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Tuesday, 2 August 2016

Malware spam: "Please see the attached last month’s paid bills for the company" leads to Locky

This fake financial spam has a malicious attachment:

From:    Nathanial Lane
Date:    2 August 2016 at 12:05
Subject:    Paid bills

Hello [redacted],

Please see the attached last month’s paid bills for the company

Best regards
Nathanial Lane
The name of the sender varies. It appears that these are being sent out in very high volumes. Attached to the email message is a randomly-named ZIP file which contains a malicious .js scripts beginning with "sales charts".

Thank you to my usual source for this analysis: the script downloads from one of the following locations:

158.199.158.185/e2ti07
212.26.129.68/f0671
acnek.com/zfwiice
alex-walter.de/gzag8yht
beate-oberle-kosmetik.de/jqbf9
breinco.com/~export/jrjnlkc
cinerd.info/wwekm4yk
clinic.gov.ua/my2vo
dev.appleleafabstracting.com/uis21
ecpi.ro/3kc9d2
essenciadoequilibrio.net/7vsuk59
exportwroclaw.cba.pl/565489s
fotografuj.pl/qk4zo4cv
gebetech.at/lpgrvcoa
go4leiner.de/8wofbvq
itconcept.md/mgvlj3m
jhengineering.szm.com/5242czu9
lifeserv.myarena.ru/0siarbi
madiv.ru/pbzgphhj
morfaux.fr/hvk9pc
my-result.ru/vhzj63z
nolwo.ru/nimsr
olis.atspace.com/b6aqk
plasseramerican.net/3064rl
psclimat.ru/rnn59v
realm-of-rage.heimat.eu/e4pxmx1
rsxxx.com/xy4dghdn
russiansnow.web.fc2.com/d8k6pqag
sancompany.ru/pl8in
setcoop.com.br/87pyu
siteriqi.bget.ru/sfgjthf
subbenim.atspace.com/kqfyrwph
system-inka.de/31f7r
terminatorzy.cba.pl/goix6
thehybrid.0catch.com/36sye
totalrepalrhonda.web.fc2.com/g6qx0t
tvoy-android.com/mqs5z
ultramarincentr.ru/soao7gp
woblk17jc.homepage.t-online.de/ao4sg9
wt7dzbn78.homepage.t-online.de/2x5qs94
www.arstaelteknik.com/6kpppb
www.bagana.net/0743nt3
www.cafealaska.es/bc3z9j9
www.cosentinoarredamenti.com/1zq31
www.dsalchi.org/dmkd5
www.gioilda.com/lcoucn62
www.serial-production.com/9c4xv
www.simons-vakantiehuisje.nl/2e3vp
www.stucchifedele.com/9c5m4g


The payload is Locky ransomware, phoning home to:

37.139.30.95/upload/_dispatch.php (Digital Ocean, Netherlands) [hostname belyi.myeasy.ru]
93.170.128.249/upload/_dispatch.php (Krek Ltd, Russia)


Recommended blocklist:
37.139.30.95
93.170.128.249



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