Trojan.Siggen9.23057

Technical Information

To ensure autorun and distribution

Creates the following services

[<HKLM>\System\CurrentControlSet\Services\mskdbbsa] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\mskdbbsa] 'ImagePath' = '%WINDIR%\SysWOW64\mskdbbsa\gftvjghz.exe /d"<Full path to file>"'
[<HKLM>\SYSTEM\CurrentControlSet\services\mskdbbsa] 'ImagePath' = '%WINDIR%\SysWOW64\mskdbbsa\gftvjghz.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\mskdbbsa' = '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%\gftvjghz.exe
%WINDIR%\syswow64\config\systemprofile:.repos

Moves the following files

from %TEMP%\gftvjghz.exe to %WINDIR%\syswow64\mskdbbsa\gftvjghz.exe

Deletes itself.

Network activity

Connects to

'mt##.##0.yahoodns.net':25

TCP

HTTP GET requests

http://www.google.com/

'43.#31.4.7':443

'as###.daum.net':25

'mx#.##rgerbd.com':25

'mx####.##il.gm0.yahoodns.net':25

'mx.##l.com.br':25

'ms#####p-mx2.hinet.net':25

'mx#.qq.com':25

'mx#.free.fr':25

'sp###.#ail.gandi.net':25

'im##.##inkwaresys.com':25

'mx.##oeuro.com':25

'gw####.fortimail.com':25

'sp#####l.cerimay.co.uk':25

'mb####.mynet.com':25

'ma##.surfeu.fi':25

'mx#####.#ail.gm0.yahoodns.net':25

'ff######x-vip1.prodigy.net':25

'ma##.#obbyhorse.com':25

'alt1.gmail-smtp-in.l.google.com':25

'mx#.##tsolmail.net':25

'go###e.co.uk':443

'mx#.##ukiemail.com':25

'ma#####1.pimail.com.pk':25

'mx.##timum.net':25

'mx.##.#tinternet.com':25

'46.#8.66.2':422

'in##.rambler.ru':25

'd3#####.##s.barracudanetworks.com':25

'93.##9.69.109':422

'85.##4.134.88':486

'mi####.bittubeapp.com':13333

'ho#########.olc.protection.outlook.com':25

'mx####.#egamailservers.eu':25

'ASPMX.L.GOOGLE.COM':25

'mt##.##0.yahoodns.net':25

'alt2.aspmx.l.google.com':25

'eu#.###.#rotection.outlook.com':25

'li######.#lc.protection.outlook.com':25

'mx.###zta.onet.pl':25

'ar#########.mail.protection.outlook.com':25

'ma##.#lient.247.tv':25

'mx###.##il.am0.yahoodns.net':25

'ma##.#alticum-tv.lt':25

'ma##.##mautoclinic.com':25

'mx##.phpnet.org':25

'a4#####.mx.mailhop.org':25

'mx####.##il.am0.yahoodns.net':25

'mx###.clara.net':25

'alt1.aspmx.l.google.com':25

'us#######nbound-2.mimecast.com':25

'78.#1.67.23':422

'18#.#65.238.150':422

'17#.#.114.177':422

'46.#.52.109':422

'mx#.#anmail.net':25

'mx.#####ce.govdelivery.com':25

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK ce###ay.co.uk
DNS ASK sp#####l.cerimay.co.uk
DNS ASK mo##lix.dk
DNS ASK re##er.dk
DNS ASK na##r.com
DNS ASK mx#.#aver.com
DNS ASK wi##sa.com
DNS ASK ti###linet.it
DNS ASK ec###hare.com
DNS ASK aa#.dk
DNS ASK mx#.##ailsrvr.com
DNS ASK ye###sure.com
DNS ASK cl######.us.messagelabs.com
DNS ASK my##t.com
DNS ASK mb####.mynet.com
DNS ASK ku##com.net
DNS ASK mx.#######.net.cust.b.hostedemail.com
DNS ASK wa##doo.fr
DNS ASK sm####n.orange.fr
DNS ASK fl##hnet.it
DNS ASK in.###babusiness.it
DNS ASK wm##.com.br
DNS ASK ph##hvt.com
DNS ASK mx#######001.gslb.pphosted.com
DNS ASK my###mail.net
