Analysis of PawnIO_2.sys: suspicious verdict, risk score 58/100. 2 YARA matches, 0/75 multi-engine detections. SHA256 fca6e7d58b0cf38d. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver PawnIO_2.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 / 75 |
| File size | 136504 bytes |
| Code-signing signer | namazso.eu |
| Analyzed | 2026-04-02 |
| SHA256 | fca6e7d58b0cf38dbb913a2b9e532f48629145d395f454b16a9f58e97b8d3940 |
| SHA1 | 8cf8f0aff8ef43b34ec247c8595b61c0eb9a8b90 |
| MD5 | a9ebaa64ddefba4f4ad3b3071c582a24 |
Version resource data embedded in the PawnIO_2.sys PE header, as extracted by the analysis engine.
| File description | PawnIO Official Build |
|---|---|
| Product | PawnIO |
| Company | namazso |
| Original filename | PawnIO.sys |
| Internal name | PawnIO |
| File version | 2.2.0 |
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 | 80 / 100 |
| Dangerous kernel imports | 100 / 100 |
| IOCTL dispatch surface | 18 / 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 PawnIO_2.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapIoSpace | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| HalSetBusDataByOffset | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| HalGetBusDataByOffset | 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 |
| DbgPrint | low | Standard kernel API - generally benign |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| KeInitializeEvent | 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 |
|---|---|---|---|
| 0x0080858B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #354 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x00808389 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #226 |
| 0x00802494 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2341 |
| 0x00223408 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #3330 |
| 0x003402A0 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #168 |
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 | 0x10C6A | 0x11000 | 5.83 | CODE, EXEC, READ |
| .rdata | 0x2818 | 0x3000 | 4.02 | IDATA, READ |
| .data | 0x1260 | 0x1000 | 0.02 | IDATA, READ, WRITE |
| .pdata | 0x1794 | 0x2000 | 3.66 | IDATA, READ |
| .edata | 0x01F1 | 0x1000 | 1 | IDATA, READ |
| INIT | 0x069A | 0x1000 | 2.62 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x0300 | 0x1000 | 0.79 | IDATA, READ, DISCARD |
| .reloc | 0x038C | 0x1000 | 1.91 | IDATA, READ, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Enforced |
| Mitigation score | 75 / 100 |
| Rule | Severity | Detects |
|---|---|---|
| BYOVD_MemRW | critical | Phys memory mapping + device creation |
| SUSP_PhysMem | high | Physical memory mapping |
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 |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1542.001 | Pre-OS Boot: System Firmware | Persistence |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1601 | Modify System Image | Defense Evasion |
| T1652 | Device Driver Discovery | Discovery |
| Signer | namazso.eu |
|---|---|
| Signer organisation | namazso |
| Issuer | GLOBALTRUST 2015 CODESIGNING 1 |
| Serial | 4F3D79E23F36FC999CB622 |
| Valid from | 2024-08-02 08:02 UTC |
| Valid until | 2027-08-05 10:02 UTC |
| Signature validity | Verified |
Engine angr, status completed, 26 paths explored at a maximum depth of 26. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, PawnIO_2.sys shows some suspicious signals and warrants manual review. Its composite risk score is 58/100 (verdict: suspicious). Always validate findings independently before acting.
PawnIO_2.sys has a DriverShield composite risk score of 58/100, placing it in the suspicious verdict band. SHA256: fca6e7d58b0cf38dbb913a2b9e532f48629145d395f454b16a9f58e97b8d3940.
PawnIO_2.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by namazso.eu.
Related: Other drivers signed by namazso.eu · What an IOCTL dispatch code is · How YARA matching feeds the score · BYOVD research index · full driver database · CVE library · code signing atlas