stordiag.exe

File Path: C:\WINDOWS\system32\stordiag.exe
Description:

Hashes

Type	Hash
MD5	`90A922FDB190D75111DBE5A741EE0510`
SHA1	`728132E27C24796A7C29A927FF56414E4D66C547`
SHA256	`3BC839B933D9C40A8B8D25B415C1037BA4A47009BF3C4E3A3D4C26554B7D4898`
SHA384	`56C87BF0397F07D106F8CDEAFBA7BE0584E04909598C9C656F69249A23A548BE935276CB17F022BD6012E4BDBF85DDC0`
SHA512	`5F4A9DD8A99F197793FBBB00D6AA32AF93BFF90F2E52381FCF9C2FCA4F00AEDB44ADF3F627FB3D14D9960FDD31CB863F3BE7B6C051C129969C7D8B792D6F3D8B`
SSDEEP	`1536:D6dFZKXt4SeKT/DSsdj9hf5+VIsWzbJWE4KAhUfb3M:mFZpSeK6MkWpzbJWE4nQb3M`

Runtime Data

Usage (stdout):

Collects storage and filesystem diagnostic logs and outputs them to a folder.

StorDiag [-collectEtw] [-out <PATH>]
-collectEtw           Collect a 30-second long ETW trace if run from an elevated session
-collectPerf          Collect disk performance counters
-checkFSConsistency   Checks for the consistency of the NTFS file system
-diagnostic           outputs a storage diagnostic report
-bootdiag             output boot sectors of the disk
-driverdiag           output avaliable storport and storahci logs
-out <PATH>           Specify the output path. If not specified, logs are saved to %TEMP%\StorDiag

Child Processes:

conhost.exe

Signature

Status: Signature verified.
Serial: 330000023241FB59996DCC4DFF000000000232
Thumbprint: FF82BC38E1DA5E596DF374C53E3617F7EDA36B06
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: stordiag.exe
Product Name: Microsoft (R) Windows (R) Operating System
Company Name: Microsoft Corporation
File Version: 10.0.18362.1
Product Version: 10.0.18362.1
Language: Language Neutral

File Similarity (ssdeep match)

File	Score
C:\WINDOWS\SysWOW64\stordiag.exe	91

Possible Misuse

The following table contains possible examples of stordiag.exe being misused. While stordiag.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_stordiag_execution.yml	`title: Execution via stordiag.exe`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`description: Detects the use of stordiag.exe to execute schtasks.exe systeminfo.exe and fltmc.exe`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`- https://strontic.github.io/xcyclopedia/library/stordiag.exe-1F08FC87C373673944F6A7E8B18CD845.html`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`ParentImage\\|endswith: '\stordiag.exe'`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`ParentImage\\|startswith: # as first is "Copy c:\windows\system32\stordiag.exe to a folder"`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`- Legitimate usage of stordiag.exe.`	DRL 1.0
LOLBAS	Stordiag.yml	`Name: Stordiag.exe`
LOLBAS	Stordiag.yml	`- Command: stordiag.exe`
LOLBAS	Stordiag.yml	`Description: Once executed, Stordiag.exe will execute schtasks.exe systeminfo.exe and fltmc.exe - if stordiag.exe is copied to a folder and an arbitrary executable is renamed to one of these names, stordiag.exe will execute it.`
LOLBAS	Stordiag.yml	`- Path: c:\windows\system32\stordiag.exe`
LOLBAS	Stordiag.yml	`- Path: c:\windows\syswow64\stordiag.exe`