winbio.dll
Windows Biometrics Client API file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real winbio.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionWindows Biometrics Client API
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\winbio.dll · signed by Microsoft Windows
8fd634a78fe8493f94598bd7c007f4351effd8c3ad9636e95499ef5ddbe6310310.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\winbio.dll · signed by Microsoft Windows
b82cab36ab852421b548ea1eb91c639d7dee9a099724bfb00170d5e1c267655fFrom 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 winbio.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.