Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sihost.exe' = '"%APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sihost.exe' = '"%APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'flkjlkjlw®?????????????????' = '"%APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\flkjlkjlw®"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'flkjlkjlw®?????????????????' = '"%APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\flkjlkjlw®"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe
Modifies file system :
Creates the following files:
- %APPDATA%\{%USERNAME%-flkjlkjlw®?????????????????}\sysinfo_flkjlkjlweiupwlkreeflkjwhgf.inf
- %APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe
- %APPDATA%\{%USERNAME%-flkjlkjlweiupwlkreeflkjwhgf}\sihost.exe
Network activity:
Connects to:
- 'ir#####anig.sdeirc.net':3814
UDP:
- DNS ASK ir#####anig.sdeirc.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''