MX Lab, http://www.mxlab.eu, started to intercept a new trojan distribution campaign by email with the subject “Fax Message at 2014-05-06 08:55:55 EST”.
This email is send from the spoofed address “Fax Message <firstname.lastname@example.org>” and has the following body:
You have received 7 fax page(s) at 2014-05-06 08:55:55 EST.
* The reference number for this fax is airw_byl38-1900025563-6891008917-11.
* The transmission start time for this fax is .
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Screenshot of the email:
The embedded URL leads to hxxps://www.dropbox.com/meta_dl/**SHORTENED**
The downloaded ZIP file has the name Fax-932971.zip and contains the 146 kB large file Fax-932971.scr.
The trojan is known as PE:Malware.XPACK-HIE/Heur!1.9C48.
At the time of writing, only 1 of the 51 AV engines did detect the trojan at Virus Total so this is a potential risk.