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Name: Wsreset.exe
Description: Used to reset Windows Store settings according to its manifest file
Author: 'Oddvar Moe'
Created: '2019-03-18'
Commands:
  - Command: wsreset.exe
    Description: During startup, wsreset.exe checks the registry value HKCU\Software\Classes\AppX82a6gwre4fdg3bt635tn5ctqjf8msdd2\Shell\open\command for the command to run. Binary will be executed as a high-integrity process without a UAC prompt being displayed to the user. 
    Usecase: Execute a binary or script as a high-integrity process without a UAC prompt. 
    Category: UAC bypass
    Privileges: User
    MitreID: T1088
    MitreLink: https://attack.mitre.org/wiki/Technique/T1088
    OperatingSystem: Windows 10
Full_Path:
  - Path: C:\Windows\System32\wsreset.exe
Code Sample:
  - Code: 
Detection:
 - IOC: wsreset.exe launching child process other than mmc.exe
 - IOC: Creation or modification of the registry value HKCU\Software\Classes\AppX82a6gwre4fdg3bt635tn5ctqjf8msdd2\Shell\open\command
 - IOC: Microsoft Defender Antivirus as Behavior:Win32/UACBypassExp.T!gen
Resources:
  - Link: https://www.activecyber.us/activelabs/windows-uac-bypass
  - Link: https://twitter.com/ihack4falafel/status/1106644790114947073
  - Link: https://github.com/hfiref0x/UACME/blob/master/README.md
Acknowledgement:
  - Person: Hashim Jawad
    Handle: '@ihack4falafel'
---