DNS ASK ca####eremiason.com
DNS ASK mx#######702.gslb.pphosted.com
DNS ASK ko##umat.de
DNS ASK mx##.#spgateway.de
DNS ASK em##l.com
DNS ASK mx##.mail.com
DNS ASK em###tes.net.ae
DNS ASK dc######.emirates.net.ae
DNS ASK or####dsgaard.dk
DNS ASK ex###mobil.com
DNS ASK ma####.exxonmobil.com
DNS ASK ad###h.ppg.br
DNS ASK wa###nhut.com
DNS ASK mx#.###ntec.iphmx.com
DNS ASK mx.##oeuro.com
DNS ASK wd##pp.com
DNS ASK gw####.fortimail.com
DNS ASK ti##ali.it
DNS ASK et###.#ail.tiscali.it
DNS ASK ji####ilmore.com
DNS ASK fo##m.dk
DNS ASK fo####ail.forum.dk
DNS ASK nc##.edu
DNS ASK ac###eenergy.ca
DNS ASK l1#.fi
DNS ASK so#y.dk
DNS ASK wm###ero.com
DNS ASK sp###.#ail.gandi.net
DNS ASK mx.#.#ocaweb.com.br
DNS ASK yo####ksofine.eu
DNS ASK nu###email.com
DNS ASK mx#.##ukiemail.com
DNS ASK jr##ods.com
DNS ASK sm##.##cureserver.net
DNS ASK bl####nder.co.uk
DNS ASK mx.##.##mail.iss.as9143.net
DNS ASK pi###l.com.pk
DNS ASK ma#####1.pimail.com.pk
DNS ASK op###line.net
DNS ASK mx.##timum.net
DNS ASK mx######91d01.pphosted.com
DNS ASK bt###ernet.com
DNS ASK su#####ptions.ahrq.gov
DNS ASK mx.#####ce.govdelivery.com
DNS ASK is#.de
DNS ASK mx##.#nity-mail.com
DNS ASK ra##ler.ru
DNS ASK in##.rambler.ru
DNS ASK ya###.com.br
DNS ASK ya##o.co.in
DNS ASK py#.com.co
DNS ASK ec##es.net
DNS ASK sp###ify.com
DNS ASK ya##o.ro
DNS ASK fr###iernet.net
DNS ASK at#.com
DNS ASK a-###cept.co.uk
DNS ASK it#l.it
DNS ASK ya###.com.sg
DNS ASK mx#####.#ail.gm0.yahoodns.net
DNS ASK co##ast.net
DNS ASK mx#.#omcast.net
DNS ASK jp.#bm.com
DNS ASK sb###obal.net
DNS ASK ff######x-vip1.prodigy.net
DNS ASK ho###horse.com
DNS ASK im###.queen.it
DNS ASK ma##.surfeu.fi
DNS ASK su##eu.fi
DNS ASK ma##.#obbyhorse.com
DNS ASK ya##o.in
DNS ASK ge####asouthern.edu
DNS ASK cn.#bm.com
DNS ASK ya##o.co.uk
DNS ASK hu##en.com
DNS ASK mx#.##tsolmail.net
DNS ASK go###e.co.uk
DNS ASK ea#####toremember.com
DNS ASK sa##ee.com
DNS ASK gm##l.com
DNS ASK alt1.gmail-smtp-in.l.google.com
DNS ASK ve##zon.net
DNS ASK vo#.com
DNS ASK mx#.free.fr
DNS ASK fr#e.fr
DNS ASK de##itte.ca
DNS ASK mx#.####9-40.ca.iphmx.com
DNS ASK re#####.lombardia.it
DNS ASK mi#######2.regione.lombardia.it
DNS ASK li##ro.it
DNS ASK sm####n.libero.it
DNS ASK ho##ail.fr
DNS ASK ce###ese.com
DNS ASK mx#######101.gslb.pphosted.com
DNS ASK li#e.de
DNS ASK ed###dner.com
DNS ASK ya##o.de
DNS ASK ba###cum-tv.lt
DNS ASK ma##.#alticum-tv.lt
DNS ASK gs.com
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK ne###ert.com
DNS ASK ma##.#lient.247.tv
DNS ASK co###ist.com
DNS ASK md####oclinic.com
DNS ASK ma##.##mautoclinic.com
DNS ASK eu#.###.#rotection.outlook.com
DNS ASK li#e.fr
DNS ASK li######.#lc.protection.outlook.com
DNS ASK ar#########.mail.protection.outlook.com
DNS ASK ar#.aon.com
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK sm####n.virgilio.it
DNS ASK ho##ail.com
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK ho#########.olc.protection.outlook.com
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK al##e.de
