Analysis of condrv.sys: suspicious verdict, risk score 58/100. 0 YARA matches. SHA256 35fde71d085a47ae. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver condrv.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 | 0 |
| File size | 58336 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-03-22 |
| SHA256 | 35fde71d085a47aeaabbeabb577673d09c281773316beec304375b839be49fdc |
| SHA1 | 367fbbfcf30a22d7648de9ee8e93fb95ad226b7f |
| MD5 | 132d6ff8adefdc7e33905b04d32c220f |
Version resource data embedded in the condrv.sys PE header, as extracted by the analysis engine.
| File description | Console Driver |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | condrv.sys |
| Internal name | condrv.sys |
| File version | 10.0.19041.3636 (WinBuild.160101.0800) |
| Copyright | © Microsoft Corporation. All rights reserved. |
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 | 33 / 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 condrv.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| ZwTerminateProcess | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| MmMapLockedPagesSpecifyCache | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| ZwOpenProcess | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ObOpenObjectByPointer | medium | Moderate risk - system modification capability |
| ObReferenceObjectByHandle | medium | Moderate risk - system modification capability |
| ZwClose | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| ProbeForWrite | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| SeAccessCheck | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| PsGetCurrentProcess | 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 |
| 0x00800080 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #32 |
| 0x00808080 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #32 |
| 0x0022BB0A | medium | METHOD_OUT_DIRECT | FILE_DEVICE_UNKNOWN Function #3778 |
| 0x00344785 | medium | METHOD_IN_DIRECT | FILE_DEVICE_DISK Function #481 |
| 0x0080EC81 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2848 |
| 0x00220782 | medium | METHOD_OUT_DIRECT | FILE_DEVICE_UNKNOWN Function #480 |
| 0x008024B4 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2349 |
| 0x0022B800 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #3584 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
| 0x00340388 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #226 |
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 | 0x0788 | 0x0800 | 5.59 | CODE, EXEC, READ |
| .rdata | 0x17A6 | 0x1800 | 4.49 | IDATA, READ |
| .data | 0x01F0 | 0x0200 | 0.56 | IDATA, READ, WRITE |
| .pdata | 0x0900 | 0x0A00 | 4.15 | IDATA, READ |
| .idata | 0x0D40 | 0x0E00 | 4.43 | IDATA, READ |
| PAGE | 0x6FF5 | 0x7000 | 6.02 | CODE, EXEC, READ |
| INIT | 0x01E8 | 0x0200 | 5.01 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x00CC | 0x0200 | 1.68 | IDATA, READ, DISCARD |
| .rsrc | 0x03F0 | 0x0400 | 3.31 | IDATA, READ, DISCARD |
| .reloc | 0x07AC | 0x0800 | 5.41 | 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 |
|---|---|---|
| T1003.001 | OS Credential Dumping: LSASS Memory | Credential Access |
| 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 | Disable/Modify Tools | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Production PCA 2011 |
| Serial | 33000004158295A1A3D82E2857000000000415 |
| Valid from | 2023-02-03 00:05 UTC |
| Valid until | 2024-02-01 00:05 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status static_approximation, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 1. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, condrv.sys shows some suspicious signals and warrants manual review. Its composite risk score is 58/100 (verdict: suspicious). Always validate findings independently before acting.
condrv.sys has a DriverShield composite risk score of 58/100, placing it in the suspicious verdict band. SHA256: 35fde71d085a47aeaabbeabb577673d09c281773316beec304375b839be49fdc.
condrv.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.
Related: Other drivers signed by Microsoft Windows · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas