 |
| 0x0022011F | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #71 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080C481 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #288 |
| 0x0022E315 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #2245 |
| 0x0022CF15 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #965 |
| 0x00342705 | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #2497 |
| 0x00341F0D | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #1987 |
| 0x0080007E | medium | METHOD_OUT_DIRECT | FILE_DEVICE_CUSTOM Function #31 |
| 0x00340288 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #162 |
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 | 0x22A8 | 0x2400 | 6.06 | CODE, EXEC, READ |
| .rdata | 0x0C90 | 0x0E00 | 4.76 | IDATA, READ |
| .data | 0x0358 | 0x0200 | 0.93 | IDATA, READ, WRITE |
| .pdata | 0x01EC | 0x0200 | 3.82 | IDATA, READ |
| INIT | 0x01F2 | 0x0200 | 4.58 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x02E8 | 0x0400 | 2.46 | IDATA, READ, DISCARD |
| .reloc | 0x003C | 0x0200 | 0.76 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 85 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1071 | Application Layer Protocol | Command and Control |
| T1543.003 | Windows Service | Persistence |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows Hardware Compatibility Publisher |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Third Party Component CA 2012 |
| Serial | 33000001095EDEA2127E9281CC000000000109 |
| Valid from | 2023-09-14 19:14 UTC |
| Valid until | 2024-09-04 19:14 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status completed, 29 paths explored at a maximum depth of 29. Vulnerability classes reached: 0. Exploitable paths: 2.
Based on DriverShield static and dynamic analysis, sssmbus.sys is assessed as clean, with no notable risk signals. Its composite risk score is 8/100 (verdict: clean). Always validate findings independently before acting.
sssmbus.sys has a DriverShield composite risk score of 8/100, placing it in the clean verdict band. SHA256: d286464e38c0b019a30fe439372217c22f4babec9f737122dbdf317e8cdacc73.
sssmbus.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 Hardware Compatibility Publisher.
Related: Other drivers signed by Microsoft Windows Hardware Compatibility Publisher · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas