Lolbas OneDriveStandaloneUpdater.exe Proxy Download

Status: test
Severity: high
Log source: category registry_set, product windows
Author: frack113
Source: github.com/SigmaHQ/sigma

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

MITRE ATT&CK coverage

Tactic	Techniques
Command & Control	`T1105` Ingress Tool Transfer

Telemetry coverage

Provider	Record / event type
Sysmon	Event ID 13: RegistryEvent (Value Set)

Rule body

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

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

selection:
    TargetObject|contains: '\SOFTWARE\Microsoft\OneDrive\UpdateOfficeConfig\UpdateRingSettingURLFromOC'

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`TargetObject`	match	`\SOFTWARE\Microsoft\OneDrive\UpdateOfficeConfig\UpdateRingSettingURLFromOC`	`field:"TargetObject" kind:match value:"\SOFTWARE\Microsoft\OneDrive\UpdateOfficeConfig\UpdateRingSettingURLFromOC"`