Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Themes Base NetBIOS Protection Task Engine' = '<SYSTEM32>\mlsodqj.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Media Event SNMP Collector Log Alerts] 'ImagePath' = '<SYSTEM32>\mlsodqj.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\Media Event SNMP Collector Log Alerts] '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>\agmhfcncfbuq.exe' "<SYSTEM32>\mlsodqj.exe"
- '%WINDIR%\Temp\zrercu4x9ykb.exe' -r 20137 tcp
- '%TEMP%\zrercu4pq8kbfqxlz3q.exe'
- '<SYSTEM32>\mlsodqj.exe'
Modifies file system:
Creates the following files:
- <SYSTEM32>\szgrtzahvzh\run
- <SYSTEM32>\szgrtzahvzh\rng
- %WINDIR%\Temp\zrercu4x9ykb.exe
- <SYSTEM32>\szgrtzahvzh\cfg
- <SYSTEM32>\agmhfcncfbuq.exe
- %TEMP%\zrercu4pq8kbfqxlz3q.exe
- <SYSTEM32>\szgrtzahvzh\tst
- <SYSTEM32>\mlsodqj.exe
- <SYSTEM32>\szgrtzahvzh\etc
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\agmhfcncfbuq.exe
- <SYSTEM32>\mlsodqj.exe
Deletes the following files:
- %WINDIR%\Temp\zrercu4x9ykb.exe
- <DRIVERS>\etc\hosts
- %TEMP%\zrercu4pq8kbfqxlz3q.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'ca####nbring.net':80
- 'pr####tbottom.net':80
- 'mo###olor.net':80
- 'al###being.net':80
- 'he###ause.net':80
- 'ca###ause.net':80
- 'ri###nstorm.net':80
- 'ab###ell.net':80
- 'jo####ymeasure.net':80
- 'th###while.net':80
- 'ef###tbuilt.net':80
- 'cr#####onaraminta.net':80
- 'mi###hown.net':80
- 'mo###ugust.net':80
- 'le###form.net':80
TCP:
HTTP GET requests:
- http://ca####nbring.net/index.php
- http://pr####tbottom.net/index.php
- http://mo###olor.net/index.php
- http://al###being.net/index.php
- http://he###ause.net/index.php
- http://ca###ause.net/index.php
- http://ri###nstorm.net/index.php
- http://ab###ell.net/index.php
- http://jo####ymeasure.net/index.php
- http://th###while.net/index.php
- http://ef###tbuilt.net/index.php
- http://cr#####onaraminta.net/index.php
- http://mi###hown.net/index.php
- http://mo###ugust.net/index.php
- http://le###form.net/index.php
UDP:
- DNS ASK ca####nbring.net
- DNS ASK al###being.net
- DNS ASK mo###olor.net
- DNS ASK pr####tbottom.net
- DNS ASK he###ause.net
- DNS ASK ca###hot.net
- DNS ASK ri###nstorm.net
- DNS ASK ca###ause.net
- DNS ASK ab###ell.net
- DNS ASK jo####ymeasure.net
- DNS ASK th###while.net
- DNS ASK ef###tbuilt.net
- DNS ASK cr#####onaraminta.net
- DNS ASK mi###hown.net
- DNS ASK mo###ugust.net
- DNS ASK le###form.net
- '23#.#55.255.250':1900
