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Problem

I do not understand the file visualization image that appears in the 'File Details' section.

Solution

The visualization feature can be found at the file details section:

(Source: https://www.hybrid-analysis.com/sample/3ce8d6a00ff60305fa832421be372726332cd0d0f06f2a726802b10735f23ef2?environmentId=100)

Clicking the image will open up the full sized image:

The file visualization is based on the input file and the output of the PortEx java library (https://github.com/katjahahn/PortEx). It can be used to quickly identify malformed files, anomalies in the structure and pinpoint interesting code locations. In the above example, we can quickly identify packed code (highlighted in the middle section), which is placed in the 'Overlay' of the file.