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13__C's avatar
13__C
Copper Contributor
Jan 09, 2024

Outlook.exe creating and downloading

I am viewing an alert for malware and am confused about the MDE timeline. Just before the AV quarantined the file I see OUTLOOK.EXE creating and downloading an email attachment in \AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\ .

 

I see 0 emails with this file name or hash value in Email & Collab explorer for this user and also doing a Advance Hunt for EmailAttachmentInfo and DeviceFileEvents I get 0 results for the naming or hash in the users specific device or any device on our network.

 

Am I miss understanding how OUTLOOK.EXE works? Is the creation and downloading events not the user downloading a file from their email?

1 Reply

  • jbmartin6's avatar
    jbmartin6
    Iron Contributor
    MDE's hunting data only goes 30 days, I don't know about the email explorer. But is is possible the attachment was on an email received in the past that has aged out of the data you are searching.

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