Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'LAN Service' = '%ProgramFiles%\LAN Service\lansv.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup1' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP001.TMP\"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\x.vbs
Malicious functions:
Creates and executes the following:
- '%TEMP%\IXP001.TMP\1.xyz'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c echo on error resume next:CreateObject("WScript.Shell").Run "%TEMP%\IXP001.TMP\1.xyz",1: >"%HOMEPATH%\Start Menu\Programs\Startup\x.vbs"
- '%TEMP%\IXP001.TMP\1.xyz'
- '%ProgramFiles%\Internet Explorer\IEXPLORE.EXE'
- '%TEMP%\IXP000.TMP\1.xyz'
- '<SYSTEM32>\cmd.exe' /c echo on error resume next:CreateObject("WScript.Shell").Run "%TEMP%\IXP000.TMP\1.xyz",1: >"%HOMEPATH%\Start Menu\Programs\Startup\x.vbs"
Injects code into
the following user processes:
- 1.xyz
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\cmd.exe
a large number of user processes.
Modifies file system:
Creates the following files:
- %TEMP%\IXP001.TMP\1.xy_
- %TEMP%\IXP001.TMP\1.xyz
- %ProgramFiles%\LAN Service\lansv.exe
- %APPDATA%\23EF5514-3059-436F-A4A7-4CEFAAB20EB1\run.dat
- %TEMP%\IXP000.TMP\1.xy_
- %TEMP%\IXP000.TMP\1.xyz
- <LS_APPDATA>\CSIDL_X
- <LS_APPDATA>\CSIDL_
Sets the 'hidden' attribute to the following files:
- <LS_APPDATA>\CSIDL_X
- <LS_APPDATA>\CSIDL_
Deletes the following files:
- %TEMP%\IXP001.TMP\1.xy_
- %TEMP%\IXP001.TMP\1.xyz
- %TEMP%\IXP000.TMP\1.xy_
- %TEMP%\IXP000.TMP\1.xyz
Moves the following files:
- from %TEMP%\IXP001.TMP\1.xyz to %TEMP%\IXP001.TMP\1.xyzx
Network activity:
Connects to:
- 'si####m.ddns.net':54984
UDP:
- DNS ASK si####m.ddns.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Progman' WindowName: ''
