Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bpk' = '<SYSTEM32>\bpk.exe'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\bpk.exe
- %TEMP%\RarSFX0\asmCoD2133p.exe
- %TEMP%\RarSFX0\rinst.exe
Executes the following:
- <SYSTEM32>\net.exe stop vmnetuserif
- <SYSTEM32>\net1.exe stop vmx86
- <SYSTEM32>\net.exe stop vmx86
- <SYSTEM32>\net1.exe stop vmnetbridge
- <SYSTEM32>\net.exe stop vmnetbridge
- <SYSTEM32>\net1.exe stop vmnetuserif
- <SYSTEM32>\net.exe stop siwvid
- <SYSTEM32>\net1.exe stop ntice
- <SYSTEM32>\net.exe stop ntice
- <SYSTEM32>\net1.exe stop sice
- <SYSTEM32>\net.exe stop sice
- <SYSTEM32>\net1.exe stop siwvid
Installs hooks to intercept notifications
on keystrokes:
- Handler for all processes: <SYSTEM32>\bpkhk.dll
Modifies file system :
Creates the following files:
- C:\autoexec648.txt
- <SYSTEM32>\inst.dat
- <SYSTEM32>\rinst.exe
- C:\autoexec8839.txt
- C:\autoexec13372.txt
- C:\autoexec16051.txt
- C:\autoexec16180.txt
- C:\autoexec13520.txt
- %TEMP%\RarSFX0\bpkhk.dll
- %TEMP%\RarSFX0\asmCoD2133p.exe
- %TEMP%\RarSFX0\pk.bin
- %TEMP%\RarSFX0\inst.dat
- %TEMP%\RarSFX0\bpk.exe
- <SYSTEM32>\bpk.exe
- <SYSTEM32>\bpkhk.dll
- %TEMP%\RarSFX0\rinst.exe
- <SYSTEM32>\pk.bin
Deletes the following files:
- %TEMP%\RarSFX0\inst.dat
- %TEMP%\RarSFX0\rinst.exe
- %TEMP%\RarSFX0\asmCoD2133p.exe
- %TEMP%\RarSFX0\pk.bin
- %TEMP%\RarSFX0\bpk.exe
- %TEMP%\RarSFX0\bpkhk.dll
Moves the following files:
- from <SYSTEM32>\rinst.exe to <SYSTEM32>\bpkr.exe
Network activity:
Connects to:
- 'ma##.#harter.net':25
UDP:
- DNS ASK ma##.#harter.net
- DNS ASK ch##ter.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'ThunderFormDC' WindowName: ' asmCoD2 v1.3.3pp'
- ClassName: 'NDDEAgnt' WindowName: 'NetDDE Agent'
- ClassName: 'CoD2' WindowName: 'Call of Duty 2 Multiplayer'
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: 'PKL Window'
