Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] '1qaw3edr5' = '%TEMP%\RarSFX0\tjn.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '1qaw3edr5' = '%TEMP%\RarSFX0\tjn.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1qaw3edr5' = '%TEMP%\RarSFX0\tjn.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\mchInjDrv] 'ImagePath' = '%TEMP%\mc21.tmp'
Malicious functions:
Creates and executes the following:
- '%TEMP%\RarSFX0\tjn.EXE'
Modifies file system :
Creates the following files:
- %TEMP%\RarSFX0\178197dll.dll
- %TEMP%\mc21.tmp
- %TEMP%\RarSFX0\tjn.EXE
Deletes the following files:
- %TEMP%\RarSFX0\tjn.EXE
- %TEMP%\RarSFX0\178197dll.dll
- %TEMP%\mc21.tmp
Network activity:
Connects to:
- '21#.#7.41.92':8074
- 'ap####.gadu-gadu.pl':80
TCP:
HTTP GET requests:
- ap####.gadu-gadu.pl/appsvc/appmsg4.asp?fm############################################################
UDP:
- DNS ASK ap####.gadu-gadu.pl
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'EDIT' WindowName: ''
