OskSupport.dll
Microsoft On-Screen Keyboard Support Utilities file version info
Library on Windows 1 known copy with hashes 2 Sigma rules name it
Is it the real OskSupport.dll?
Installed in
C:\Windows\system32\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionMicrosoft On-Screen Keyboard Support Utilities
1 known copy
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\OskSupport.dll · signed by Microsoft Windows
60a7d1ec0eaf1fa3368351942f6bfcd773101b569ba0f3fd986127500514f4e5From 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 OskSupport.dll in 2 rules, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.