sigmamediumHunting

Suspicious MsiExec Embedding Parent

Adversaries may abuse msiexec.exe to proxy the execution of malicious payloads

MITRE ATT&CK

defense-evasion

Detection Query

selection:
  Image|endswith:
    - \powershell.exe
    - \pwsh.exe
    - \cmd.exe
  ParentCommandLine|contains|all:
    - MsiExec.exe
    - "-Embedding "
filter_splunk_ufw:
  Image|endswith: :\Windows\System32\cmd.exe
  CommandLine|contains: C:\Program Files\SplunkUniversalForwarder\bin\
filter_vs:
  - CommandLine|contains: \DismFoDInstall.cmd
  - ParentCommandLine|contains|all:
      - "\\MsiExec.exe -Embedding "
      - Global\MSI0000
condition: selection and not 1 of filter*

Author

frack113

Created

2022-04-16

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.007/T1218.007.md

Tags

attack.t1218.007attack.defense-evasion

Raw Content

title: Suspicious MsiExec Embedding Parent
id: 4a2a2c3e-209f-4d01-b513-4155a540b469
status: test
description: Adversaries may abuse msiexec.exe to proxy the execution of malicious payloads
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.007/T1218.007.md
author: frack113
date: 2022-04-16
modified: 2022-07-14
tags:
    - attack.t1218.007
    - attack.defense-evasion
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        Image|endswith:
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\cmd.exe'
        ParentCommandLine|contains|all:
            - 'MsiExec.exe'
            - '-Embedding '
    filter_splunk_ufw:
        Image|endswith: ':\Windows\System32\cmd.exe'
        CommandLine|contains: 'C:\Program Files\SplunkUniversalForwarder\bin\'
    filter_vs:
        - CommandLine|contains: '\DismFoDInstall.cmd'
        - ParentCommandLine|contains|all:
              - '\MsiExec.exe -Embedding '
              - 'Global\MSI0000'
    condition: selection and not 1 of filter*
falsepositives:
    - Unknown
level: medium