Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'FrmWork' = '%WINDIR%\Framework Services.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\update.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- '<SYSTEM32>\net.exe' /c net stop SharedAccess
- '<SYSTEM32>\net1.exe' /pid=3964
- '<SYSTEM32>\net1.exe' /pid=3868
- '<SYSTEM32>\net1.exe' /pid=3028
- '<SYSTEM32>\net1.exe' /pid=3712
- '<SYSTEM32>\net1.exe' /pid=3072
- '<SYSTEM32>\net1.exe' /pid=2880
- '<SYSTEM32>\net1.exe' /pid=3572
- '<SYSTEM32>\net1.exe' /c net stop SharedAccess
- '<SYSTEM32>\net1.exe' stop SharedAccess
- '<SYSTEM32>\net.exe' stop SharedAccess
- '<SYSTEM32>\net1.exe' /pid=2924
- '<SYSTEM32>\net1.exe' /pid=3564
- '<SYSTEM32>\net1.exe' /pid=3224
- '<SYSTEM32>\net1.exe' /pid=3180
Injects code into
the following system processes:
- <SYSTEM32>\net.exe
- <SYSTEM32>\cmd.exe
- <SYSTEM32>\net1.exe
Modifies file system :
Creates the following files:
- C:\autorun.inf
- C:\update.exe
- %WINDIR%\Framework Services.exe
- %PROGRAM_FILES%\Internet Explorer\MS Office.exe
Sets the 'hidden' attribute to the following files:
- C:\update.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\update.exe
- %WINDIR%\Framework Services.exe
- %PROGRAM_FILES%\Internet Explorer\MS Office.exe
- C:\autorun.inf
Network activity:
Connects to:
- 'su####98.no-ip.org':890
UDP:
- DNS ASK su####98.no-ip.org
