MSO.DLL
Microsoft Office component file version info
Library on Windows 1 known copy with hashes 1 Sigma rule names it
Is it the real MSO.DLL?
Installed in
C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Signed byMicrosoft Corporation
ProductMicrosoft Office, Microsoft Corporation
DescriptionMicrosoft Office component
1 known copy
16.0.12527.20470 · C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSO.DLL · signed by Microsoft Corporation
da813a8b4106a226cfb5bea4e2623d6da3538f886922ebf404b36c41b387a7c6From 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 MSO.DLL in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.