sigmamediumHunting

Microsoft VBA For Outlook Addin Loaded Via Outlook

Detects outlvba (Microsoft VBA for Outlook Addin) DLL being loaded by the outlook process

MITRE ATT&CK

execution

Detection Query

selection:
  Image|endswith: \outlook.exe
  ImageLoaded|endswith: \outlvba.dll
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2023-02-08

Data Sources

windowsImage Load Events

Platforms

windows

References

https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=58

Tags

attack.executionattack.t1204.002

Raw Content

title: Microsoft VBA For Outlook Addin Loaded Via Outlook
id: 9a0b8719-cd3c-4f0a-90de-765a4cb3f5ed
status: test
description: Detects outlvba (Microsoft VBA for Outlook Addin) DLL being loaded by the outlook process
references:
    - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=58
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-02-08
modified: 2024-03-12
tags:
    - attack.execution
    - attack.t1204.002
logsource:
    category: image_load
    product: windows
detection:
    selection:
        Image|endswith: '\outlook.exe'
        ImageLoaded|endswith: '\outlvba.dll'
    condition: selection
falsepositives:
    - Legitimate macro usage. Add the appropriate filter according to your environment
level: medium