Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Tsbsbl' = '%APPDATA%\Tsbsbl.exe'
Malicious functions:
Creates and executes the following:
- %APPDATA%\Tsbsbl.exe
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\ctfmon.exe
- <SYSTEM32>\cscript.exe
- <SYSTEM32>\alg.exe
- <SYSTEM32>\services.exe
- System
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\smss.exe
- <SYSTEM32>\winlogon.exe
- <SYSTEM32>\csrss.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %APPDATA%\Tsbsbl.exe
Deletes itself.
Network activity:
Connects to:
- 'ap#.##pmania.com':80
- 'ir#.000.sc':6999
TCP:
HTTP GET requests:
- ap#.##pmania.com/
UDP:
- DNS ASK ap#.##pmania.com
- DNS ASK ir#.000.sc
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
