Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Service' = '<SYSTEM32>\MsDtc\sleep.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Service' = '<SYSTEM32>\MsDtc\sleep.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\System] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\document.zip.exe
- <Drive name for removable media>:\j_run.exe
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\MsDtc\svchost.exe
- C:\update.exe (downloaded from the Internet)
- <SYSTEM32>\system.exe System <SYSTEM32>\httpd.exe
- <SYSTEM32>\MsDtc\sleep.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\get_info[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\add_dir[1].php
- %TEMP%\aut4.tmp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\add_dir[1].php
- C:\update.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\joker[1].exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\get_size_joker[1].php
- %TEMP%\aut1.tmp
- <SYSTEM32>\MsDtc\svchost.exe
- <SYSTEM32>\MsDtc\sleep.exe
- <SYSTEM32>\system.exe
- %TEMP%\aut3.tmp
- <SYSTEM32>\httpd.exe
- %TEMP%\aut2.tmp
Sets the 'hidden' attribute to the following files:
- C:\update.exe
- <Drive name for removable media>:\j_run.exe
- <Drive name for removable media>:\Autorun.inf
Deletes the following files:
- %TEMP%\aut3.tmp
- %TEMP%\aut4.tmp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\add_dir[1].php
- %TEMP%\aut1.tmp
- %TEMP%\aut2.tmp
- <SYSTEM32>\MsDtc\sleep.exe
Network activity:
Connects to:
- 'j-###el.nino.pl':80
TCP:
HTTP GET requests:
- j-###el.nino.pl/php/get_size_joker.php?Ad########
- j-###el.nino.pl/panel/Alan/files/joker.exe
- j-###el.nino.pl/php/add_dir.php?di#############################################
- j-###el.nino.pl/php/get_info.php?ad######################################################################################################################################################
UDP:
- DNS ASK j-###el.nino.pl
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
