Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AutoUpdate' = '%APPDATA%\log\AutoUpdate.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
modifies the following system settings:
- Hides taskbar notifications
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram program = STcONaURjstoJeQ(uMqeEfSfaGeNmho("yJmAEIBBXdvRXSFRGegUiJnA")) name = STcONaURjstoJeQ(uMqeEfSfaGeNmho("XQ0V1bwVGZ0FQZ==")) mode = ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\aut1.tmp
- %TEMP%\ivhshtc
- %TEMP%\aut2.tmp
- %APPDATA%\log\AutoUpdate.exe
- %APPDATA%\log\pass.exe
- %APPDATA%\log\Passwords.txt
Deletes the following files:
- %TEMP%\aut1.tmp
- %TEMP%\ivhshtc
- %TEMP%\aut2.tmp
Network activity:
Connects to:
- '18#.#0.53.221':80
TCP:
HTTP GET requests:
- http://18#.#0.53.221/despacito.file
Miscellaneous:
Executes the following:
- '<SYSTEM32>\cmd.exe' /c netsh firewall add allowedprogram program = STcONaURjstoJeQ(uMqeEfSfaGeNmho("yJmAEIBBXdvRXSFRGegUiJnA")) name = STcONaURjstoJeQ(uMqeEfSfaGeNmho("XQ0V1bwVGZ0FQZ==")) mode = ENABLE
- '<SYSTEM32>\cmd.exe' /c %APPDATA%\log\pass.exe all
