feclient.dll
Windows NT File Encryption Client Interfaces file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real feclient.dll?
C:\Windows\system32\C:\Windows\SysWOW64\2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\feclient.dll · signed by Microsoft Windows
a5bd0d33940328c60d50f05f387e8cef277f596f2d96935471568d820f80772710.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\feclient.dll · signed by Microsoft Windows
cb68d51f285f5ee3c29bd81e5d058840d11f2a3f2092d618ae50b649acad1fc3From 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 feclient.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.