CmdID

CmdID / Files

tbs.dll

TBS file version info

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

Is it the real tbs.dll?

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

2 known copies

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

84c703e223f5476284cb25137a4a3d9b9c6ba65f903ea28e6ea84fb7e543f85a

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

afc053e20ddbc05828ae268ff75375a7b684efefa8868628146d7c0c3b254339

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