Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laepe' = '%HOMEPATH%\laepe.exe /S'
Creates the following files on removable media:
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\laepe.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32.dll,-1'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%HOMEPATH%\laepe.exe'
Injects code into
the following system processes:
- <SYSTEM32>\winlogon.exe
Restores hooked functions in System Service Descriptor Table (SSDT).
Modifies file system :
Creates the following files:
- %HOMEPATH%\laepe.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\laepe.exe
Network activity:
Connects to:
- '<Private IP address>':8000
- '25#.#55.255.255':8000
- '91.##3.194.67':80
UDP:
- DNS ASK wy##mo.com
- DNS ASK ns#.##ayer1532.com
- DNS ASK yu##fn.com
- DNS ASK pu##aq.com
- DNS ASK ue##oc.com
- DNS ASK ns#.##deoall.org
- DNS ASK xh##vy.com
- DNS ASK an#.#renz.pl
- DNS ASK il#.#renz.pl
- DNS ASK my##oq.com
- DNS ASK uy##po.com
- DNS ASK nu##xm.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'