Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\xlcdhiun] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\xlcdhiun] 'ImagePath' = '<SYSTEM32>\xlcdhiun\gnaadogb.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\xlcdhiun] 'ImagePath' = '<SYSTEM32>\xlcdhiun\gnaadogb.exe'
Malicious functions
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system
Creates the following files
- %TEMP%\gnaadogb.exe
- C:\documents and settings\localservice:.repos
Moves the following files
- from %TEMP%\gnaadogb.exe to <SYSTEM32>\xlcdhiun\gnaadogb.exe
Deletes itself.
Network activity
Connects to
- 'ac###########c-service-prod03.ol.epicgames.com':443
- 'mx#.#olinc.com':25
- 'un###rgo.co.za':25
- 'mx#.qq.com':25
- 'fm###.mycci.net':25
- 'ma##.#pitzbarth.com':25
- 'mx.##lus.net':25
- 'ho#########.olc.protection.outlook.com':25
- 'sm####n.libero.it':25
- 'mx#.##tsolmail.net':25
- 'gr###nwitz.de':25
- 'ma####.nebula.fi':25
- 'ma##.#-nemeth.at':25
- 'mx#######f01.gslb.pphosted.com':25
- 'ar.###.terra.com':25
- 'mx.##bleone.net':25
- 'mx.###sin.plus.net':25
- '50.#6.4.139':443
- 'AS####.GOOGLEMAIL.COM':25
- 'aspmx.l.google.com':25
- 'ms#####p-mx2.hinet.net':25
- 'eu#.###.#rotection.outlook.com':25
- 'mx###.##il.am0.yahoodns.net':25
- 'mx#.##ailsrvr.com':25
- 'in#.#anadoo.es':25
- 'na#.###.#rotection.outlook.com':25
- 'ms#####p-mx1.hinet.net':25
- 'mt##.##0.yahoodns.net':25
- 'mx#.#harter.net':25
- 'mx#.#anmail.net':25
- 'ms#####.##c.protection.outlook.com':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK gr#####treachcenter.org
- DNS ASK gr###nwitz.de
- DNS ASK ma####.nebula.fi
- DNS ASK so##do.fi
- DNS ASK ma##.#-nemeth.at
- DNS ASK g-##meth.at
- DNS ASK mx#######f01.gslb.pphosted.com
- DNS ASK fo##y.com
- DNS ASK mx#.##tsolmail.net
- DNS ASK mx.##bleone.net
- DNS ASK so#####ficesolution.com
- DNS ASK mx#.#anmail.net
- DNS ASK ha##ail.net
- DNS ASK mx.###sin.plus.net
- DNS ASK ch#####storm.plus.com
- DNS ASK AS####.GOOGLEMAIL.COM
- DNS ASK so###o.com.br
- DNS ASK aspmx.l.google.com
- DNS ASK ca###one.net
- DNS ASK li##ro.it
- DNS ASK sm####n.libero.it
- DNS ASK so###os.com.co
- DNS ASK ms#.com
- DNS ASK ar.###.terra.com
- DNS ASK sp###y.com.ar
- DNS ASK mx#.#olinc.com
- DNS ASK uo###veo.com
- DNS ASK un###rgo.co.za
- DNS ASK mx#.qq.com
- DNS ASK qq.com
- DNS ASK fm###.mycci.net
- DNS ASK su###est.net
- DNS ASK ma##.#pitzbarth.com
- DNS ASK sp###barth.com
- DNS ASK mx.##lus.net
- DNS ASK te###planet.net
- DNS ASK so###oxygen.com
- DNS ASK ch###ertn.net
- DNS ASK li#e.fr
- DNS ASK cy####magery.com
- DNS ASK th###hts.net
- DNS ASK so###o.arq.br
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK ya##o.de
- DNS ASK mx#.#harter.net
- DNS ASK ch##ter.net
- DNS ASK na#.###.#rotection.outlook.com
- DNS ASK li#e.ca
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK us.#bm.com
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK ya##o.com
- DNS ASK ga##et.com
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK mb####.mynet.com
- DNS ASK my##t.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 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK ms#.#inet.net
- DNS ASK mx#.day.org
- DNS ASK ho##ail.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK mx#.##ailsrvr.com
- DNS ASK fl###able.com
- DNS ASK in#.#anadoo.es
- DNS ASK wa##doo.es
- DNS ASK ac###########c-service-prod03.ol.epicgames.com
- DNS ASK google.com
- DNS ASK le###direct.net
- DNS ASK ALT2.ASPMX.L.GOOGLE.com
- DNS ASK am##w.com
- DNS ASK ms##.hinet.net
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK co###serve.com
- DNS ASK ma##.##vanakitchen.com
- DNS ASK ha####kitchen.com
- DNS ASK ho##ail.fr
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK li#e.de
- DNS ASK mx#####.ppe-hosted.com
- DNS ASK so####etworks.com
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ai#.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\xlcdhiun\gnaadogb.exe' /d"<Full path to file>"
- '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\xlcdhiun\' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\gnaadogb.exe" <SYSTEM32>\xlcdhiun\' (with hidden window)
- '<SYSTEM32>\sc.exe' create xlcdhiun binPath= "<SYSTEM32>\xlcdhiun\gnaadogb.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '<SYSTEM32>\sc.exe' description xlcdhiun "wifi internet conection"' (with hidden window)
- '<SYSTEM32>\sc.exe' start xlcdhiun' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\xlcdhiun\
- '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\gnaadogb.exe" <SYSTEM32>\xlcdhiun\
- '<SYSTEM32>\sc.exe' create xlcdhiun binPath= "<SYSTEM32>\xlcdhiun\gnaadogb.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '<SYSTEM32>\sc.exe' description xlcdhiun "wifi internet conection"
- '<SYSTEM32>\sc.exe' start xlcdhiun
- '<SYSTEM32>\svchost.exe'
