Lolbas OneDriveStandaloneUpdater.exe Proxy Download

Hunt Hypothesis

Detects setting a custom URL for OneDriveStandaloneUpdater.exe to download a file from the Internet without executing any anomalous executables with suspicious arguments. The downloaded file will be i

Detection Rule

Sigma (Original)

title: Lolbas OneDriveStandaloneUpdater.exe Proxy Download
id: 3aff0be0-7802-4a7e-a4fa-c60c74bc5e1d
status: test
description: |
    Detects setting a custom URL for OneDriveStandaloneUpdater.exe to download a file from the Internet without executing any
    anomalous executables with suspicious arguments. The downloaded file will be in C:\Users\redacted\AppData\Local\Microsoft\OneDrive\StandaloneUpdaterreSignInSettingsConfig.json
references:
    - https://lolbas-project.github.io/lolbas/Binaries/OneDriveStandaloneUpdater/
author: frack113
date: 2022-05-28
modified: 2023-08-17
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\SOFTWARE\Microsoft\OneDrive\UpdateOfficeConfig\UpdateRingSettingURLFromOC'
    condition: selection
falsepositives:
    - Unknown
level: high

KQL (Azure Sentinel)

imRegistry
| where RegistryKey contains "\\SOFTWARE\\Microsoft\\OneDrive\\UpdateOfficeConfig\\UpdateRingSettingURLFromOC"

KQL (Microsoft 365 Defender)

DeviceRegistryEvents
| where RegistryKey contains "\\SOFTWARE\\Microsoft\\OneDrive\\UpdateOfficeConfig\\UpdateRingSettingURLFromOC"

Required Data Sources

False Positive Guidance

• Unknown

MITRE ATT&CK Context

• Tactic: Command and Control
• Technique: T1105 — T1105

References

• https://lolbas-project.github.io/lolbas/Binaries/OneDriveStandaloneUpdater/
• SigmaHQ Rule