CmdID

CmdID / Files

PsService.exe

Service information and configuration utility file version info

Program on Windows 1 known copy with hashes 4 Sigma rules name it

Opens CmdID with your command. It is read in your browser and sent nowhere.

Is it the real PsService.exe?

file version info and known copies
Installed inC:\SysinternalsSuite\
Signed byMicrosoft Corporation
ProductSysinternals psservice, Sysinternals - www.sysinternals.com
DescriptionService information and configuration utility

1 known copy

2.25 · C:\SysinternalsSuite\PsService.exe · signed by Microsoft Corporation

9454ba56bcb470d330559573afbc10f6989ba46f3e656c20979de6f92e051752

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 process creation rules that name PsService.exe
highSuspicious Windows Service TamperingNasreddine Bencherchali (Nextron Systems), frack113 , X__Junior (Nextron Systems)
mediumPotential Binary Impersonating Sysinternals Toolsfrack113, Swachchhanda Shrawan Poudel (Nextron Systems)
mediumSysinternals PsService ExecutionNasreddine Bencherchali (Nextron Systems)

Sigma names PsService.exe in 4 rules in all, for every kind of event; these are the process creation rules CmdID evaluates.