Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\ldlrj
Malicious functions
Patches code
in NTDLL dll
- jjha.exe process, ntdll.dll module
Modifies file system
Creates the following files
- C:\users\public\m4twhb\9lvnt9.exe
- C:\users\public\m4twhb\uxenhance64.dll
- C:\users\public\m4twhb\msadox.tb
- C:\users\public\m4twhb\adoresd.dat
- %WINDIR%\temp\ranchserv.jpg
- unc\localhost\pipe\atsvc
Sets the 'hidden' attribute to the following files
- C:\users\public\m4twhb\9lvnt9.exe
- C:\users\public\m4twhb\uxenhance64.dll
- C:\users\public\m4twhb\msadox.tb
- C:\users\public\m4twhb\adoresd.dat
Network activity
Connects to
- 'zz####.###-cn-beijing.aliyuncs.com':443
TCP
HTTP GET requests
- http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a5##############
Other
- 'zz####.###-cn-beijing.aliyuncs.com':443
UDP
- DNS ASK zz####.###-cn-beijing.aliyuncs.com
Miscellaneous
Creates and executes the following
- 'C:\users\public\m4twhb\9lvnt9.exe'
