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Monday 24 October 2016

Malware spam: "Complaint letter" leads to Locky

This spam leads to Locky ransomware:

From     "Justine Hodge"
Date     Mon, 24 Oct 2016 19:27:53 +0600
Subject     Complaint letter

Dear [redacted],

Client sent a complaint letter regarding the data file you provided.
The letter is attached.

Please review his concerns carefully and reply him as soon as possible.

Best regards,
Justine Hodge
The name of the sender varies. Attached is a ZIP file with a name similar to saved_letter_e154ddcc.zip containing a malicious .JS scripts with a name starting with "saved letter".

My source tells me that this scripts download from one of the following locations:

adultmagstore.com/itc0h81
alkanshop.com/zrwcx8om
azaminsaat.com/nyzhvh2c
bwocc.org/dkttu
circolorisveglio.com/dw2hheb
coreywallace.com/qjkrlxp
corployalty.it-strategy.ru/p4icah5h
cruzdemiguel.com/jittrxkr
cz1321.com/zg4c4m
decorvise.com/g7k3n
denas-express.ru/fl5vy16
desthailand.com/wfmaq0az
disneyrentalvillas.com/k2ars5j2
downtownlaoffice.com/ixmh1
DSWRITINGS.ORG/lnf7gv
duvalitatli.com/umx3btc1
executivegolfmanagement.com/qtzsegm6
firephonesex.com/bxuobuam
fjbszl.com/m4q1pmr5
fraildata.net/09rz1jcj
fraildata.net/4s1szk77
fraildata.net/5ti18g
fraildata.net/9b8cba
getitsold.info/cndrdsu9
girlsoffire.com/d2k0b967
GNSTUDIO.NET/sxv6fhqo
greenmedicalgroup.org/dy7s5
gruffcrimp.com/352gr0
gruffcrimp.com/5inrze
gruffcrimp.com/8vzak
gruffcrimp.com/bki56h
gunnisonkoa.com/d5cw6
gzxyz.net/zznej
hetaitop.com/pgq8e
infopea.com/bm747o9
iwebmediasavvy.com/eu7mq36w
jejuep.com/jh7rrgbi
jejui.com/j1ldsf
julianhand.com/hollu
jzmkj.net/y7tf2
kak-vernut-devushku.gq/rwlr9
kirijones.net/2b8fnrqm
kirijones.net/4v7574mp
kirijones.net/66wey
kirijones.net/a2r3pme
lqfrdj.com/rbpkt
luobuma8.com/h5hq2que
myboatplans.net/p8gik2g8
nightpeople.co.il/o8le7
onlysalz.com/xjo100
payrentonline.org/l3mdiv7y
pblossom.com/t78u8
potchnoun.com/06p2vxua
potchnoun.com/38j2xn
potchnoun.com/5ngsn8g5
potchnoun.com/8x2nt
privateclubmag.com/wyztr73
prodesc.net/x7nlxq
relentlesspt.com/faisexor
riyuegu.net/o69ecb
royallife.co.uk/mx5nck
ryanrandom.com/hwv97p8
scope-t.com/loinhgm
sexybliss.co.uk/en8ds7nt
sunproductivity.com/m6ot1
taiyuwanli.com/cpkd9
theleadershipdoc.com/wm1bv
turservice.xaker007.net/k92b92
ukdistributionservices.com/x1397
vowedbutea.net/2f1okfif
vowedbutea.net/5491o
vowedbutea.net/8jtnj8nt
vowedbutea.net/apupuyh3
weekcoupon.com/hggbcg
wjyunfanbs.com/ihku0r53
www.studiorif.ru/toiu7
xn--80aa3c3a.xn--b1aajgfxm2a9g.xn--p1ai/xip5lltq
xn--b1aajgfxm2a9g.xn--p1ai/dxd3v
yourrealestateconnection.us/rlfh0

The malware phones home to the following URLs:

109.234.35.215/linuxsucks.php (McHost.ru, Russia)
91.200.14.124/linuxsucks.php [hostname: artem.kotyuzhanskiy.example.com] [91.200.14.124] (SKS-Lugan / Vhoster, Ukraine)
185.102.136.77/linuxsucks.php [hostname: artkoty.mgn-host.ru] [185.102.136.77] (MGNHOST, Russia)
81.177.22.221/linuxsucks.php (Netplace, Russia)


The following URLs are also contacted but are not active:

mehksltbkd.info/linuxsucks.php
wugijvpctg.click/linuxsucks.php
svyegag.su/linuxsucks.php
fvhnnhggmck.ru/linuxsucks.php
tdlqkewyjwakpru.ru/linuxsucks.php
tnhtfmoglsjarf.work/linuxsucks.php
bhfcyqagglplpt.info/linuxsucks.php
yxlpkrhhkbyhrn.work/linuxsucks.php
fhbllecpavbrxlvci.org/linuxsucks.php
krtwpukq.su/linuxsucks.php
yptehqhsgdvwsxc.biz/linuxsucks.php
otcnomgbqko.work/linuxsucks.php

Recommended blocklist:
109.234.35.0/24
91.200.14.124
185.102.136.77
 
81.177.22.221



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