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Merge pull request #191 from lltltk/master

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Create Teams.exe
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Jose Enrique Hernandez 2023-09-03 14:53:48 -04:00 committed by GitHub
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---
Name: Teams.exe
Description: Electron runtime binary which runs the Teams application
Author: Andrew Kisliakov
Created: 2022-01-17
Commands:
- Command: Teams.exe
Description: Generate JavaScript payload and package.json, and save to "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app\\" before executing.
Usecase: Execute JavaScript code
Category: Execute
Privileges: User
MitreID: T1218
OperatingSystem: Windows
- Command: Teams.exe
Description: Generate JavaScript payload and package.json, archive in ASAR file and save to "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app.asar" before executing.
Usecase: Execute JavaScript code
Category: Execute
Privileges: User
MitreID: T1218
OperatingSystem: Windows
Full_Path:
- Path: "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\Teams.exe"
Code_Sample:
- Code: https://github.com/lltltk/LOLBAS-research/tree/master/Teams
Detection:
- IOC: "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app directory created"
- IOC: "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app.asar file created/modified by non-Teams installer/updater"
Resources:
- Link: https://l--k.uk/2022/01/16/microsoft-teams-and-other-electron-apps-as-lolbins/
Acknowledgement:
- Person: Andrew Kisliakov