Suspicious VBoxDrvInst.exe Parameters

Hunt Hypothesis

Detect VBoxDrvInst.exe run with parameters allowing processing INF file. This allows to create values in the registry and install drivers. For example one could use this technique to obtain persistenc

Detection Rule

Sigma (Original)

title: Suspicious VBoxDrvInst.exe Parameters
id: b7b19cb6-9b32-4fc4-a108-73f19acfe262
status: test
description: |
  Detect VBoxDrvInst.exe run with parameters allowing processing INF file.
  This allows to create values in the registry and install drivers.
  For example one could use this technique to obtain persistence via modifying one of Run or RunOnce registry keys
references:
    - https://github.com/LOLBAS-Project/LOLBAS/blob/4db780e0f0b2e2bb8cb1fa13e09196da9b9f1834/yml/LOLUtilz/OtherBinaries/VBoxDrvInst.yml
    - https://twitter.com/pabraeken/status/993497996179492864
author: Konstantin Grishchenko, oscd.community
date: 2020-10-06
modified: 2021-11-27
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\VBoxDrvInst.exe'
        CommandLine|contains|all:
            - 'driver'
            - 'executeinf'
    condition: selection
falsepositives:
    - Legitimate use of VBoxDrvInst.exe utility by VirtualBox Guest Additions installation process
level: medium

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessName endswith "\\VBoxDrvInst.exe" and (TargetProcessCommandLine contains "driver" and TargetProcessCommandLine contains "executeinf")

Required Data Sources

False Positive Guidance

• Legitimate use of VBoxDrvInst.exe utility by VirtualBox Guest Additions installation process

MITRE ATT&CK Context

• Tactic: Persistence
• Technique: T1112 — T1112

References

• https://github.com/LOLBAS-Project/LOLBAS/blob/4db780e0f0b2e2bb8cb1fa13e09196da9b9f1834/yml/LOLUtilz/OtherBinaries/VBoxDrvInst.yml
• https://twitter.com/pabraeken/status/993497996179492864
• SigmaHQ Rule