CmdID

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UXInit.dll

Windows User Experience Session Initialization Dll file version info

Library on Windows 2 known copies with hashes 1 Sigma rule names it

Is it the real UXInit.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionWindows User Experience Session Initialization Dll

2 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\UXInit.dll · signed by Microsoft Windows

146a17ba8a5e1437845bd145af2847721ab287deabe9d691a13b4560f2b9a995

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\UXInit.dll · signed by Microsoft Windows

ed49f6913393d86e8e5c2c2fcdfcc8f0d365a37cb4cd7923e78029455b4e6052

From 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

Sigma names UXInit.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.