CmdID

CmdID / Files

RstrtMgr.dll

Restart Manager file version info

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

Is it the real RstrtMgr.dll?

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

2 known copies

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

82bd7cfa6ecf118ca59ec9bca0fd4883455c3444de99d3b260b1f95703a9ae71

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

cebecb11278cc1abf66e0084eb4c05eef2092c0bb4e5267b0c1b4982732d289c

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 RstrtMgr.dll in 2 rules, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.