Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e2j2121' = 'C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-24560811\ehj2121.exe'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe,C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-24560811\ehj2121.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = 'C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-24560811\ehj2121.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' dfdts.dll,DfdGetDefaultPolicyAndSMART
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-24560811\Desktop.ini
- C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-24560811\ehj2121.exe
Sets the 'hidden' attribute to the following files:
- C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-24560811\ehj2121.exe
Network activity:
Connects to:
- 'dq.#####proxiesfwhj123.com':8800
UDP:
- DNS ASK dn#.##ftncsi.com
- DNS ASK dq.#####proxiesfwhj123.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'