CmdID

CmdID / Files

timesync.dll

W32Time Sync Library file version info

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

Is it the real timesync.dll?

file version info and known copies
Installed inC:\Windows\system32\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionW32Time Sync Library

1 known copy

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

c827971386a28f1a7c6352cc39cec8cf92b626977ac5581ee0245c4130e006f8

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