sigmamediumHunting

Imports Registry Key From a File

Detects the import of the specified file to the registry with regedit.exe.

MITRE ATT&CK

persistencedefense-evasion

Detection Query

selection_img:
  - Image|endswith: \regedit.exe
  - OriginalFileName: REGEDIT.EXE
selection_cli:
  CommandLine|contains:
    - " /i "
    - " /s "
    - .reg
filter_1:
  CommandLine|contains|windash:
    - " -e "
    - " -a "
    - " -c "
filter_2:
  CommandLine|re: :[^ \\]
condition: all of selection_* and not all of filter_*

Author

Oddvar Moe, Sander Wiebing, oscd.community

Created

2020-10-07

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.persistenceattack.t1112attack.defense-evasion

Raw Content

title: Imports Registry Key From a File
id: 73bba97f-a82d-42ce-b315-9182e76c57b1
related:
    - id: 0b80ade5-6997-4b1d-99a1-71701778ea61
      type: similar
status: test
description: Detects the import of the specified file to the registry with regedit.exe.
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Regedit/
    - https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
author: Oddvar Moe, Sander Wiebing, oscd.community
date: 2020-10-07
modified: 2024-03-13
tags:
    - attack.persistence
    - attack.t1112
    - attack.defense-evasion
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\regedit.exe'
        - OriginalFileName: 'REGEDIT.EXE'
    selection_cli:
        CommandLine|contains:
            - ' /i '
            - ' /s '
            - '.reg'
    filter_1:
        CommandLine|contains|windash:
            - ' -e '
            - ' -a '
            - ' -c '
    filter_2:
        CommandLine|re: ':[^ \\]'     # to avoid intersection with ADS rule
    condition: all of selection_* and not all of filter_*
falsepositives:
    - Legitimate import of keys
    - Evernote
level: medium