Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'Xpxocz' = '%APPDATA%\8YGmKlw\slui.exe'
Creates or modifies the following files
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\xpxocz.lnk
- <SYSTEM32>\tasks\fjlpyo
Malicious functions
Executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
the following user processes:
- firefox.exe
Hooks functions
in browsers
- firefox.exe process, nss3.dll module
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\slui.exe
- <SYSTEM32>\fveprompt.exe
the following user processes:
- iexplore.exe
Modifies file system
Creates the following files
- %TEMP%\f47aa.tmp
- %TEMP%\dawrjyo.cmd
- %APPDATA%\8ygmklw\slui.exe
- %TEMP%\r738b.tmp
- %TEMP%\ebal.cmd
- <SYSTEM32>\mrrjzjr\fveprompt.exe
Deletes the following files
- %TEMP%\dawrjyo.cmd
- %TEMP%\ebal.cmd
Moves the following files
- from %TEMP%\f47aa.tmp to %APPDATA%\8ygmklw\slc.dll
- from %TEMP%\r738b.tmp to <SYSTEM32>\mrrjzjr\slc.dll
Modifies the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1238866942-1249195528-555854008-1000\f58155b4b1d5a524ca0261c3ee99fb50_d4602615-9d50-4880-be41-678935e93eaa
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1238866942-1249195528-555854008-1000\f58155b4b1d5a524ca0261c3ee99fb50_d4602615-9d50-4880-be41-678935e93eaa
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c %TEMP%\dAwRjYo.cmd' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c %TEMP%\EBal.cmd' (with hidden window)
- '<SYSTEM32>\schtasks.exe' /Create /F /TN "Fjlpyo" /TR <SYSTEM32>\mRrjZjr\fveprompt.exe /SC minute /MO 60 /RL highest' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /c %TEMP%\dAwRjYo.cmd
- '<SYSTEM32>\cmd.exe' /c %TEMP%\EBal.cmd
- '<SYSTEM32>\schtasks.exe' /Create /F /TN "Fjlpyo" /TR <SYSTEM32>\mRrjZjr\fveprompt.exe /SC minute /MO 60 /RL highest
- '<SYSTEM32>\schtasks.exe' /Query /TN "Fjlpyo"
