Technical Information
To ensure autorun and distribution
Sets the following service settings
- [HKLM\SYSTEM\CurrentControlSet\Services\oexqvzdn] 'Start' = '00000002'
- [HKLM\SYSTEM\CurrentControlSet\Services\oexqvzdn] 'ImagePath' = '%WINDIR%\SysWOW64\oexqvzdn\jyqxcafx.exe /d"<Full path to file>"'
- [HKLM\SYSTEM\CurrentControlSet\services\oexqvzdn] 'ImagePath' = '%WINDIR%\SysWOW64\oexqvzdn\jyqxcafx.exe'
Creates the following services
- 'oexqvzdn' %WINDIR%\SysWOW64\oexqvzdn\jyqxcafx.exe /d"<Full path to file>"
- 'oexqvzdn' %WINDIR%\SysWOW64\oexqvzdn\jyqxcafx.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\oexqvzdn' = '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%\jyqxcafx.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\jyqxcafx.exe to %WINDIR%\syswow64\oexqvzdn\jyqxcafx.exe
Deletes itself.
Network activity
Connects to
- 'mi##########m.mail.protection.outlook.com':25
- 'va##heim.cn':443
- '62.##.226.183':483
- '17#.#17.107.186':419
- '62.##.226.199':419
- '62.##.226.193':419
- '19#.#78.136.10':419
- '19#.#78.136.15':419
- '45.#3.20.26':419
- '45.#3.20.27':419
- 'google.com':80
- 'im##.gmx.net':993
- '47.#3.26.4':993
- 'ab#####eshapewear.co.ke':80
- 'ab#####eshapewear.co.ke':443
- 'br##play.it':443
- '47.#3.18.12':993
- 'ex##ple.org':443
- 't.#e':443
- 'in###gram.com':443
- 'br#####hillarmory.com':443
- 'go###e.co.uk':443
TCP
HTTP GET requests
HTTP POST requests
- http://www.ab#####eshapewear.co.ke/xmlrpc.php
Other
- 'va##heim.cn':443
- '62.##.226.183':483
- '45.#3.20.26':419
- '45.#3.20.27':419
- '62.##.226.199':419
- '62.##.226.193':419
- '19#.#78.136.15':419
- '19#.#78.136.10':419
- '17#.#17.107.186':419
- 'im##.gmx.net':993
- '47.#3.26.4':993
- 'ab#####eshapewear.co.ke':443
- 'br##play.it':443
- '47.#3.18.12':993
- 'ex##ple.org':443
- 't.#e':443
- 'br#####hillarmory.com':443
- 'go###e.co.uk':443
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK va##heim.cn
- DNS ASK 66.##.##.185.dnsbl.sorbs.net
- DNS ASK 66.##.##.185.bl.spamcop.net
- DNS ASK 66.##.##.185.zen.spamhaus.org
- DNS ASK 66.##.##.#85.sbl-xbl.spamhaus.org
- DNS ASK 66.##.##.185.cbl.abuseat.org
- DNS ASK google.com
- DNS ASK im##.gmx.net
- DNS ASK 66.##.##.185.in-addr.arpa
- DNS ASK sm###.##ansprinting.com.au
- DNS ASK ab#####eshapewear.co.ke
- DNS ASK br##play.it
- DNS ASK re####gandfun.com
- DNS ASK ex##ple.org
- DNS ASK sm#####.pratamania.com
- DNS ASK t.#e
- DNS ASK in###gram.com
- DNS ASK br####econecap.com
- DNS ASK im###.walla.com
- DNS ASK br#####hillarmory.com
- DNS ASK go###e.co.uk
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\oexqvzdn\jyqxcafx.exe' /d"<Full path to file>"
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\oexqvzdn\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\jyqxcafx.exe" %WINDIR%\SysWOW64\oexqvzdn\
- '%WINDIR%\syswow64\sc.exe' create oexqvzdn binPath= "%WINDIR%\SysWOW64\oexqvzdn\jyqxcafx.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description oexqvzdn "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start oexqvzdn
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\oexqvzdn\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\jyqxcafx.exe" %WINDIR%\SysWOW64\oexqvzdn\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create oexqvzdn binPath= "%WINDIR%\SysWOW64\oexqvzdn\jyqxcafx.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description oexqvzdn "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start oexqvzdn' (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)
