Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = 'c:\RECYCLER\kos-2-3-41-0000010000-0000010000-0000010000-0100\wincache.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\kos-2-3-41-0000010000-0000010000-0000010000-0100\wincache.exe
- <Drive name for removable media>:\RECYCLER\kos-2-3-41-0000010000-0000010000-0000010000-0100\Desktop.ini
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- C:\RECYCLER\kos-2-3-41-0000010000-0000010000-0000010000-0100\wincache.exe
- C:\RECYCLER\kos-2-3-41-0000010000-0000010000-0000010000-0100\Desktop.ini
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\kos-2-3-41-0000010000-0000010000-0000010000-0100\wincache.exe
Network activity:
Connects to:
- 'dc.###alunix.net':5943
- 'ds#####.dc.totalunix.net':5943
- 'jh######.dc.totalunix.net':5943
UDP:
- DNS ASK jd#######fk.dc.totalunix.net
- DNS ASK dc.##team.info
- DNS ASK dc.###alunix.net
- DNS ASK jh######.dc.totalunix.net
- DNS ASK ds#####.dc.totalunix.net