sigmahighHunting

Suspicious Response File Execution Via Odbcconf.EXE

Detects execution of "odbcconf" with the "-f" flag in order to load a response file with a non-".rsp" extension.

MITRE ATT&CK

defense-evasion

Detection Query

selection_img:
  - Image|endswith: \odbcconf.exe
  - OriginalFileName: odbcconf.exe
selection_cli:
  CommandLine|contains|windash: " -f "
filter_main_rsp_ext:
  CommandLine|contains: .rsp
filter_main_runonce_odbc:
  ParentImage: C:\Windows\System32\runonce.exe
  Image: C:\Windows\System32\odbcconf.exe
  CommandLine|contains: .exe /E /F "C:\WINDOWS\system32\odbcconf.tmp"
condition: all of selection_* and not 1 of filter_main_*

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2023-05-22

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.defense-evasionattack.t1218.008

Raw Content

title: Suspicious Response File Execution Via Odbcconf.EXE
id: 2d32dd6f-3196-4093-b9eb-1ad8ab088ca5
related:
    - id: 5f03babb-12db-4eec-8c82-7b4cb5580868
      type: derived
    - id: 65d2be45-8600-4042-b4c0-577a1ff8a60e
      type: obsolete
status: test
description: Detects execution of "odbcconf" with the "-f" flag in order to load a response file with a non-".rsp" extension.
references:
    - https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16
    - https://lolbas-project.github.io/lolbas/Binaries/Odbcconf/
    - https://www.trendmicro.com/en_us/research/17/h/backdoor-carrying-emails-set-sights-on-russian-speaking-businesses.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-22
modified: 2024-03-13
tags:
    - attack.defense-evasion
    - attack.t1218.008
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\odbcconf.exe'
        - OriginalFileName: 'odbcconf.exe'
    selection_cli:
        CommandLine|contains|windash: ' -f '
    filter_main_rsp_ext:
        CommandLine|contains: '.rsp'
    filter_main_runonce_odbc:
        # When odbcconf is run with the "/R" flag, it creates a "runonce" key to run at the next reboot
        ParentImage: 'C:\Windows\System32\runonce.exe'
        Image: 'C:\Windows\System32\odbcconf.exe'
        CommandLine|contains: '.exe /E /F "C:\WINDOWS\system32\odbcconf.tmp"'
    condition: all of selection_* and not 1 of filter_main_*
falsepositives:
    - Unlikely
level: high