Function at 0x4a890a
Capabilities:
Extract resource via kernel32 functions
Get file size
Read file on windows

Disassembly:
push 0x40c
mov eax, 0x535bd6
call fcn.00507124
mov edi, dword [ebp + 0xc]
xor ebx, ebx
mov esi, dword [ebp + 0x14]
test edi, edi
jne 0x4a8b60
call fcn.0049a4de
push eax
lea ecx, [ebp - 0xc0]
call fcn.004968e6
mov dword [ebp - 4], ebx
call fcn.0049a4ea
mov ecx, eax
call fcn.004971ba
test al, al
je 0x4a89e9
push dword [ebp + 8]
lea ecx, [ebp - 0xc0]
call fcn.00496b70
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0xc0]
call fcn.00497005
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4a899c
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00496a0e
jmp 0x4a8bc6
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4a8988
and dword [ebp - 0x408], 0
push esi
call fcn.004eb4a2
pop ecx
push 0
mov edi, eax
lea eax, [ebp - 0x408]
push eax
push esi
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x408], esi
je 0x4a8b4f
push edi
call fcn.00502bef
pop ecx
jmp 0x4a8988
call fcn.0049a4ea
push eax
lea ecx, [ebp - 0xc0]
call fcn.00496b53
call fcn.0049a4f6
push eax
lea ecx, [ebp - 0x144]
call fcn.004968e6
mov byte [ebp - 4], 1
call fcn.0049a752
test al, al
je 0x4a8a21
call fcn.0049a4f0
mov ebx, eax
jmp 0x4a8a58
push ebx
lea ecx, [ebp - 0x144]
call fcn.00497005
push eax
call fcn.004c7aa4
pop ecx
pop ecx
mov esi, eax
lea ecx, [ebp - 0xc0]
push esi
call fcn.00497005
push eax
call fcn.004c9b82
mov ebx, eax
pop ecx
pop ecx
test esi, esi
je 0x4a8a58
push esi
call fcn.00502bef
pop ecx
test ebx, ebx
jne 0x4a8a70
lea ecx, [ebp - 0x144]
mov byte [ebp - 4], 0
call fcn.00496a0e
jmp 0x4a8988
and dword [ebp - 0x404], 0
lea ecx, [ebp - 0x1c8]
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0049690b
push 0x539de4
push 0x539de8
lea ecx, [ebp - 0x1c8]
mov byte [ebp - 4], 2
call fcn.00497384
lea eax, [ebp - 0x3f8]
push eax
lea eax, [ebp - 0x404]
push eax
push 1
lea ecx, [ebp - 0x1c8]
call fcn.00497005
push eax
push ebx
call fcn.004c9559
add esp, 0x14
test eax, eax
je 0x4a8ada
lea ecx, [ebp - 0x1c8]
mov byte [ebp - 4], 1
call fcn.00496a0e
jmp 0x4a8a5c
mov esi, dword [ebp - 0x1cc]
test esi, esi
je 0x4a8ac9
push esi
call fcn.004eb4a2
push esi
mov edi, eax
push edi
push dword [ebp - 0x404]
push ebx
call fcn.004c9fb9
add esp, 0x14
test eax, eax
je 0x4a8b21
cmp eax, 0x600
je 0x4a8b21
push edi
call fcn.00502bef
pop ecx
call fcn.0049a752
test al, al
jne 0x4a8ac9
push ebx
call fcn.004c9341
pop ecx
jmp 0x4a8ac9
call fcn.0049a752
test al, al
jne 0x4a8b31
push ebx
call fcn.004c9341
pop ecx
lea ecx, [ebp - 0x1c8]
mov byte [ebp - 4], 1
call fcn.00496a0e
lea ecx, [ebp - 0x144]
mov byte [ebp - 4], 0
call fcn.00496a0e
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00496a0e
jmp 0x4a8bc2
test esi, esi
jne 0x4a8b6b
call fcn.0049a4cf
mov esi, eax
push edi
push dword [ebp + 8]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov edi, eax
test edi, edi
je 0x4a8bc6
push edi
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
push edi
test ebx, ebx
jne 0x4a8b93
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4a8bc6
push esi
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov esi, eax
test esi, esi
je 0x4a8bc6
push esi
call fcn.004eb4a2
pop ecx
push esi
push ebx
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
push edi
call fcn.00506460
add esp, 0xc
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
