Wlrmdr.exe — LOLBAS

Execute

ExecutionWindows

Execute executable with wlrmdr.exe as parent process

Use Use wlrmdr as a proxy binary to evade defensive countermeasures

wlrmdr.exe -s 3600 -f 0 -t _ -m _ -a 11 -u {PATH:.exe}

Evidence: Upstream reference
Environment: Local host
Context: user
Native: Execute
MITRE: T1202
Detection: Sigma: github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_lolbin_wlrmdr.yml
IOC: wlrmdr.exe spawning any new processes
Refs: twitter.com/0gtweet/status/1493963591745220608
twitter.com/Oddvarmoe/status/927437787242090496
twitter.com/falsneg/status/1461625526640992260
docs.microsoft.com/en-us/windows/win32/api/shellapi/ns-shellapi-notifyicondataw
lolbas-project.github.io/lolbas/Binaries/Wlrmdr/