CmdID

CmdID / Files

upshared.dll

UNPShared file version info

Library on Windows 1 known copy with hashes 1 Sigma rule names it

Is it the real upshared.dll?

file version info and known copies
Original nameUNPShared.dll in the file’s header: a renamed copy still carries it
Installed inC:\Windows\system32\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionUNPShared

1 known copy

10.0.19041.84 (WinBuild.160101.0800) · C:\Windows\system32\upshared.dll · signed by Microsoft Windows

df56a176fe1296c5247893d4383adf7a37d203448962335e93a74aa59808e230

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