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Hello,
I have a problem with my custom PE Loader it's like a fucking lottery some binaries are working and others not. By working i mean they are successfully executed in memory and do its job. 

So in short my loader performs these actions:

1. Parse PE file
   
2. Allocate RW with aligned size of image
   
3. Temporary copy headers to allocated memory
   
4. Copy sections to allocated memory
   
5. Calculate delta and perform relocations 
   
6. Resolve Import Address Table (IAT)
   
7. Set appropriate protection flags for each section by their Characteristics
   
8. Execute TLS callbacks
   
9. Clear headers
   
10. If DLL build exports and call DllMain
    
11. If EXE just call entry point
    

Is there anything i forgot to cover in my loader? I was wondering if i need to allocate TLS Slots or sth.
Generally loader works but for some binaries like Xmrig.exe it doesnt (ACCESS VIOLATION) i will try to debug more in the future but maybe someone experienced can see my mistakes from high level overview.

Thanks