Date: Tue, 26 Mar 2013 20:54:54 +0600 [10:54:54 EDT]
From: UPS Express Services [email@example.com]
Subject: UPS - Your package is available for pickup ( Parcel 4HS287FD )
The courier company was not able to deliver your parcel by your address.
Cause: Error in shipping address.
You may pickup the parcel at our post office.
For mode details and shipping label please see the attached file.
Print this label to get this package at our post office.
Please do not reply to this e-mail, it is an unmonitored mailbox!
UPS Logistics Services.
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The attachment Label_8827712794.zip contains a malicious binary called Label_8827712794.exe which has a VirusTotal score of just 6/46. ThreatExpert reports that the malware is a Pony downloader which tries to phone home to:
aseforum.ro (220.127.116.11 / Vexxhost, Canada)
23.localizetoday.com (18.104.22.168 / Linode, US)
Assuming that all domains on those are malicious, this is a partial blocklist: