AppX Package Installation Attempts Via AppInstaller.EXE

testmedium
Log-Quelle: windows · dns_queryAutor frack113Datum 2021-11-24
01

Beschreibung

Was dies ist, in Kürze.

Detects DNS queries made by "AppInstaller.EXE". The AppInstaller is the default handler for the "ms-appinstaller" URI. It attempts to load/install a package from the referenced URL

02

Tags

attack.command-and-controlattack.t1105
03

Regelquelle (YAML)

title: AppX Package Installation Attempts Via AppInstaller.EXE
id: 7cff77e1-9663-46a3-8260-17f2e1aa9d0a
related:
    - id: 180c7c5c-d64b-4a63-86e9-68910451bc8b
      type: derived
status: test
description: |
    Detects DNS queries made by "AppInstaller.EXE". The AppInstaller is the default handler for the "ms-appinstaller" URI. It attempts to load/install a package from the referenced URL
references:
    - https://twitter.com/notwhickey/status/1333900137232523264
    - https://lolbas-project.github.io/lolbas/Binaries/AppInstaller/
author: frack113
date: 2021-11-24
modified: 2023-11-09
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    product: windows
    category: dns_query
detection:
    selection:
        Image|startswith: 'C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_'
        Image|endswith: '\AppInstaller.exe'
    condition: selection
falsepositives:
    - Unknown
level: medium
04

erkennt Techniken (1)

ATT&CK-Techniken, die dies ermöglicht oder abbildet.

05

Referenzen

Externe Belege — Patches, Meldungen, Analysen.