Analysis of xhunter1.sys: suspicious verdict, risk score 58/100. 2 YARA matches, 5/75 multi-engine detections. SHA256 e727d0753d2cd0b2. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver xhunter1.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 | 5 / 75 |
| File size | 48368 bytes |
| Code-signing signer | Symantec Time Stamping Services CA - G2 |
| Analyzed | 2026-09-06 |
| SHA256 | e727d0753d2cd0b2f6eeba4cea53aa10b3ff3ed2afeb78f545fcf6d840f85c3e |
| SHA1 | 852049ecfd6a42370f2d6ed0d5e67e52c8d88211 |
| MD5 | c61c16de83acabd35ee18e410c1c37c1 |
Version resource data embedded in the xhunter1.sys PE header, as extracted by the analysis engine.
| File description | XIGNCODE3 System Guard |
|---|---|
| Product | XIGNCODE3 |
| Company | Wellbia.com Co., Ltd. |
| Original filename | xhunter1.sys |
| Internal name | xhunter1.sys |
| File version | 10.0.10011.16384 |
| Copyright | Copyright (c) 2006-2013 Wellbia.com Co., Ltd. |
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 | 10 / 100 |
| Dangerous kernel imports | 100 / 100 |
| IOCTL dispatch surface | 27 / 100 |
| Known-vulnerable corpus | 100 / 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 xhunter1.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapLockedPagesSpecifyCache | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| ObRegisterCallbacks | 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 |
| 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 |
| ZwQuerySystemInformation | medium | Moderate risk - system modification capability |
| ObOpenObjectByPointer | medium | Moderate risk - system modification capability |
| KeBugCheckEx | medium | Moderate risk - system modification capability |
| ObReferenceObjectByHandle | medium | Moderate risk - system modification capability |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| ProbeForWrite | low | Standard kernel API - generally benign |
| ZwCreateFile | low | Standard kernel API - generally benign |
| ZwReadFile | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| ZwQueryInformationFile | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| ProbeForRead | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| KeSetEvent | low | Standard kernel API - generally benign |
| ExAllocatePool | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| ZwOpenFile | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | 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 |
|---|---|---|---|
| 0x00801F0F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1987 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080249C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2343 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
| 0x0022B941 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #3664 |
| 0x00340340 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #208 |
| 0x00340038 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #14 |
| 0xC350DF2D | medium | METHOD_IN_DIRECT | CUSTOM_MSI Function #1995 |
| 0x8273E076 | medium | METHOD_OUT_DIRECT | CUSTOM_VIRAGT Function #2077 |
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 | 0x615B | 0x6200 | 6.33 | CODE, EXEC, READ |
| .rdata | 0x0C34 | 0x0E00 | 4 | IDATA, READ |
| .data | 0x3CF0 | 0x0E00 | 3.8 | IDATA, READ, WRITE |
| .pdata | 0x05C4 | 0x0600 | 4.25 | IDATA, READ |
| .gfids | 0x0004 | 0x0200 | 0.02 | IDATA, READ |
| INIT | 0x0934 | 0x0A00 | 5.01 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x0428 | 0x0600 | 2.69 | IDATA, READ, DISCARD |
| .reloc | 0x0208 | 0x0400 | 3.43 | IDATA, READ, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Enforced |
| Mitigation score | 60 / 100 |
| Rule | Severity | Detects |
|---|---|---|
| PUA_VULN_Driver_Wellbiacomcoltd_Xhuntersys_Xigncode_E727 | medium | Detects vulnerable driver mentioned in known-vulnerable driver corpus project using VersionInfo values from the PE header - xhunter1.sys. Investigate matches in context: expected filenames or standard... |
| 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 |
| T1071 | Application Layer Protocol | Command and Control |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1489 | Service Stop | Impact |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1562.001 | Impair Defenses | 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 | Symantec Time Stamping Services CA - G2 |
|---|---|
| Signer organisation | Symantec Corporation |
| Issuer | Thawte Timestamping CA |
| Serial | 7E93EBFB7CC64E59EA4B9A77D406FC3B |
| Valid from | 2012-12-21 00:00 UTC |
| Valid until | 2020-12-30 23:59 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status static_approximation, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 0. Exploitable paths: 0.
Corpus match: this hash is present in the known-vulnerable driver corpus DriverShield cross-references during analysis, which is why the score carries a full weighting on that component.
Based on DriverShield static and dynamic analysis, xhunter1.sys shows some suspicious signals and warrants manual review. Its composite risk score is 58/100 (verdict: suspicious). Always validate findings independently before acting.
xhunter1.sys has a DriverShield composite risk score of 58/100, placing it in the suspicious verdict band. SHA256: e727d0753d2cd0b2f6eeba4cea53aa10b3ff3ed2afeb78f545fcf6d840f85c3e.
xhunter1.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Symantec Time Stamping Services CA - G2.
Related: Other drivers signed by Symantec Time Stamping Services CA - G2 · What an IOCTL dispatch code is · How YARA matching feeds the score · BYOVD research index · full driver database · CVE library · code signing atlas