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Monday, 3 October 2016

Malware spam: "please sign" leads to Locky

This fake financial spam leads to Locky ransomware:

Subject:     please sign
From:     Ricardo Buchanan
Date:     Monday, 3 October 2016, 10:27

Hi [redacted],

I have made the paperwork you asked me to prepare two days ago.
Please check the attachment. It just needs your signature.



Best Wishes,
Ricardo Buchanan
CEO
In the only sample I have seen so far, the attachment name is paperwork_scan_7069f18e6.zip containing a malicious script paperwork scan ~1EB91.wsf plus a junk file with a single letter name. This obfuscated script [pastebin] appears to download Locky ransomware. Analysis is pending.

UPDATE

This Hybrid Analysis clearly shows Locky in action. According to my sources there are no C2s, and the download locations are:

027tzx.com/lscpv
5v5.net/wmas4
a1hose.com/j9ccher
arabhashtag.com/q2aatrh
arcworks.ca/xmz948l8
AVTORESURS.NET/n5rz8w
basofttech.com/lf7agf
bassbudsgame.com/ptqrx0bl
bradjones.com.au/qglrydv
champi.nl/v5zovddy
charge2go.com/coplbr
clinicaavellaneda.com/ovg45gh
crossroadspd.com/515grm
dangras.net/1f5d4mlo
dangras.net/3geg2zj
dangras.net/5edbite
dangras.net/6lebt
demo.academia-moscow.ru/f6wmma
demo.hostfabrica.ru/n8ygd
dotcom-enterprises.com/cpgskvx9
edrozd.net/zuz15wuc
eskrow.ru/gk2sabe
ferumusky.com/229k9z
ferumusky.com/3surnwl
ferumusky.com/5o11b5s
ferumusky.com/6nfhu0lt
galelaure.com/gvn4j9eq
glosalonline.com/adsry1c
hoamiu.info/lgvdn1l
honeine.com/h03dyzp
hrbqcc.com/kz3vidu6
jetxaviation.com/xbvqdt
joplinglobeonline.com/cc3al2x7
klipink.com/vfvlqynq
louisirby.com/cmlfoyb
louisirby.com/ejtocks
medicangka.com/0s7ygu
medicangka.com/2wn3r
medicangka.com/515grm
medicangka.com/65l4byy
mlsmaids.com/b2ofgow7
mrwebdirectory.net/vl4h091
mucicsitta.net/09xhx
mucicsitta.net/2imhkap
mucicsitta.net/4li3zc
mucicsitta.net/64vvi
mutiarafurniture.com/qwal3v9
netclip.ro/v6wj6yln
nonprofitbenefit.com/h6lne
ossiatzki.com/dyke9
p2pbikini.com/cm9s56to
parasaymamakina.net/ja152
relianceclouds.com/tr56dz8z
remont-vanosa.ru/j292hr
rondeaho.com/08dqn
rondeaho.com/24agob
rondeaho.com/4h2vq
rondeaho.com/5ubi0cxh
rosewong.com/va8asq
sentedesign.pt/pbery0
shinipri.com/brzvbi
softwaregolower.com/rddt0z
superoriente.com/kbgt8m4
syncfish.com/k7brjhgm
tandjsalon.com/gd5ke
tinoprins.nl/uji62x
trulytechnology.com/xs5t4q8
verafleischer.com/eh36e
vinabuhmwoo.com/64vvi
vipmarketing.co.il/ub0ybv5
welsell.com/tgtmzm
www.4u-byme.com/ay7ugmad
yogajourneyretreat.com/ewgjrey
yoobux.com/euy7k8
youspeak.pt/l5j3iw
yuzhuyuan.com/65l4byy
zachmacphoto.com/be8il1jb
zsvlomnica.sk/229k9z



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