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Wednesday 19 April 2017

Malware spam: "Copy of your 123-reg invoice" / no-reply@123-reg.co.uk

This fake financial spam does not come from 123-Reg (nor is it sent to 123-Reg customers). It has a malicious attachment.

From     no-reply@123-reg.co.uk
Date     Wed, 19 Apr 2017 17:19:51 +0500
Subject     Copy of your 123-reg invoice ( 123-093702027 )

Hi [redacted],

Thank you for your order.

Please find attached to this email a receipt for this payment.

Help and support

If you are still stuck why not contact our support team? Simply visit our 123-reg
Support Centre and click on the Ask a Question tab.

Thank you for choosing 123-reg.

The 123-reg team.
https://www.123-reg.co.uk
The invoice number is randomly generated. The attachment is a PDF file with a name matching the invoice number (e.g. 123-093702027-reg-invoice.pdf).

This PDF file appears to drop an Office document according to VirusTotal results.

Hybrid Analysis shows the document dropping a malicious executable with a detection rate of 15/61. It appears to contact the following IPs (some of which contain legitimate sites):

216.87.186.15 (Affinity Internet, US)
216.177.132.93 (Alentus Corporation, US)
152.66.249.132 (Budapest University of Technology and Economics, Budapest)
85.214.113.207 (Strato AG, Germany)
192.184.84.119 (RamNode LLC, US)

The general prognosis seems to be that this is dropping the Dridex banking trojan.

Recommended blocklist:
216.87.186.15
216.177.132.93
152.66.249.132
85.214.113.207
192.184.84.119



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