Malware spam: Remittance Advice For Invoice 40502329 From C-Tech

This fake financial spam is not from C-Tech but is instead a simple forgery with a malicious attachment.

From:    Mary Mathis
Date:    19 January 2016 at 12:21
Subject:    Remittance Advice For Invoice 40502329 From C-Tech

Dear Accounts

Please find attached our current remittance advice.

Kind Regards


Mary Mathis MAAT

Accounts Assistant

Tel: +44 (0)1903 268599

Fax: +44 (0)1903 795454

The sender's name, references and name of the attachment will vary, the attachment itself is named something similar to remittance_advice40502329.doc. So far I have seen two versions with detection rates of 3/54 [1] [2] and the Malwr reports [3] [4] indicate a download from the following locations:

http://46.17.100.209/aleksei/smertin.php
http://31.131.20.217/aleksei/smertin.php

These IPs can be considered to be malicious and are allocated to:

46.17.100.209 (Mir Telematiki Ltd, Netherlands)
31.131.20.217 (PE Skurykhin Mukola Volodumurovuch, Ukraine)
 
The attack is very similar to this Dridex 120 spam run earlier today, except the download locations and dropped binary has changed to this one [VT] with an MD5 of c19959c2d372a7d40d4ba0f99745f114. According to this Malwr report, it phones home to the same evil IP address of 198.50.234.211 as before.