Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wtf' = 'wbchck.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'wtf' = 'wbchck.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wtf' = 'wbchck.exe'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\wbchck.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\sys.bat
- <SYSTEM32>\wbchck.exe
Network activity:
Connects to:
- '<Private IP address>':1433
- 'sp#.#obice.net':48275
- 'de####.slo-partija.info':48275
- '<Private IP address>':445
UDP:
- DNS ASK sp#.#obice.net
- DNS ASK de####.slo-partija.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
