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Thursday 8 October 2015

Malware spam: "Receipt from Norfolk Dance" / "[info@norfolkdance.co.uk]"

This fake financial email is not from Norfolk Dance but is instead a simply forgery with a malicious attachment:

From     "info" [info@norfolkdance.co.uk]
Date     Thu, 08 Oct 2015 12:39:28 +0300
Subject     Receipt from Norfolk Dance

Please find receipt for payment attached.

Many Thanks

Norfolk Dance
14 Chapel Field North
Norwich
Norfolk
NR2 1NY
Telephone: 01603 283399
E mail: info@norfolkdance.co.uk
Attached is a file Receipt.doc which I have seen in two different versions (VT detection rate 4/56 and 3/56) each containing a different malicious macro [1] [2] [Pastebin] which download a malicious binary from one of the following locations:

katastimataone.com/bvcb34d/983bv3.exe
archives.wnpvam.com/bvcb34d/983bv3.exe


This is saved as %TEMP%\fDe12.exe and currently has a VirusTotal detection rate of 4/55. The VirusTotal report indicates traffic to the following IP:

198.61.187.234 (Rackspace, US)

I recommend that you block traffic to this IP. Automated analysis is pending (check back later) but the payload is almost definitely the Dridex banking trojan.

MD5s:
bb4d2d606091de154e81e292036981c8
80fba8c6b4947cea3d55cef66515d70f
1f5d975dedd140e62f794993792d906b
de413dd09e70e1dc48c5060afe3f87f0
70570b4d1806a25414959d7967bb542f


Update:
The Hybrid Analysis report for the DOC file is here, and their analysis of the executable is available here with a Malwr report also here.

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