Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Services' = 'service2.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '%TEMP%\service2.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\oreans32] 'Start' = '00000001'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Facebook\Pictures\My Picture.SCR
- <Drive name for removable media>:\Facebook\Pictures\Desktop.ini
Malicious functions:
Creates and executes the following:
- '%TEMP%\service2.exe'
Searches for windows to
detect analytical utilities:
- ClassName: 'FilemonClass' WindowName: '(null)'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: '(null)'
- ClassName: 'RegmonClass' WindowName: '(null)'
- ClassName: 'OLLYDBG' WindowName: '(null)'
- ClassName: 'GBDYLLO' WindowName: '(null)'
- ClassName: 'pediy06' WindowName: '(null)'
Modifies file system :
Creates the following files:
- %TEMP%\service2.exe
- <DRIVERS>\oreans32.sys
Sets the 'hidden' attribute to the following files:
- %TEMP%\service2.exe
Network activity:
Connects to:
- 'vp######9999.softether.net':6667
UDP:
- DNS ASK vp######9999.softether.net
Miscellaneous:
Searches for the following windows:
- ClassName: '18467-41' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '(null)' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '(null)' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
