Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe] 'Debugger' = 'packkw.exe'
Malicious functions:
Creates and executes the following:
- %TEMP%\Adobe.exe
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
the following user processes:
- iexplore.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system :
Creates the following files:
- <SYSTEM32>\packkw.exe
- <Current directory>\OTTObestellung.pdf
- %TEMP%\Adobe.exe
Deletes the following files:
- %TEMP%\Adobe.exe
Network activity:
Connects to:
- 'ic#####epgt.myftp.org':80
- 'ke#####sab.mrbasic.com':80
- 'ri#####rvop.my03.com':80
- 'bi##i.net':80
- '74.##5.232.51':80
- 'dy##ic.com':80
- 'zo##bar.net':80
TCP:
HTTP GET requests:
- 74.##5.232.51/
HTTP POST requests:
- ic#####epgt.myftp.org/smp/inx.php
- ke#####sab.mrbasic.com/smp/inx.php
- ri#####rvop.my03.com/smp/inx.php
- dy##ic.com/smp/inx.php
- zo##bar.net/smp/inx.php
- bi##i.net/smp/inx.php
UDP:
- DNS ASK ic#####epgt.myftp.org
- DNS ASK ke#####sab.mrbasic.com
- DNS ASK ri#####rvop.my03.com
- DNS ASK bi##i.net
- DNS ASK www.google.com
- DNS ASK dy##ic.com
- DNS ASK zo##bar.net
