Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'msnmgsrt.exe' = '%APPDATA%\msnmgsrt.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'msnmgsrt.exe' = '%APPDATA%\msnmgsrt.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\crimisgay.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- %APPDATA%\msnmgsrt.exe
Executes the following:
- <SYSTEM32>\attrib.exe +h <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\attrib.exe +h Z:\crimisgay.exe
- <SYSTEM32>\attrib.exe +h Z:\autorun.inf
- <SYSTEM32>\attrib.exe +h C:\crimisgay.exe
- <SYSTEM32>\attrib.exe +h C:\autorun.inf
- <SYSTEM32>\attrib.exe +h <Drive name for removable media>:\crimisgay.exe
Modifies file system :
Creates the following files:
- C:\crimisgay.exe
- C:\autorun.inf
- %APPDATA%\msnmgsrt.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\crimisgay.exe
- <Drive name for removable media>:\autorun.inf
- C:\crimisgay.exe
- C:\autorun.inf
Network activity:
Connects to:
- '<Private IP address>':139
- 'ip###anatic.net':5337
- '<Private IP address>':135
- '<Private IP address>':445
UDP:
- DNS ASK ip###anatic.net
- '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
