Technical Information
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
the following user processes:
- taskmgr.exe
Modifies file system
Creates the following files
- %APPDATA%\taskmgr.exe
- %TEMP%\cmwek3jk.0.cs
- %TEMP%\cmwek3jk.cmdline
- %TEMP%\cmwek3jk.out
- %TEMP%\csc4a01.tmp
- %TEMP%\res4a02.tmp
- %TEMP%\cmwek3jk.dll
- %APPDATA%\27142.exe
Deletes the following files
- %TEMP%\res4a02.tmp
- %TEMP%\csc4a01.tmp
- %TEMP%\cmwek3jk.dll
- %TEMP%\cmwek3jk.cmdline
- %TEMP%\cmwek3jk.out
- %TEMP%\cmwek3jk.0.cs
Miscellaneous
Creates and executes the following
- '%APPDATA%\taskmgr.exe'
- '%APPDATA%\27142.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cmwek3jk.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4A02.tmp" "%TEMP%\CSC4A01.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cmwek3jk.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4A02.tmp" "%TEMP%\CSC4A01.tmp"
