Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5815C03A' = '%APPDATA%\5815C03A\5815C03A.EXE'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RZEUOU\OSBWON.EXE
Malicious functions:
Creates and executes the following:
- %APPDATA%\5815C03A\5815C03A.EXE
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\POS1.tmp.BAT
- %APPDATA%\5815C03A\5815C03A.EXE
Deletes itself.
Network activity:
Connects to:
- 'pi##cast.ru':80
TCP:
HTTP POST requests:
- pi##cast.ru/light/in/index.php
UDP:
- DNS ASK pi##cast.ru
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
