Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Class Services NetBIOS Process' = '<SYSTEM32>\wpgxrdyvv.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Reports Helper Desktop] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- '<SYSTEM32>\tnadzjzajkqi.exe' "<SYSTEM32>\wpgxrdyvv.exe"
- '%WINDIR%\Temp\mlxkabvm3sdqhs3h.exe' -r 51754 tcp
- '%TEMP%\mlxkabvm3louhs3hq4qjjjgt.exe'
- '<SYSTEM32>\wpgxrdyvv.exe'
Modifies file system :
Creates the following files:
- <SYSTEM32>\yrmaffdcy\run
- <SYSTEM32>\yrmaffdcy\rng
- %WINDIR%\Temp\mlxkabvm3sdqhs3h.exe
- <SYSTEM32>\yrmaffdcy\cfg
- <SYSTEM32>\tnadzjzajkqi.exe
- %TEMP%\mlxkabvm3louhs3hq4qjjjgt.exe
- <SYSTEM32>\yrmaffdcy\tst
- <SYSTEM32>\wpgxrdyvv.exe
- <SYSTEM32>\yrmaffdcy\etc
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\tnadzjzajkqi.exe
- <SYSTEM32>\wpgxrdyvv.exe
Deletes the following files:
- %WINDIR%\Temp\mlxkabvm3sdqhs3h.exe
- <DRIVERS>\etc\hosts
- %TEMP%\mlxkabvm3louhs3hq4qjjjgt.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'hu###grown.net':80
- 'ha###lain.net':80
- 'hu###black.net':80
- 'ha###rown.net':80
- 'hu###plain.net':80
- 'th###all.net':80
- 'dr###wall.net':80
- 'ha###tep.net':80
- 'hu###step.net':80
- 'mu###grown.net':80
- 'ya###rown.net':80
- 'mu###black.net':80
- 'ya###lack.net':80
- 'mu###plain.net':80
- 'ya###tep.net':80
- 'ha###lack.net':80
- 'ya###lain.net':80
- 'mu###step.net':80
- 'th###ther.net':80
- 'mi###hown.net':80
- 'mo###ugust.net':80
- 'mo###olor.net':80
- 'ab###ell.net':80
- 'le###form.net':80
- 'th###while.net':80
- 'ef###tbuilt.net':80
- 'cr#####onaraminta.net':80
- 'jo####ymeasure.net':80
- 'dr###forty.net':80
- 'th###ree.net':80
- 'dr###other.net':80
- 'th###orty.net':80
- 'dr###free.net':80
- 'ca####nbring.net':80
- 'pr####tbottom.net':80
- 'ri###nstorm.net':80
- 'al###being.net':80
TCP:
HTTP GET requests:
- http://hu###grown.net/index.php
- http://ha###lain.net/index.php
- http://hu###black.net/index.php
- http://ha###rown.net/index.php
- http://hu###plain.net/index.php
- http://th###all.net/index.php
- http://dr###wall.net/index.php
- http://ha###tep.net/index.php
- http://hu###step.net/index.php
- http://mu###grown.net/index.php
- http://ya###rown.net/index.php
- http://mu###black.net/index.php
- http://ya###lack.net/index.php
- http://mu###plain.net/index.php
- http://ya###tep.net/index.php
- http://ha###lack.net/index.php
- http://ya###lain.net/index.php
- http://mu###step.net/index.php
- http://th###ther.net/index.php
- http://mi###hown.net/index.php
- http://mo###ugust.net/index.php
- http://mo###olor.net/index.php
- http://ab###ell.net/index.php
- http://le###form.net/index.php
- http://th###while.net/index.php
- http://ef###tbuilt.net/index.php
- http://cr#####onaraminta.net/index.php
- http://jo####ymeasure.net/index.php
- http://dr###forty.net/index.php
- http://th###ree.net/index.php
- http://dr###other.net/index.php
- http://th###orty.net/index.php
- http://dr###free.net/index.php
- http://ca####nbring.net/index.php
- http://pr####tbottom.net/index.php
- http://ri###nstorm.net/index.php
- http://al###being.net/index.php
UDP:
- DNS ASK hu###grown.net
- DNS ASK ha###lain.net
- DNS ASK hu###black.net
- DNS ASK ha###rown.net
- DNS ASK hu###plain.net
- DNS ASK th###all.net
- DNS ASK dr###wall.net
- DNS ASK ha###tep.net
- DNS ASK hu###step.net
- DNS ASK ha###lack.net
- DNS ASK ya###lack.net
- DNS ASK mu###grown.net
- DNS ASK we###tep.net
- DNS ASK mu###black.net
- DNS ASK ya###rown.net
- DNS ASK mu###step.net
- DNS ASK ya###tep.net
- DNS ASK mu###plain.net
- DNS ASK ya###lain.net
- DNS ASK th###ther.net
- DNS ASK mi###hown.net
- DNS ASK mo###ugust.net
- DNS ASK mo###olor.net
- DNS ASK ab###ell.net
- DNS ASK le###form.net
- DNS ASK th###while.net
- DNS ASK ef###tbuilt.net
- DNS ASK cr#####onaraminta.net
- DNS ASK jo####ymeasure.net
- DNS ASK dr###forty.net
- DNS ASK th###ree.net
- DNS ASK dr###other.net
- DNS ASK th###orty.net
- DNS ASK dr###free.net
- DNS ASK ca####nbring.net
- DNS ASK pr####tbottom.net
- DNS ASK ri###nstorm.net
- DNS ASK al###being.net
- '23#.#55.255.250':1900
