Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsSystemMonitor' = '"%LOCALAPPDATA%\Microsoft\Windows\WER\ReportQueue\RuntimeBroker32.exe"'
Modifies file system
Creates the following files
- %LOCALAPPDATA%\microsoft\windows\wer\reportqueue\runtimebroker32.exe
Sets the 'hidden' attribute to the following files
- %LOCALAPPDATA%\microsoft\windows\wer\reportqueue\runtimebroker32.exe
Deletes itself.
Network activity
Connects to
- 'ap#.##legram.org':443
- 'ap#.#ithub.com':443
- 'oc##.#ectigo.com':80
- 'ra#.####ubusercontent.com':443
TCP
HTTP GET requests
- http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?18##############
- http://oc##.#ectigo.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3DhJWomGbOJFU%2Fpy58BaOB6aMCwQUF5moBMFv5C1wqAoQPQPT6Rq4JmMCEDpTepyViC%2F5t18sEEwqkVc%3D
Other
- 'ap#.#ithub.com':443
UDP
- DNS ASK ap#.##legram.org
- DNS ASK ap#.#ithub.com
- DNS ASK oc##.#ectigo.com
- DNS ASK ra#.####ubusercontent.com
- DNS ASK mo#####.map.fastly.net
Miscellaneous
Creates and executes the following
- '%LOCALAPPDATA%\microsoft\windows\wer\reportqueue\runtimebroker32.exe' --monitor
Executes the following
- '%LOCALAPPDATA%\microsoft\windows\wer\reportqueue\runtimebroker32.exe' --monitor' (with hidden window)
