LOLBAS/yml/OSBinaries/Atbroker.yml

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2018-06-09 00:15:06 +02:00
---
Name: Atbroker.exe
Description: Helper binary for Assistive Technology (AT)
Author: 'Oddvar Moe'
Created: 2018-05-25
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Commands:
- Command: ATBroker.exe /start malware
Description: Start a registered Assistive Technology (AT).
Usecase: Executes code defined in registry for a new AT. Modifications must be made to the system registry to either register or modify an existing Assistive Technology (AT) service entry.
Category: Execute
Privileges: User
MitreID: T1218
OperatingSystem: Windows 8, Windows 8.1, Windows 10, Windows 11
Full_Path:
- Path: C:\Windows\System32\Atbroker.exe
- Path: C:\Windows\SysWOW64\Atbroker.exe
Detection:
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_lolbin_susp_atbroker.yml
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/registry/registry_event/registry_event_susp_atbroker_change.yml
- IOC: Changes to HKCU\Software\Microsoft\Windows NT\CurrentVersion\Accessibility\Configuration
- IOC: Changes to HKLM\Software\Microsoft\Windows NT\CurrentVersion\Accessibility\ATs
- IOC: Unknown AT starting C:\Windows\System32\ATBroker.exe /start malware
2018-06-09 00:15:06 +02:00
Resources:
- Link: http://www.hexacorn.com/blog/2016/07/22/beyond-good-ol-run-key-part-42/
Acknowledgement:
- Person: Adam
Handle: '@hexacorn'