Analysis of Ld9BoxNetLwf.sys: vulnerable verdict, risk score 72/100. 0 YARA matches, 0/76 multi-engine detections. SHA256 bb2232e70c6a7b55. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver Ld9BoxNetLwf.sys and assigned a verdict of Vulnerable with a composite risk score of 72/100, indicating a known or likely vulnerability surface (60-79 band).
| Verdict | Vulnerable (72/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 76 |
| File size | 230296 bytes |
| Code-signing signer | Microsoft Windows Hardware Compatibility Publisher |
| Analyzed | 2026-04-14 |
| SHA256 | bb2232e70c6a7b5574e60bf18526fd49ff90235cddcd3b74a35aa3434c7d1dfa |
| SHA1 | fe5252c3188dfec6ff76e8a99cafce250fac3aad |
| MD5 | fa85c3c6ec23f545a1bd9152f356a3fc |
Version resource data embedded in the Ld9BoxNetLwf.sys PE header, as extracted by the analysis engine.
| File description | VirtualBox NDIS 6.0 Lightweight Filter Driver |
|---|---|
| Product | Oracle VM VirtualBox |
| Company | Oracle Corporation |
| Original filename | VBoxNetLwf.sys |
| Internal name | VBoxNetLwf |
| File version | 6.1.36.152435 |
| Copyright | Copyright (C) 2009-2022 Oracle 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 | 0 / 100 |
| Dangerous kernel imports | 100 / 100 |
| IOCTL dispatch surface | 100 / 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 Ld9BoxNetLwf.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmMapLockedPagesSpecifyCache | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| MmGetPhysicalAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| MmAllocateContiguousMemorySpecifyCache | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| MmAllocateContiguousMemory | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ZwQuerySystemInformation | medium | Moderate risk - system modification capability |
| ObReferenceObjectByHandle | medium | Moderate risk - system modification capability |
| IoGetDeviceObjectPointer | medium | Moderate risk - system modification capability |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| DbgPrint | low | Standard kernel API - generally benign |
| KeInitializeEvent | low | Standard kernel API - generally benign |
| ExAllocatePool | low | Standard kernel API - generally benign |
| ExFreePool | low | Standard kernel API - generally benign |
| IoBuildDeviceIoControlRequest | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| KeSetEvent | 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 |
|---|---|---|---|
| 0x00222000 | medium (known exploit) | METHOD_BUFFERED | Driver communication init |
| 0x008082F7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #189 |
| 0x00801C8B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1826 |
| 0x0080048B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #290 |
| 0x00801483 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1312 |
| 0x0080880F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #515 |
| 0x0080858B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #354 |
| 0x00347263 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #3224 |
| 0x00805A4D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #1683 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x00226BE8 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #2810 |
| 0x002293E8 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #1274 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
| 0x0080F981 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3680 |
| 0x008020F8 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2110 |
| 0x00801082 | medium | METHOD_OUT_DIRECT | FILE_DEVICE_CUSTOM Function #1056 |
| 0x0080FA81 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3744 |
| 0x008024B4 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2349 |
| 0x00803D65 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3929 |
| 0x00803D00 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #3904 |
| 0x00803D5C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #3927 |
| 0x0080B841 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #3600 |
| 0x0080248C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2339 |
| 0x0080249C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2343 |
Showing 24 of 34 extracted control codes.
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 | 0x1D676 | 0x1D800 | 6.45 | CODE, EXEC, READ |
| .rdata | 0x10A1C | 0x10C00 | 5.26 | IDATA, READ |
| .data | 0x1CBF0 | 0x1200 | 3.14 | IDATA, READ, WRITE |
| .pdata | 0x219C | 0x2200 | 5.27 | IDATA, READ |
| .edata | 0x27E8 | 0x2800 | 5.77 | IDATA, READ |
| INIT | 0x0B3E | 0x0C00 | 4.88 | CODE, EXEC, READ, WRITE, DISCARD |
| .rsrc | 0x0430 | 0x0600 | 2.59 | IDATA, READ, DISCARD |
| .reloc | 0x072A | 0x0800 | 3.61 | IDATA, READ, DISCARD |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Not enabled |
| DEP | Not enabled |
| Integrity check | Not enforced |
| Mitigation score | 5 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1003.001 | OS Credential Dumping: LSASS Memory | Credential Access |
| 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 | Microsoft Windows Hardware Compatibility Publisher |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Third Party Component CA 2012 |
| Serial | 33000000DC341A520FBBCF3D8C0000000000DC |
| Valid from | 2022-03-10 19:58 UTC |
| Valid until | 2023-03-08 19:58 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, Ld9BoxNetLwf.sys is flagged as vulnerable and is a potential Bring Your Own Vulnerable Driver (BYOVD) risk. Its composite risk score is 72/100 (verdict: vulnerable). Always validate findings independently before acting.
Ld9BoxNetLwf.sys has a DriverShield composite risk score of 72/100, placing it in the vulnerable verdict band. SHA256: bb2232e70c6a7b5574e60bf18526fd49ff90235cddcd3b74a35aa3434c7d1dfa.
Ld9BoxNetLwf.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