test edi, edi
jne 0x4a8c41
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4a8e4f
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4a8e4f
and dword [ebp - 0x414], 0
push esi
call fcn.004eb4a2
pop ecx
push 0
mov edi, eax
lea eax, [ebp - 0x414]
push eax
push esi
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x414], esi
je 0x4a8c39
push edi
call fcn.00502bef
pop ecx
xor edi, edi
test edi, edi
je 0x4a8e4f
push 4
lea eax, [ebp - 0x418]
push eax
lea eax, [ebp - 0x40c]
push eax
lea eax, [ebp - 0x410]
push eax
push esi
push edi
call fcn.004b4a52
push edi
mov ebx, eax
call fcn.00502bef
add esp, 0x1c
test ebx, ebx
je 0x4a8e4f
push 0x2c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00506ab0
mov eax, dword [ebp - 0x40c]
add esp, 0xc
mov ecx, dword [ebp - 0x410]
neg eax
and dword [ebp - 0x2c], 0
mov edi, ecx
imul edi, dword [ebp - 0x40c]
mov dword [ebp - 0x34], eax
xor eax, eax
inc eax
mov dword [ebp - 0x38], ecx
push 0x20
mov word [ebp - 0x30], ax
xor ecx, ecx
pop eax
mov word [ebp - 0x2e], ax
mov eax, edi
push ecx
shl eax, 2
push ecx
mov dword [ebp - 0x28], eax
lea eax, [ebp - 0x400]
push eax
push ecx
lea eax, [ebp - 0x3c]
mov dword [ebp - 0x3c], 0x28
push eax
push ecx
mov byte [ebp - 0x3f9], cl
mov dword [ebp - 0x400], ecx
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov dword [ebp - 0x408], eax
test eax, eax
je 0x4a8e4f
xor esi, esi
test edi, edi
jle 0x4a8def
mov edx, 0xff
mov eax, dword [ebp - 0x400]
mov cl, byte [ebx + esi*4 + 3]
mov byte [eax + esi*4 + 3], cl
mov ecx, dword [ebp - 0x400]
cmp byte [ecx + esi*4 + 3], dl
jae 0x4a8d83
movzx ecx, byte [ebx + esi*4 + 3]
xor edx, edx
movzx eax, byte [ebx + esi*4 + 2]
imul eax, ecx
mov ecx, 0xff
div ecx
mov ecx, dword [ebp - 0x400]
xor edx, edx
mov byte [ecx + esi*4], al
movzx ecx, byte [ebx + esi*4 + 3]
movzx eax, byte [ebx + esi*4 + 1]
imul eax, ecx
mov ecx, 0xff
div ecx
mov ecx, dword [ebp - 0x400]
xor edx, edx
mov byte [ecx + esi*4 + 1], al
movzx ecx, byte [ebx + esi*4 + 3]
movzx eax, byte [ebx + esi*4]
imul eax, ecx
mov ecx, 0xff
div ecx
mov ecx, dword [ebp - 0x400]
xor edx, edx
inc edx
mov byte [ebp - 0x3f9], dl
mov byte [ecx + esi*4 + 2], al
jmp 0x4a8da8
mov al, byte [ebx + esi*4 + 2]
xor edx, edx
mov byte [ecx + esi*4], al
inc edx
mov eax, dword [ebp - 0x400]
mov cl, byte [ebx + esi*4 + 1]
mov byte [eax + esi*4 + 1], cl
mov eax, dword [ebp - 0x400]
mov cl, byte [ebx + esi*4]
mov byte [eax + esi*4 + 2], cl
mov eax, dword [ebp - 0x400]
mov ecx, dword [ebp + 0x10]
cmp dword [eax + esi*4], ecx
jne 0x4a8de1
mov byte [eax + esi*4], 0
mov eax, dword [ebp - 0x400]
mov byte [ebp - 0x3f9], dl
mov byte [eax + esi*4 + 1], 0
mov eax, dword [ebp - 0x400]
mov byte [eax + esi*4 + 2], 0
mov eax, dword [ebp - 0x400]
mov byte [eax + esi*4 + 3], 0
inc esi
mov edx, 0xff
cmp esi, edi
jl 0x4a8d00
push ebx
call fcn.004b4a4d
push 0xa0
call fcn.00502508
pop ecx
mov esi, eax
pop ecx
mov dword [ebp - 0x418], esi
mov dword [ebp - 4], 3
test esi, esi
je 0x4a8e1e
lea ecx, [esi + 0x18]
call fcn.0049692f
jmp 0x4a8e20
xor esi, esi
mov eax, dword [ebp - 0x408]
and dword [esi + 4], 0
and dword [esi + 8], 0
mov dword [esi], eax
mov eax, dword [ebp - 0x410]
mov dword [esi + 0xc], eax
mov eax, dword [ebp - 0x40c]
mov dword [esi + 0x10], eax
mov al, byte [ebp - 0x3f9]
mov byte [esi + 0x14], al
mov eax, esi
jmp 0x4a8e51
xor eax, eax
call fcn.005070d3
ret