Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ZcbQd' = '<Full path to file>'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\hy5.5] 'ImagePath' = '%TEMP%\wea5tlK.sys'
Malicious functions:
Creates and executes the following:
- '<Current directory>\win1ogon.exe' -o pool.minexmr.com:7777 -u 41tUtBDRmz6CqzzTSq5AeHNLjmTtVsVDxAjYaP4YebvBZyotAS3h6X8ffiq5fdmLPxaEAm64TqgbVbtRy6dsi16V29xioi7 --max-cpu-usage 75 --print-time 10
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtOpenProcess, handler: wea5tlK.sys
Modifies file system:
Creates the following files:
- <Current directory>\win1ogon.exe
- %TEMP%\wea5tlK.sys
- <Current directory>\ProcessExtended.dll
Sets the 'hidden' attribute to the following files:
- <Full path to file>
- <Current directory>\win1ogon.exe
- <Current directory>\ProcessExtended.dll
- %TEMP%\wea5tlK.sys
Deletes the following files:
- %TEMP%\wea5tlK.sys
Network activity:
Connects to:
- 'po##.#inexmr.com':7777
UDP:
- DNS ASK po##.#inexmr.com
