Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Seukco' = '"%APPDATA%\Puyw\seukco.exe"'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
Creates and executes the following:
- '%APPDATA%\Puyw\seukco.exe'
Injects code into
the following system processes:
- <SYSTEM32>\ctfmon.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- <LS_APPDATA>\ydpe.ifh
- %APPDATA%\Puyw\seukco.exe
Network activity:
Connects to:
- 'hv#######ykrdunflbwghwgknw.com':80
- 'www.bing.com':80
- '74.##5.232.51':80
TCP:
HTTP GET requests:
- hv#######ykrdunflbwghwgknw.com/
- www.bing.com/
- 74.##5.232.51/
UDP:
- DNS ASK www.bing.com
- DNS ASK www.google.com
- DNS ASK hv#######ykrdunflbwghwgknw.com
- '20#.#27.61.199':26638
- '21#.#09.241.213':16882
- '21#.#0.212.4':26276
- '99.##1.187.238':13162
- '94.##.60.232':11557
- '14#.#36.161.103':14675
- '21#.#05.236.215':24797
- '79.##.232.136':11922
- '76.##6.112.216':24591
- '84.##.222.81':10378
- '10#.#15.44.142':20626
- '19#.#3.232.1':12407
- '74.##0.221.154':15477
- '95.##7.219.159':25634
- '65.##.129.196':24420
- '78.##1.89.23':14234
- '79.##9.44.209':21589
- '2.###.183.158':19754
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
