Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Encrypting Protected DHCP SPP Files Update' = '<SYSTEM32>\isgoyrkjmafo.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Location Windows Procedure Telephony] 'ImagePath' = '<SYSTEM32>\isgoyrkjmafo.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\Location Windows Procedure Telephony] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Executes the following:
- '<SYSTEM32>\gfowyhlocq.exe' "<SYSTEM32>\isgoyrkjmafo.exe"
- '%WINDIR%\Temp\wv1xzar2zf6ak.exe' -r 44373 tcp
- '%TEMP%\wv1xzar2opraktksgwtxy.exe'
- '<SYSTEM32>\isgoyrkjmafo.exe'
Modifies file system:
Creates the following files:
- <SYSTEM32>\nccufetnwac\run
- <SYSTEM32>\nccufetnwac\rng
- %WINDIR%\Temp\wv1xzar2zf6ak.exe
- <SYSTEM32>\nccufetnwac\cfg
- <SYSTEM32>\gfowyhlocq.exe
- %TEMP%\wv1xzar2opraktksgwtxy.exe
- <SYSTEM32>\nccufetnwac\tst
- <SYSTEM32>\isgoyrkjmafo.exe
- <SYSTEM32>\nccufetnwac\etc
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\gfowyhlocq.exe
- <SYSTEM32>\isgoyrkjmafo.exe
Deletes the following files:
- %WINDIR%\Temp\wv1xzar2zf6ak.exe
- <DRIVERS>\etc\hosts
- %TEMP%\wv1xzar2opraktksgwtxy.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'wa###hold.net':80
- 'vi###have.net':80
- 'sp###have.net':80
- 'fa###econd.net':80
- 'wa###second.net':80
- 'fa###old.net':80
- 'vi###ocean.net':80
- 'vi###hold.net':80
- 'sp###hold.net':80
- 'gr###have.net':80
- 'sp###ocean.net':80
- 'vi###second.net':80
- 'sp###second.net':80
- 'th###cean.net':80
- 'dr###ocean.net':80
- 'th###econd.net':80
- 'ar###there.net':80
- 'th###ave.net':80
- 'dr###have.net':80
- 'dr###second.net':80
- 'wa###have.net':80
- 'fa###cean.net':80
- 'wa###ocean.net':80
- 'th###old.net':80
- 'dr###hold.net':80
- 'fa###ave.net':80
- 'eq###have.net':80
- 'ri###nstorm.net':80
- 'al###being.net':80
- 'ca####nbring.net':80
- 'gl###old.net':80
- 'sa###ave.net':80
- 'be##lxc.com':80
- 'pr####tbottom.net':80
- 'mo###ugust.net':80
- 'le###form.net':80
- 'cr#####onaraminta.net':80
- 'mo###olor.net':80
- 'ab###ell.net':80
- 'mi###hown.net':80
- 'eq###second.net':80
- 'gr###hold.net':80
- 'eq###hold.net':80
- 'gr###ocean.net':80
- 'eq###ocean.net':80
- 'gr###second.net':80
- 'ta###have.net':80
- 'ta###second.net':80
- 'gl###econd.net':80
- 'ta###hold.net':80
- 'gl###ave.net':80
- 'ta###ocean.net':80
- 'gl###cean.net':80
TCP:
HTTP GET requests:
- http://wa###hold.net/index.php
- http://vi###have.net/index.php
- http://sp###have.net/index.php
- http://fa###econd.net/index.php
- http://wa###second.net/index.php
- http://fa###old.net/index.php
- http://vi###ocean.net/index.php
- http://vi###hold.net/index.php
- http://sp###hold.net/index.php
- http://gr###have.net/index.php
- http://sp###ocean.net/index.php
- http://vi###second.net/index.php
- http://sp###second.net/index.php
- http://th###cean.net/index.php
- http://dr###ocean.net/index.php
- http://th###econd.net/index.php
- http://ar###there.net/index.php
- http://th###ave.net/index.php
- http://dr###have.net/index.php
- http://dr###second.net/index.php
- http://wa###have.net/index.php
- http://fa###cean.net/index.php
- http://wa###ocean.net/index.php
- http://th###old.net/index.php
- http://dr###hold.net/index.php
- http://fa###ave.net/index.php
- http://eq###have.net/index.php
- http://ri###nstorm.net/index.php
- http://al###being.net/index.php
- http://ca####nbring.net/index.php
- http://gl###old.net/index.php
- http://sa###ave.net/index.php
- http://be##lxc.com/index.php
- http://pr####tbottom.net/index.php
- http://mo###ugust.net/index.php
- http://le###form.net/index.php
- http://cr#####onaraminta.net/index.php
- http://mo###olor.net/index.php
- http://ab###ell.net/index.php
- http://mi###hown.net/index.php
- http://eq###second.net/index.php
- http://gr###hold.net/index.php
- http://eq###hold.net/index.php
- http://gr###ocean.net/index.php
- http://eq###ocean.net/index.php
- http://gr###second.net/index.php
- http://ta###have.net/index.php
- http://ta###second.net/index.php
- http://gl###econd.net/index.php
- http://ta###hold.net/index.php
- http://gl###ave.net/index.php
- http://ta###ocean.net/index.php
- http://gl###cean.net/index.php
UDP:
- DNS ASK wa###hold.net
- DNS ASK vi###have.net
- DNS ASK sp###have.net
- DNS ASK fa###econd.net
- DNS ASK wa###second.net
- DNS ASK fa###old.net
- DNS ASK vi###ocean.net
- DNS ASK vi###hold.net
- DNS ASK sp###hold.net
- DNS ASK gr###have.net
- DNS ASK sp###ocean.net
- DNS ASK vi###second.net
- DNS ASK sp###second.net
- DNS ASK wa###ocean.net
- DNS ASK dr###have.net
- DNS ASK th###cean.net
- DNS ASK dr###ocean.net
- DNS ASK so###there.net
- DNS ASK ar###there.net
- DNS ASK th###ave.net
- DNS ASK th###econd.net
- DNS ASK fa###ave.net
- DNS ASK wa###have.net
- DNS ASK fa###cean.net
- DNS ASK dr###second.net
- DNS ASK th###old.net
- DNS ASK dr###hold.net
- DNS ASK eq###have.net
- DNS ASK ri###nstorm.net
- DNS ASK al###being.net
- DNS ASK ca####nbring.net
- DNS ASK gl###old.net
- DNS ASK sa###ave.net
- DNS ASK be##lxc.com
- DNS ASK pr####tbottom.net
- DNS ASK mo###ugust.net
- DNS ASK le###form.net
- DNS ASK cr#####onaraminta.net
- DNS ASK mo###olor.net
- DNS ASK ab###ell.net
- DNS ASK mi###hown.net
- DNS ASK eq###second.net
- DNS ASK gr###hold.net
- DNS ASK eq###hold.net
- DNS ASK gr###ocean.net
- DNS ASK eq###ocean.net
- DNS ASK gr###second.net
- DNS ASK ta###have.net
- DNS ASK ta###second.net
- DNS ASK gl###econd.net
- DNS ASK ta###hold.net
- DNS ASK gl###ave.net
- DNS ASK ta###ocean.net
- DNS ASK gl###cean.net
- '23#.#55.255.250':1900