Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%HOMEPATH%\Local Settings\Tempcmd.exe'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{S74270Q1-0O82-IED8-E3HB-8677LMPO2B5T}] 'StubPath' = '%HOMEPATH%\Local Settings\Tempcmd.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '%HOMEPATH%\Local Settings\Tempcmd.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = '%HOMEPATH%\Local Settings\Tempcmd.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = '%HOMEPATH%\Local Settings\Tempcmd.exe'
Malicious functions:
Executes the following:
- '%WINDIR%\explorer.exe'
- '%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE' -x -s 380
- '%HOMEPATH%\Local Settings\Tempcmd.exe'
- '%TEMP%\Trojan.exe'
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
the following user processes:
- Tempcmd.exe
Modifies file system:
Creates the following files:
- %APPDATA%\%USERNAME%-wchelper.dll
- %APPDATA%\88E6680F\ak.tmp
- %TEMP%\%USERNAME%7
- %TEMP%\2115B.dmp
- %TEMP%\%USERNAME%8
- %TEMP%\dw.log
- %TEMP%\Trojan.exe
- %HOMEPATH%\Local Settings\Tempcmd.exe
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %TEMP%\%USERNAME%2.txt
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
Sets the 'hidden' attribute to the following files:
- %APPDATA%\%USERNAME%-wchelper.dll
- %HOMEPATH%\Local Settings\Tempcmd.exe
Deletes the following files:
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %TEMP%\%USERNAME%2.txt
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- 'di#####najaf.ddns.net':999
UDP:
- DNS ASK di#####najaf.ddns.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
