File Selection Gaffe
Have you ever sent out the wrong file? I know it has happened to me, attaching the wrong file to an email.
And it happens to malicious actors too.
A reader sent us a malicious email with an attachment: PURCHASE ORDER.mmp
You must be thinking the same as me: what is an .mmp file? Microsoft Project? No, that seems to be .mpp.
Looking at it with a binary editor, it does seem to be some kind op project file:
I searched further for strings that might give me a clue, and found this:
Gammadyne Mailer is email marketing software.
This malicious actor sent out the project file for their mailing campaign!
Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com DidierStevensLabs.com
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Anonymous
Oct 19th 2020
3 years ago