LOLBAS/yml/OSBinaries/wlrmdr.yml

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---
Name: Wlrmdr.exe
Description: Windows Logon Reminder executable
Author: 'Moshe Kaplan'
Created: 2021-11-08
Commands:
- Command: wlrmdr.exe -s 3600 -f 0 -t _ -m _ -a 11 -u calc.exe
Description: Execute calc.exe with the parent process spawning from wlrmdr.exe
Usecase: Use wlrmdr as a proxy binary to evade defensive countermeasures
Category: Execute
Privileges: User
MitreID: T1202
OperatingSystem: Windows 10
Full_Path:
- Path: c:\windows\system32\wlrmdr.exe
Code_Sample:
- Code:
Detection:
- IOC: wlrmdr.exe spawning any new processes
Resources:
- Link: https://twitter.com/0gtweet/status/1493963591745220608
- Link: https://twitter.com/Oddvarmoe/status/927437787242090496
- Link: https://twitter.com/falsneg/status/1461625526640992260
- Link: https://docs.microsoft.com/en-us/windows/win32/api/shellapi/ns-shellapi-notifyicondataw
Acknowledgement:
- Person: Grzegorz Tworek
Handle: '@0gtweet'
- Person: Oddvar Moe
Handle: '@Oddvarmoe'
- Person: Freddy
Handle: '@falsneg'