Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\xzagoxk] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\xzagoxk] 'ImagePath' = '%WINDIR%\SysWOW64\xzagoxk\qcbpaksm.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\xzagoxk] 'ImagePath' = '%WINDIR%\SysWOW64\xzagoxk\qcbpaksm.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\xzagoxk' = '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%\qcbpaksm.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\qcbpaksm.exe to %WINDIR%\syswow64\xzagoxk\qcbpaksm.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://ap#.##-cy.ru:35000/
- http://89.##.105.12/ip.shtml
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK ya##o.es
- DNS ASK mx#######a02.gslb.pphosted.com
- DNS ASK ge.com
- DNS ASK av##tis.com
- DNS ASK pa##ora.be
- DNS ASK mx#.##lenet-ops.be
- DNS ASK ap#.#r-cy.ru
- DNS ASK te##net.be
- DNS ASK mx##.#-online.de
- DNS ASK t-##line.de
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK ne###ape.net
- DNS ASK sm####n.libero.it
- DNS ASK li##ro.it
- DNS ASK ya##o.com
- DNS ASK mx###03.web.de
- DNS ASK we#.de
- DNS ASK go###e.co.uk
- DNS ASK google.com
- DNS ASK bt###nworld.com
- DNS ASK ta###banka.sk
- DNS ASK mx#########st-2.prod.hydra.sophos.com
- DNS ASK sm###.tatrabanka.sk
- DNS ASK bu###tech.com
- DNS ASK mx.####.seg-egs.gc.ca
- DNS ASK hc##c.gc.ca
- DNS ASK ma##.#iwedorren.se
- DNS ASK ji###orren.se
- DNS ASK sm##.artech.se
- DNS ASK ar##ch.se
- DNS ASK sm##.renault.fr
- DNS ASK re##ult.com
- DNS ASK aspmx.l.google.com
- DNS ASK eq##fax.com
- DNS ASK sm##.##b.shawcable.net
- DNS ASK sh#w.ca
- DNS ASK ya##o.co.uk
- DNS ASK d1######.#ss.barracudanetworks.com
- DNS ASK me##are.com
- DNS ASK td##dsl.dk
- DNS ASK mx#######702.gslb.pphosted.com
- DNS ASK eu.#ony.com
- DNS ASK sm####n.orange.fr
- DNS ASK mx.##.#topenworld.com
- DNS ASK wa##doo.fr
- DNS ASK co##ast.net
- DNS ASK qu###ilver.com
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK ya###.com.au
- DNS ASK ma###.natca.net
- DNS ASK bb#.#atca.net
- DNS ASK mx#######701.gslb.pphosted.com
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ru####lsuper.com
- DNS ASK alt2.gmail-smtp-in.l.google.com
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK gm##l.com
- DNS ASK de########.mtu-friedrichshafen.com
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK mt###nline.com
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ho##ail.com
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK mx#######801.gslb.pphosted.com
- DNS ASK mx#.#omcast.net
- DNS ASK ho##ail.fr
- DNS ASK ma##.###rinterestsonly.com
- DNS ASK mx.##xmail.com
- DNS ASK co####ternet.com
- DNS ASK mx##.#aramail.com
- DNS ASK ca###ail.com
- DNS ASK mx.##.#tinternet.com
- DNS ASK bt###ernet.com
- DNS ASK ma##.tagtmi.com
- DNS ASK ta##mi.com
- DNS ASK mx.#p.pl
- DNS ASK wp.pl
- DNS ASK po###.tele.dk
- DNS ASK fp##.mail.dk
- DNS ASK ma##.tele.dk
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ya##o.de
- DNS ASK cl######.us.messagelabs.com
- DNS ASK ma###arie.com
- DNS ASK mx###c.lmig.com
- DNS ASK li###tyiu.com
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK ya##o.co.nz
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\xzagoxk\qcbpaksm.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\xzagoxk\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\qcbpaksm.exe" %WINDIR%\SysWOW64\xzagoxk\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create xzagoxk binPath= "%WINDIR%\SysWOW64\xzagoxk\qcbpaksm.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description xzagoxk "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start xzagoxk' (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\xzagoxk\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\qcbpaksm.exe" %WINDIR%\SysWOW64\xzagoxk\
- '%WINDIR%\syswow64\sc.exe' create xzagoxk binPath= "%WINDIR%\SysWOW64\xzagoxk\qcbpaksm.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description xzagoxk "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start xzagoxk
- '%WINDIR%\syswow64\svchost.exe'
