BIOC Informational

Creation of a new Microsoft Office default template

Microsoft Office contains default templates that open whenever you start Word or Excel. Attackers may create them to establish persistence.

Module:
Platform Analytics
Agent event type:
File
Category:
Persistence
Status:
Enabled
ATT&CK tactics: Persistence (TA0003)
ATT&CK techniques: Office Application Startup (T1137)
Indicator:

File file path = *Roaming\Microsoft\*\Normal.dotm , *\XLSTART\*.xltm , *\XLSTART\*.xlsb AND file path != *Windows\Recent\* AND action type = create Process initiated by != winword.exe AND excel.exe AND svchost.exe AND winlogon.exe AND scanstate.exe AND userprofilemanager.exe AND xcopy.exe AND loadstate.exe AND System AND initiator signature = Signed , Unsigned , N/A , Invalid Signature , Weak Hash AND initiator signer != Ivanti, Inc. AND VMware, Inc. AND Digital Guardian, Inc. AND Citrix Systems, Inc. AND AppSense AND Liquidware Labs, Inc. Host host os = windows

Preventable: yes