Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\p3nkj
Malicious functions
Patches code
in NTDLL dll
- iamb.exe process, ntdll.dll module
Modifies file system
Creates the following files
- C:\users\public\pq0eog\q9zwbg.exe
- C:\users\public\pq0eog\uxenhance64.dll
- C:\users\public\pq0eog\msadox.tb
- C:\users\public\pq0eog\adoresd.dat
- %WINDIR%\temp\ranchserv.jpg
- unc\localhost\pipe\atsvc
Sets the 'hidden' attribute to the following files
- C:\users\public\pq0eog\q9zwbg.exe
- C:\users\public\pq0eog\uxenhance64.dll
- C:\users\public\pq0eog\msadox.tb
- C:\users\public\pq0eog\adoresd.dat
Network activity
Connects to
- 'yb####.###-cn-beijing.aliyuncs.com':443
TCP
HTTP GET requests
- http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?00##############
Other
- 'yb####.###-cn-beijing.aliyuncs.com':443
UDP
- DNS ASK yb####.###-cn-beijing.aliyuncs.com
