CmdID

CmdID / Files

scrrun.dll

Microsoft Script Runtime file version info

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

Is it the real scrrun.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Script Runtime, Microsoft Corporation
DescriptionMicrosoft Script Runtime

2 known copies

5.812.10240.16384 · C:\Windows\system32\scrrun.dll · signed by Microsoft Windows

88fb7184e2ab58e0f82b93182ac3bffd02dc86bbbdfb9f9bdbe201113bb42cb7

5.812.10240.16384 · C:\Windows\SysWOW64\scrrun.dll · signed by Microsoft Windows

966c02391779d7fb33f27214e842907ad1d098ca1c4cef97fd5376d0a237e332

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