LogonController.dll
Logon UX Controller file version info
Library on Windows 1 known copy with hashes 1 Sigma rule names it
Is it the real LogonController.dll?
Installed in
C:\Windows\system32\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionLogon UX Controller
1 known copy
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\LogonController.dll · signed by Microsoft Windows
76e240ef797fbe12b6e4b7122021e22faadd8fcd2a4b8446b15bef5d5252fedaFrom 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 LogonController.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.