Detection rules › Sigma
ImagingDevices Unusual Parent/Child Processes
Detects unusual parent or children of the ImagingDevices.exe (Windows Contacts) process as seen being used with Bumblebee activity
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | No specific technique |
| Stealth | No specific technique |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: ImagingDevices Unusual Parent/Child Processes
id: f11f2808-adb4-46c0-802a-8660db50fa99
status: test
description: Detects unusual parent or children of the ImagingDevices.exe (Windows Contacts) process as seen being used with Bumblebee activity
references:
- https://thedfirreport.com/2022/09/26/bumblebee-round-two/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-27
modified: 2022-12-29
tags:
- attack.execution
- attack.stealth
logsource:
category: process_creation
product: windows
detection:
selection_parent:
ParentImage|endswith:
# Add more if known
- \WmiPrvSE.exe
- \svchost.exe
- \dllhost.exe
Image|endswith: '\ImagingDevices.exe'
selection_child:
# You can add specific suspicious child processes (such as cmd, powershell...) to increase the accuracy
ParentImage|endswith: '\ImagingDevices.exe'
condition: 1 of selection_*
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
1 of selection_*Stage 1: selection_parent
selection_parent:
ParentImage|endswith:
- \WmiPrvSE.exe
- \svchost.exe
- \dllhost.exe
Image|endswith: '\ImagingDevices.exe'
Stage 2: selection_child
selection_child:
ParentImage|endswith: '\ImagingDevices.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with value:"\ImagingDevices.exe" |
ParentImage | ends_with |
| field:"ParentImage" kind:ends_with |