Windows Sandbox with Sensitive Configuration

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Windows Sandbox with Sensitive Configuration

Identifies Windows sanfbox processes indicating the start of a new container with sensitive configurations like write access to the host file system, network connection and automatic execution via logon command. Malware may abuse the sandbox feature to evade detection.

Rule type: eql

Rule indices:

logs-endpoint.events.process-*
winlogbeat-*
logs-windows.sysmon_operational-*
endgame-*
logs-m365_defender.event-*
logs-sentinel_one_cloud_funnel.*
logs-crowdstrike.fdr*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://blog-en.itochuci.co.jp/entry/2025/03/12/140000

Tags:

Domain: Endpoint
OS: Windows
Use Case: Threat Detection
Tactic: Defense Evasion
Data Source: Elastic Endgame
Data Source: Elastic Defend
Data Source: Sysmon
Data Source: Microsoft Defender for Endpoint
Data Source: SentinelOne
Data Source: Crowdstrike

Version: 1

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

edit

process where host.os.type == "windows" and event.type == "start" and
  process.name : ("wsb.exe", "WindowsSandboxClient.exe") and
  process.command_line : ("*<Networking>Enable</Networking>*",
                          "*<HostFolder>C:\\*<ReadOnly>false*",
                          "*<LogonCommand>*",
                          "*<NetworkingEnabled>true*")

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Hide Artifacts
- ID: T1564
- Reference URL: https://attack.mitre.org/techniques/T1564/
Sub-technique:
- Name: Run Virtual Instance
- ID: T1564.006
- Reference URL: https://attack.mitre.org/techniques/T1564/006/

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