MaintenanceUI.dll
Maintenance Settings Control Panel file version info
Library on Windows 1 known copy with hashes 1 Sigma rule names it
Is it the real MaintenanceUI.dll?
Installed in
C:\Windows\system32\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionMaintenance Settings Control Panel
1 known copy
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\MaintenanceUI.dll · signed by Microsoft Windows
45d0066e0a77e4b83c683ff476d37945be1aacb5daffb02bfefbd9728dac076bFrom the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.
What detects it
Sigma names MaintenanceUI.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.