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK mx####.#egamailservers.eu
DNS ASK ya##o.it
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK mx###.##il.am0.yahoodns.net
DNS ASK mi####.bittubeapp.com
DNS ASK ho###dayisd.net
DNS ASK ASPMX.L.GOOGLE.COM
DNS ASK bo###nvw.com
DNS ASK alt2.aspmx.l.google.com
DNS ASK lf#####portes.com.br
DNS ASK op.pl
DNS ASK mx.###zta.onet.pl
DNS ASK vi###tron.ca
DNS ASK mx.##deotron.ca
DNS ASK ya##o.com
DNS ASK vi##ilio.it
DNS ASK mt##.##0.yahoodns.net
DNS ASK li##.com
DNS ASK a4#####.mx.mailhop.org
DNS ASK fa###ebnet.it
DNS ASK mx#.##stwebnet.it
DNS ASK te###stems.com
DNS ASK mx#######f01.gslb.pphosted.com
DNS ASK be###rbd.com
DNS ASK mx#.##rgerbd.com
DNS ASK th###ware.com
DNS ASK im##.##inkwaresys.com
DNS ASK co###serve.com
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK as###.daum.net
DNS ASK eo###tes.com
DNS ASK google.com
DNS ASK uo#.com.br
DNS ASK us.#bm.com
DNS ASK mx######b2d01.pphosted.com
DNS ASK ms#.#inet.net
DNS ASK ms#####p-mx2.hinet.net
DNS ASK az##p.vr.it
DNS ASK qq.com
DNS ASK mx#.qq.com
DNS ASK ya##o.es
DNS ASK wm##pa.com
DNS ASK mx.##l.com.br
DNS ASK ac###edt.com
DNS ASK tr#####lendinggroup.com
DNS ASK mx.##.#tinternet.com
DNS ASK pr####2.echoes.net
DNS ASK st####giclien.com
DNS ASK me###mclick.com
DNS ASK so###hoca.com
DNS ASK no##dr.com
DNS ASK ua##.edu
DNS ASK mx#######a01.gslb.pphosted.com
DNS ASK sr##aw.com
DNS ASK ar###ours.com
DNS ASK mx####.##il.am0.yahoodns.net
DNS ASK st####elegram.com
DNS ASK ho##ail.de
DNS ASK d3#####.##s.barracudanetworks.com
DNS ASK pa##n.com
DNS ASK st###sline.com
DNS ASK st###sman.com
DNS ASK alt1.aspmx.l.google.com
DNS ASK st#.com
DNS ASK ma###chip.com
DNS ASK ma###.magnachip.com
DNS ASK la###htime.com
DNS ASK st##aw.com
DNS ASK us#######nbound-2.mimecast.com
DNS ASK ha##ail.net
DNS ASK mx#.#anmail.net
DNS ASK mx##.phpnet.org
DNS ASK mx###.clara.net
DNS ASK le####rental.co.zw

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\mskdbbsa\gftvjghz.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\mskdbbsa\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\gftvjghz.exe" %WINDIR%\SysWOW64\mskdbbsa\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create mskdbbsa binPath= "%WINDIR%\SysWOW64\mskdbbsa\gftvjghz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description mskdbbsa "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start mskdbbsa' (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\mskdbbsa\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\gftvjghz.exe" %WINDIR%\SysWOW64\mskdbbsa\
'%WINDIR%\syswow64\sc.exe' create mskdbbsa binPath= "%WINDIR%\SysWOW64\mskdbbsa\gftvjghz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description mskdbbsa "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start mskdbbsa
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs3GJeLpK9P2RqEpCXWpirL9u7wrGwoPmTJTemNtc7QpSTE24ybGdgtBmXSxhkTitLPyRh8sVz7qmM9TYnhXoZ6G1kARcnhMT.60000 -p x -k

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