CmdID

CmdID / Files

wbemcomn.dll

WMI file version info

Library on Windows 2 known copies with hashes 7 Sigma rules name it

Is it the real wbemcomn.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionWMI

2 known copies

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

a4227272ed26c1cfedc51785204f7a32f5af3579556c5d9423db1fbd82938a63

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

d6bddccbb1d526a9b00f7cb4c0f3b6d5c6f8036386de72a1ff23987c8ea66e30

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 wbemcomn.dll in 7 rules, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.