Zip-Doc - Word Launching MSHTA

Description

The pw protected zip attachment -> Word doc delivery method of Bazarloader utilizes Word to create an .hta file and launch it via MSHTA to connect to a malicious domain and pull down the Bazarloader paylaod.

Query · kql

DeviceProcessEvents
| where InitiatingProcessFileName =~ 'WINWORD.EXE' and FileName =~ 'cmd.exe' and ProcessCommandLine has_all('hta')
Raw source Zip-Doc - Word Launching MSHTA · KQL
Esc
Published by Azure/Azure-Sentinel ↗, licensed under MIT ↗. Reproduced here unmodified. 
id: e9924adb-3f5b-4ef2-8672-89ae381226f9
name: Zip-Doc - Word Launching MSHTA
description: |
  The pw protected zip attachment -> Word doc delivery method of Bazarloader utilizes Word to create an .hta file and launch it via MSHTA to connect to a malicious domain and pull down the Bazarloader paylaod.
requiredDataConnectors:
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceProcessEvents
tactics:
- Execution
query: |
  DeviceProcessEvents
  | where InitiatingProcessFileName =~ 'WINWORD.EXE' and FileName =~ 'cmd.exe' and ProcessCommandLine has_all('hta')

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.