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28 lines
1.4 KiB
YAML
28 lines
1.4 KiB
YAML
---
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Name: Atbroker.exe
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Description: Helper binary for Assistive Technology (AT)
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Author: 'Oddvar Moe'
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Created: 2018-05-25
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Commands:
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- Command: ATBroker.exe /start malware
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Description: Start a registered Assistive Technology (AT).
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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.
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Category: Execute
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Privileges: User
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MitreID: T1218
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OperatingSystem: Windows 8, Windows 8.1, Windows 10, Windows 11
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Full_Path:
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- Path: C:\Windows\System32\Atbroker.exe
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- Path: C:\Windows\SysWOW64\Atbroker.exe
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_lolbin_susp_atbroker.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/registry/registry_event/registry_event_susp_atbroker_change.yml
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- IOC: Changes to HKCU\Software\Microsoft\Windows NT\CurrentVersion\Accessibility\Configuration
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- IOC: Changes to HKLM\Software\Microsoft\Windows NT\CurrentVersion\Accessibility\ATs
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- IOC: Unknown AT starting C:\Windows\System32\ATBroker.exe /start malware
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Resources:
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- Link: http://www.hexacorn.com/blog/2016/07/22/beyond-good-ol-run-key-part-42/
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Acknowledgement:
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- Person: Adam
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Handle: '@hexacorn'
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