Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Routing Support Extender Management Enumerator' = '<SYSTEM32>\ceqxnmaewm.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\HomeGroup Disk Connections Extensible Framework] 'ImagePath' = '<SYSTEM32>\ceqxnmaewm.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\HomeGroup Disk Connections Extensible Framework] '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>\gjhzujfbtlmz.exe' "<SYSTEM32>\ceqxnmaewm.exe"
- '%WINDIR%\Temp\rcdtsr4vo7zhbj.exe' -r 31331 tcp
- '%TEMP%\rcdtsr4pdnzhbjpzxgmqz.exe'
- '<SYSTEM32>\ceqxnmaewm.exe'
Modifies file system:
Creates the following files:
- <SYSTEM32>\hhdmhkl\run
- <SYSTEM32>\hhdmhkl\rng
- %WINDIR%\Temp\rcdtsr4vo7zhbj.exe
- <SYSTEM32>\hhdmhkl\cfg
- <SYSTEM32>\gjhzujfbtlmz.exe
- %TEMP%\rcdtsr4pdnzhbjpzxgmqz.exe
- <SYSTEM32>\hhdmhkl\tst
- <SYSTEM32>\ceqxnmaewm.exe
- <SYSTEM32>\hhdmhkl\etc
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\gjhzujfbtlmz.exe
- <SYSTEM32>\ceqxnmaewm.exe
Deletes the following files:
- %WINDIR%\Temp\rcdtsr4vo7zhbj.exe
- <DRIVERS>\etc\hosts
- %TEMP%\rcdtsr4pdnzhbjpzxgmqz.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'ta###plain.net':80
- 'gl###rown.net':80
- 'gl###lain.net':80
- 'gl###tep.net':80
- 'ta###step.net':80
- 'eq###step.net':80
- 'gr###step.net':80
- 'ta###black.net':80
- 'ta###grown.net':80
- 'gl###lack.net':80
- 'be##lxc.com':80
- 'mi###hown.net':80
- 'ab###ell.net':80
- 'mo###ugust.net':80
- 'cr#####onaraminta.net':80
- 'le###form.net':80
- 'al###being.net':80
- 'ri###nstorm.net':80
- 'ca####nbring.net':80
- 'mo###olor.net':80
- 'pr####tbottom.net':80
TCP:
HTTP GET requests:
- http://ta###plain.net/index.php
- http://gl###rown.net/index.php
- http://gl###lain.net/index.php
- http://gl###tep.net/index.php
- http://ta###step.net/index.php
- http://eq###step.net/index.php
- http://gr###step.net/index.php
- http://ta###black.net/index.php
- http://ta###grown.net/index.php
- http://gl###lack.net/index.php
- http://be##lxc.com/index.php
- http://mi###hown.net/index.php
- http://ab###ell.net/index.php
- http://mo###ugust.net/index.php
- http://cr#####onaraminta.net/index.php
- http://le###form.net/index.php
- http://al###being.net/index.php
- http://ri###nstorm.net/index.php
- http://ca####nbring.net/index.php
- http://mo###olor.net/index.php
- http://pr####tbottom.net/index.php
UDP:
- DNS ASK gl###lain.net
- DNS ASK ta###plain.net
- DNS ASK ta###step.net
- DNS ASK be##lxc.com
- DNS ASK gl###tep.net
- DNS ASK gl###rown.net
- DNS ASK eq###step.net
- DNS ASK gr###step.net
- DNS ASK ta###black.net
- DNS ASK ta###grown.net
- DNS ASK gl###lack.net
- DNS ASK mi###hown.net
- DNS ASK ab###ell.net
- DNS ASK mo###ugust.net
- DNS ASK cr#####onaraminta.net
- DNS ASK le###form.net
- DNS ASK al###being.net
- DNS ASK ri###nstorm.net
- DNS ASK ca####nbring.net
- DNS ASK mo###olor.net
- DNS ASK pr####tbottom.net
- '23#.#55.255.250':1900