Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{gqpxydym-vfue-fhel-wkmr-opwuswwvsvzr}] 'stubpath' = ''
Malicious functions:
Executes the following:
- '<SYSTEM32>\userinit.exe'
Injects code into
the following system processes:
- <SYSTEM32>\userinit.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'FilemonClass' WindowName: '(null)'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: '(null)'
- ClassName: 'RegmonClass' WindowName: '(null)'
- ClassName: 'OLLYDBG' WindowName: '(null)'
- ClassName: 'GBDYLLO' WindowName: '(null)'
- ClassName: 'pediy06' WindowName: '(null)'
Modifies file system :
Creates the following files:
- %TEMP%\187984_res.tmp
Moves the following files:
- from %TEMP%\187984_res.tmp to %TEMP%\188156_lang.dll
Network activity:
Connects to:
- 'pc####23.webkebi.kr':80
UDP:
- DNS ASK pc####23.webkebi.kr
Miscellaneous:
Searches for the following windows:
- ClassName: '(null)' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '18467-41' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '(null)' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
