Malware spam: "Reference Number #89044096, Notice of Unpaid Invoice" leads to Teslacrypt

This fake financial spam comes with a malicious attachment.

From:    Carol Mcgowan
Date:    15 December 2015 at 09:09
Subject:    Reference Number #89044096, Notice of Unpaid Invoice

Dear Valued Customer,

It seems that your account has a past due balance of $263,49. Previous attempts to collect the outstanding amount have failed.

Please remit $263,49 from invoice #89044096 within three days or your account will be closed, any outstanding orders will be cancelled and this matter will be referred to a collection agency.

The payment notice is enclosed to the letter down below.

Attached is a file invoice_89044096_scan.doc which has a VirusTotal detection rate of 2/54, and which contains this malicious macro [pastebin] which attempts to download a binary from the following location:

thewelltakeberlin.com/92.exe 

This domain was registered only today, and at the moment is not resolving properly. The payload here is likely to be Teslacrypt.

The WHOIS details for it are:

Registrant Name: Quinciano Huerta
Registrant Organization: Quinciano Huerta
Registrant Street: Vila Fonteles 163  
Registrant City: Fortaleza
Registrant State/Province: CE
Registrant Postal Code: 60741-080
Registrant Country: BR
Registrant Phone: +55.8568257712
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: wexel@thewelltakeberlin.com

Nameservers are dns1.saymylandgoodbye.in and dns2.saymylandgoodbye.in hosted on 5.178.71.5 (Serverius, Netherlands) and 83.69.233.102 (Awax Telecom, Russia)

Those two IPs host or have recently hosted the following potentially malicious domains:

buildites.com
dauth-mail.ru
ddonaldducks.in
directly-success.com
dmikymaus.in
dsaymylandgoodbye.in
dsoftextrain644.com
gammus.com
hackeroff.net
kalamarkesof.org
linuxczar.com
metiztransport.ru
miracleworld1.com
obamalox.com
outreel.ru
pro100now.ru
rapdacity.ru
remarkablyxj.top
staringpartnerk.com
sufficientbe.top
superiorityci.top
trillionstudio.com
vmark.su
workcccbiz.in

Recommended minimum blocklist:
thewelltakeberlin.com
83.69.233.102
5.178.71.5

UPDATE
There is a good analysis of this malware at TechHelpList including the C2 domains involved.