Function at 0x4aa120
Capabilities:
Extract resource via kernel32 functions
Get file size
Read file on windows

Disassembly:
push 0x40c
mov eax, 0x537ea6
call fcn.00509264
mov edi, dword [ebp + 0xc]
xor ebx, ebx
mov esi, dword [ebp + 0x14]
test edi, edi
jne 0x4aa376
call fcn.0049bcf6
push eax
lea ecx, [ebp - 0xc0]
call fcn.0049805f
mov dword [ebp - 4], ebx
call fcn.0049bd02
mov ecx, eax
call fcn.0049892f
test al, al
je 0x4aa1ff
push dword [ebp + 8]
lea ecx, [ebp - 0xc0]
call fcn.004982e9
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0xc0]
call fcn.0049877e
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4aa1b2
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00498187
jmp 0x4aa3dc
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4aa19e
and dword [ebp - 0x408], 0
push esi
call fcn.004ed091
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 0x4aa365
push edi
call fcn.00504d2f
pop ecx
jmp 0x4aa19e
call fcn.0049bd02
push eax
lea ecx, [ebp - 0xc0]
call fcn.004982cc
call fcn.0049bd0e
push eax
lea ecx, [ebp - 0x144]
call fcn.0049805f
mov byte [ebp - 4], 1
call fcn.0049bf6a
test al, al
je 0x4aa237
call fcn.0049bd08
mov ebx, eax
jmp 0x4aa26e
push ebx
lea ecx, [ebp - 0x144]
call fcn.0049877e
push eax
call fcn.004b623e
pop ecx
pop ecx
mov esi, eax
lea ecx, [ebp - 0xc0]
push esi
call fcn.0049877e
push eax
call fcn.004cb443
mov ebx, eax
pop ecx
pop ecx
test esi, esi
je 0x4aa26e
push esi
call fcn.00504d2f
pop ecx
test ebx, ebx
jne 0x4aa286
lea ecx, [ebp - 0x144]
mov byte [ebp - 4], 0
call fcn.00498187
jmp 0x4aa19e
and dword [ebp - 0x404], 0
lea ecx, [ebp - 0x1c8]
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.00498084
push 0x53cde4
push 0x53cde8
lea ecx, [ebp - 0x1c8]
mov byte [ebp - 4], 2
call fcn.00498af9
lea eax, [ebp - 0x3f8]
push eax
lea eax, [ebp - 0x404]
push eax
push 1
lea ecx, [ebp - 0x1c8]
call fcn.0049877e
push eax
push ebx
call fcn.004cae1a
add esp, 0x14
test eax, eax
je 0x4aa2f0
lea ecx, [ebp - 0x1c8]
mov byte [ebp - 4], 1
call fcn.00498187
jmp 0x4aa272
mov esi, dword [ebp - 0x1cc]
test esi, esi
je 0x4aa2df
push esi
call fcn.004ed091
push esi
mov edi, eax
push edi
push dword [ebp - 0x404]
push ebx
call fcn.004cb87a
add esp, 0x14
test eax, eax
je 0x4aa337
cmp eax, 0x600
je 0x4aa337
push edi
call fcn.00504d2f
pop ecx
call fcn.0049bf6a
test al, al
jne 0x4aa2df
push ebx
call fcn.004cac02
pop ecx
jmp 0x4aa2df
call fcn.0049bf6a
test al, al
jne 0x4aa347
push ebx
call fcn.004cac02
pop ecx
lea ecx, [ebp - 0x1c8]
mov byte [ebp - 4], 1
call fcn.00498187
lea ecx, [ebp - 0x144]
mov byte [ebp - 4], 0
call fcn.00498187
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00498187
jmp 0x4aa3d8
test esi, esi
jne 0x4aa381
call fcn.0049bce7
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 0x4aa3dc
push edi
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
push edi
test ebx, ebx
jne 0x4aa3a9
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4aa3dc
push esi
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov esi, eax
test esi, esi
je 0x4aa3dc
push esi
call fcn.004ed091
pop ecx
push esi
push ebx
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
push edi
call fcn.005085a0
add esp, 0xc
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
test edi, edi
jne 0x4aa457
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 0x4aa665
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4aa665
and dword [ebp - 0x414], 0
push esi
call fcn.004ed091
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 0x4aa44f
push edi
call fcn.00504d2f
pop ecx
xor edi, edi
test edi, edi
je 0x4aa665
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.004b62c8
push edi
mov ebx, eax
call fcn.00504d2f
add esp, 0x1c
test ebx, ebx
je 0x4aa665
push 0x2c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00508bf0
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 0x4aa665
xor esi, esi
test edi, edi
jle 0x4aa605
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 0x4aa599
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 0x4aa5be
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 0x4aa5f7
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 0x4aa516
push ebx
call fcn.00504070
push 0xa0
call fcn.00504648
pop ecx
mov esi, eax
pop ecx
mov dword [ebp - 0x418], esi
mov dword [ebp - 4], 3
test esi, esi
je 0x4aa634
lea ecx, [esi + 0x18]
call fcn.004980a8
jmp 0x4aa636
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 0x4aa667
xor eax, eax
call fcn.00509213
ret