Potentially Suspicious ODBC Driver Registered

Hunt Hypothesis

Detects the registration of a new ODBC driver where the driver is located in a potentially suspicious location

Detection Rule

Sigma (Original)

title: Potentially Suspicious ODBC Driver Registered
id: e4d22291-f3d5-4b78-9a0c-a1fbaf32a6a4
status: test
description: Detects the registration of a new ODBC driver where the driver is located in a potentially suspicious location
references:
    - https://www.hexacorn.com/blog/2020/08/23/odbcconf-lolbin-trifecta/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-23
modified: 2023-08-17
tags:
    - attack.credential-access
    - attack.persistence
    - attack.t1003
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\SOFTWARE\ODBC\ODBCINST.INI\'
        TargetObject|endswith:
            - '\Driver'
            - '\Setup'
        Details|contains:
            - ':\PerfLogs\'
            - ':\ProgramData\'
            - ':\Temp\'
            - ':\Users\Public\'
            - ':\Windows\Registration\CRMLog'
            - ':\Windows\System32\com\dmp\'
            - ':\Windows\System32\FxsTmp\'
            - ':\Windows\System32\Microsoft\Crypto\RSA\MachineKeys\'
            - ':\Windows\System32\spool\drivers\color\'
            - ':\Windows\System32\spool\PRINTERS\'
            - ':\Windows\System32\spool\SERVERS\'
            - ':\Windows\System32\Tasks_Migrated\'
            - ':\Windows\System32\Tasks\Microsoft\Windows\SyncCenter\'
            - ':\Windows\SysWOW64\com\dmp\'
            - ':\Windows\SysWOW64\FxsTmp\'
            - ':\Windows\SysWOW64\Tasks\Microsoft\Windows\PLA\System\'
            - ':\Windows\SysWOW64\Tasks\Microsoft\Windows\SyncCenter\'
            - ':\Windows\Tasks\'
            - ':\Windows\Temp\'
            - ':\Windows\Tracing\'
            - '\AppData\Local\Temp\'
            - '\AppData\Roaming\'
    condition: selection
falsepositives:
    - Unlikely
level: high

KQL (Azure Sentinel)

imRegistry
| where RegistryKey endswith "\\SOFTWARE\\ODBC\\ODBCINST.INI*" and (RegistryKey endswith "\\Driver" or RegistryKey endswith "\\Setup") and (RegistryValueData contains ":\\PerfLogs\\" or RegistryValueData contains ":\\ProgramData\\" or RegistryValueData contains ":\\Temp\\" or RegistryValueData contains ":\\Users\\Public\\" or RegistryValueData contains ":\\Windows\\Registration\\CRMLog" or RegistryValueData contains ":\\Windows\\System32\\com\\dmp\\" or RegistryValueData contains ":\\Windows\\System32\\FxsTmp\\" or RegistryValueData contains ":\\Windows\\System32\\Microsoft\\Crypto\\RSA\\MachineKeys\\" or RegistryValueData contains ":\\Windows\\System32\\spool\\drivers\\color\\" or RegistryValueData contains ":\\Windows\\System32\\spool\\PRINTERS\\" or RegistryValueData contains ":\\Windows\\System32\\spool\\SERVERS\\" or RegistryValueData contains ":\\Windows\\System32\\Tasks_Migrated\\" or RegistryValueData contains ":\\Windows\\System32\\Tasks\\Microsoft\\Windows\\SyncCenter\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\com\\dmp\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\FxsTmp\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\Tasks\\Microsoft\\Windows\\PLA\\System\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\Tasks\\Microsoft\\Windows\\SyncCenter\\" or RegistryValueData contains ":\\Windows\\Tasks\\" or RegistryValueData contains ":\\Windows\\Temp\\" or RegistryValueData contains ":\\Windows\\Tracing\\" or RegistryValueData contains "\\AppData\\Local\\Temp\\" or RegistryValueData contains "\\AppData\\Roaming\\")

KQL (Microsoft 365 Defender)

DeviceRegistryEvents
| where RegistryKey endswith "\\SOFTWARE\\ODBC\\ODBCINST.INI*" and (RegistryKey endswith "\\Driver" or RegistryKey endswith "\\Setup") and (RegistryValueData contains ":\\PerfLogs\\" or RegistryValueData contains ":\\ProgramData\\" or RegistryValueData contains ":\\Temp\\" or RegistryValueData contains ":\\Users\\Public\\" or RegistryValueData contains ":\\Windows\\Registration\\CRMLog" or RegistryValueData contains ":\\Windows\\System32\\com\\dmp\\" or RegistryValueData contains ":\\Windows\\System32\\FxsTmp\\" or RegistryValueData contains ":\\Windows\\System32\\Microsoft\\Crypto\\RSA\\MachineKeys\\" or RegistryValueData contains ":\\Windows\\System32\\spool\\drivers\\color\\" or RegistryValueData contains ":\\Windows\\System32\\spool\\PRINTERS\\" or RegistryValueData contains ":\\Windows\\System32\\spool\\SERVERS\\" or RegistryValueData contains ":\\Windows\\System32\\Tasks_Migrated\\" or RegistryValueData contains ":\\Windows\\System32\\Tasks\\Microsoft\\Windows\\SyncCenter\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\com\\dmp\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\FxsTmp\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\Tasks\\Microsoft\\Windows\\PLA\\System\\" or RegistryValueData contains ":\\Windows\\SysWOW64\\Tasks\\Microsoft\\Windows\\SyncCenter\\" or RegistryValueData contains ":\\Windows\\Tasks\\" or RegistryValueData contains ":\\Windows\\Temp\\" or RegistryValueData contains ":\\Windows\\Tracing\\" or RegistryValueData contains "\\AppData\\Local\\Temp\\" or RegistryValueData contains "\\AppData\\Roaming\\")

Required Data Sources

False Positive Guidance

• Unlikely

MITRE ATT&CK Context

• Tactic: Credential Access
• Tactic: Persistence
• Technique: T1003 — T1003

References

• https://www.hexacorn.com/blog/2020/08/23/odbcconf-lolbin-trifecta/
• SigmaHQ Rule