Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] ' krcdh' = '"<LS_APPDATA>\ilona\ilona.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] ' krcdh' = '"<LS_APPDATA>\ilona\ilona.exe"'
Malicious functions:
Creates and executes the following:
- '' (downloaded from the Internet)
Injects code into
the following system processes:
- <SYSTEM32>\regsvr32.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1206' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2300' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1809' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1206' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2300' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1809' = '00000003'
Modifies file system:
Creates the following files:
- %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\KHMHGZ4F\WindowsXP-KB968930-x86-ENG[1].exe
- %TEMP%\WindowsXP-KB968930-x86-ENG.exe
- <LS_APPDATA>\ilona\ilona.exe
- %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\KHMHGZ4F\microsoft[1]
Deletes the following files:
- <Full path to file>
Network activity:
Connects to:
- '24#.#91.192.243':80
- '23#.#02.137.203':80
- '34.##.244.15':80
- '18#.#7.200.168':80
- '22#.#2.39.228':80
- '17#.#.207.149':80
- '56.##1.63.126':80
- '11#.#2.34.222':443
- '23#.#53.129.252':80
- '19#.#08.132.160':80
- '52.##2.113.239':80
- '20#.#90.154.71':80
- '21#.49.64.6':80
- '20#.#6.126.121':8080
- '97.##7.119.193':80
- '15#.#8.224.242':80
- '13#.#38.159.226':8080
- '16#.#26.67.43':80
- '18.##0.136.183':80
- '24#.#4.95.160':8080
- '20#.#6.232.182':80
- '10#.#06.118.144':80
- '24#.#01.213.160':80
- '62.##.180.141':443
- '66.##8.19.205':80
- '15#.#43.54.73':8080
- '17#.#02.208.8':80
- '86.##4.237.230':80
- '8.###.160.211':80
- '17#.#.205.63':443
- '12#.#82.24.76':80
- '11#.#86.108.79':80
- '16#.#0.24.176':80
- '18#.#0.26.194':80
- '22#.#79.159.130':80
TCP:
HTTP GET requests:
- http://download.microsoft.com/download/E/C/E/ECE99583-2003-455D-B681-68DB610B44A4/WindowsXP-KB968930-x86-ENG.exe via 20#.#6.232.182
- http://microsoft.com/ via 20#.#6.232.182
UDP:
- DNS ASK download.microsoft.com
- DNS ASK microsoft.com
Miscellaneous:
Creates and executes the following:
- '%TEMP%\WindowsXP-KB968930-x86-ENG.exe' /quiet /norestart
- '<Full path to file>'
Executes the following:
- '<SYSTEM32>\regsvr32.exe'
