CmdID

CmdID / Files

shfolder.dll

Shell Folder Service file version info

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

Is it the real shfolder.dll?

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

2 known copies

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

46a80ae4217c473945e791f84f19a443824e7d7ffd96b00d3a4c1f02b64811a6

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

b6b87740891507997ebf4784f122ebd8433495ad2601356bcc03756de9fd715b

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