Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SunJavaUpdateSched' = '%APPDATA%\winsec.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\explorer.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\winsec.exe
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %TEMP%\windump.exe
- %APPDATA%\winsec.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\explorer.exe
- %APPDATA%\winsec.exe
Network activity:
Connects to:
- '33.##0.1.174':4444
- '99.##.145.176':4444
- '37.##.35.179':4444
- '69.##2.36.94':4444
- '76.##9.92.122':4444
- '24#.#26.238.21':4444
- '16#.#6.167.238':4444
- 'ef###.xs4all.nl':6667
- 'rs###.kf4nyy.ay':6667
- '34.##6.13.27':4444
- '10#.#49.30.30':4444
- '39.##.175.33':4444
- '<Private IP address>':80
- '31.##0.178.132':4444
- '54.##0.42.186':4444
- '<Private IP address>':445
- '35.##.207.205':4444
- '22#.#54.33.2':4444
- '46.##.110.39':4444
- '11#.#31.255.42':4444
- '15#.#38.18.195':4444
- '53.##.34.137':4444
- '11#.#48.115.188':4444
- '17#.#80.4.191':4444
UDP:
- DNS ASK rs###.kf4nyy.ay
- DNS ASK ef###.xs4all.nl
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''