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_lolbas/Binaries/write.md

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---
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Name: write.exe
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Description: 'Windows Write'
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Author: Michal Belzak
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Created: 2025-06-17
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Commands:
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- Command: write.exe
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Description: 'Executes a binary provided in default value of `HKCU\Software\Microsoft\Windows\CurrentVersion\App Paths\wordpad.exe`.'
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Usecase: Execute binary through legitimate proxy. This might be utilized to confuse detection solutions that rely on parent-child relationships.
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Category: Execute
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Privileges: User
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MitreID: T1218
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OperatingSystem: Windows 10, Windows 11 (before 24H2)
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Tags:
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- Execute: EXE
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- Requires: Registry Change
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Full_Path:
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- Path: 'C:\Windows\write.exe'
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- Path: 'C:\Windows\System32\write.exe'
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- Path: 'C:\Windows\SysWOW64\write.exe'
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Detection:
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- IOC: 'Changes to HKCU:\Software\Microsoft\Windows\CurrentVersion\App Paths\wordpad.exe'
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- Sigma: https://github.com/SigmaHQ/sigma/blob/master/rules/windows/registry/registry_set/registry_set_persistence_app_paths.yml
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Resources:
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- Link: https://gist.github.com/mblzk/b8c5ff7c2bd0fb2b385cc2fdd119874b
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Acknowledgement:
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- Person: Michal Belzak
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