Date: Mon, 28 Apr 2014 17:23:58 +0900 [04:23:58 EDT]Attached is a file emailinvoice.8630595.zip which in turn contains a malicious executable emailinvoice.197291101.exe which has a VirusTotal detection rate of 5/51.
From: Accounts Dept [firstname.lastname@example.org]
Subject: Email invoice: 2552266
This email contains an invoice file attachment
Automated analysis tools    show various system changes being made, but make no record of network activity.