Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\SessionControlAgent.job
Malicious functions:
Executes the following:
- '%TEMP%\is-7K4U1.tmp\setup.tmp' /SL5="$200E8,4157818,326144,<Current directory>\setup.exe"
- '<SYSTEM32>\schtasks.exe' /Create /RU SYSTEM /SC HOURLY /MO 23 /TN "SessionControlAgent" /TR "\"%WINDIR%\sectrl.exe\""
- '%TEMP%\_ir_sf_temp_0\irsetup.exe' __IRAOFF:4404482 "__IRAFN:<Full path to file>" "__IRCT:0" "__IRTSS:0" "__IRSID:S-1-5-21-2052111302-484763869-725345543-1003"
- '<Current directory>\setup.exe'
Modifies file system:
Creates the following files:
- %TEMP%\is-VPR1Q.tmp\innocallback.dll
- %TEMP%\is-VPR1Q.tmp\_isetup\_shfoldr.dll
- %TEMP%\is-VPR1Q.tmp\innoextractor.dll
- %WINDIR%\sectrl.exe
- %TEMP%\is-VPR1Q.tmp\bassmusic.dll
- %TEMP%\_ir_sf_temp_0\lua5.1.dll
- %TEMP%\_ir_sf_temp_0\irsetup.exe
- %TEMP%\_ir_sf_temp_0\irsetup.dat
- %TEMP%\is-7K4U1.tmp\setup.tmp
- <Current directory>\setup.exe
Sets the 'hidden' attribute to the following files:
- <Current directory>\setup.exe
Deletes the following files:
- %TEMP%\_ir_sf_temp_0\lua5.1.dll
- %TEMP%\_ir_sf_temp_0\irsetup.exe
- %TEMP%\_ir_sf_temp_0\irsetup.dat
Network activity:
Connects to:
- 'zd##k.us':80
TCP:
HTTP GET requests:
- http://zd##k.us/lnk/lnk.php
UDP:
- DNS ASK zd##k.us
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
