Analysis of mtcBSv64.sys: suspicious verdict, risk score 58/100. 2 YARA matches, 1/76 multi-engine detections. SHA256 ff803017d1acafde. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver mtcBSv64.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 | 1 / 76 |
| File size | 78336 bytes |
| Code-signing signer | Symantec Class 3 Extended Validation Code Signing CA - G2 |
| Analyzed | 2026-09-06 |
| SHA256 | ff803017d1acafde6149fe7d463aee23b1c4f6f3b97c698c05f3ca6f07e4df6c |
| SHA1 | cde32654a041fedc7b0fa1083f6005b950760062 |
| MD5 | ae0e3f25a7a4b29f3f16128303b264ec |
Version resource data embedded in the mtcBSv64.sys PE header, as extracted by the analysis engine.
| File description | Getac System Service Provider |
|---|---|
| Product | Getac System Service Provider |
| Company | Getac Technology Corporation |
| Original filename | mtcBSv64.sys |
| Internal name | mtcBSv64.sys |
| File version | 21, 1, 6, 3 |
| Copyright | Copyright (C) 2012 Getac Technology Corporation |
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 | 21 / 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 mtcBSv64.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapIoSpace | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| MmUnmapIoSpace | medium | Moderate risk - system modification capability |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| KeInitializeEvent | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| KeSetEvent | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| IoBuildDeviceIoControlRequest | low | Standard kernel API - generally benign |
| IoCreateDevice | 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 |
|---|---|---|---|
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0034B828 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #3594 |
| 0x008000B9 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #46 |
| 0x0080F881 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3616 |
| 0x00340370 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #220 |
| 0x00340036 | medium | METHOD_OUT_DIRECT | FILE_DEVICE_DISK Function #13 |
| 0x008002A2 | medium | METHOD_OUT_DIRECT | FILE_DEVICE_CUSTOM 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 | 0x3902 | 0x3A00 | 6.47 | CODE, EXEC, READ |
| .rdata | 0x0FEC | 0x1000 | 5.1 | IDATA, READ |
| .data | 0x0324 | 0x0400 | 2.45 | IDATA, READ, WRITE |
| .pdata | 0x039C | 0x0400 | 3.88 | IDATA, READ |
| .gfids | 0x0004 | 0x0200 | 0.02 | IDATA, READ |
| PAGE | 0x204E | 0x2200 | 6.26 | CODE, EXEC, READ |
| INIT | 0x0602 | 0x0800 | 4.43 | CODE, EXEC, READ, DISCARD |
| .rsrc | 0x05C0 | 0x0600 | 3.31 | IDATA, READ, DISCARD |
| .reloc | 0x00BC | 0x0200 | 2.32 | IDATA, READ, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 55 / 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 |
| 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 |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Symantec Class 3 Extended Validation Code Signing CA - G2 |
|---|---|
| Signer organisation | Symantec Corporation |
| Issuer | VeriSign Class 3 Public Primary Certification Authority - G5 |
| Serial | 191A32CB759C97B8CFAC118DD5127F49 |
| Valid from | 2014-03-04 00:00 UTC |
| Valid until | 2024-03-03 23:59 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status completed, 100 paths explored at a maximum depth of 100. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, mtcBSv64.sys shows some suspicious signals and warrants manual review. Its composite risk score is 58/100 (verdict: suspicious). Always validate findings independently before acting.
mtcBSv64.sys has a DriverShield composite risk score of 58/100, placing it in the suspicious verdict band. SHA256: ff803017d1acafde6149fe7d463aee23b1c4f6f3b97c698c05f3ca6f07e4df6c.
mtcBSv64.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 Class 3 Extended Validation Code Signing CA - G2.
Related: Other drivers signed by Symantec Class 3 Extended Validation Code Signing 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