Function at 0x486c11
Capabilities:
Extract resource via kernel32 functions
Get file size
Read file on windows

Disassembly:
push 0x304
mov eax, 0x51c446
call fcn.00459320
mov eax, dword [ebp + 0xc]
xor ebx, ebx
or esi, 0xffffffff
test eax, eax
jne 0x486dce
call fcn.00479aa1
push eax
lea ecx, [ebp - 0xc0]
call fcn.00477f29
mov dword [ebp - 4], ebx
call fcn.00479aa7
mov ecx, eax
call fcn.00478717
test al, al
je 0x486cf4
push dword [ebp + 8]
lea ecx, [ebp - 0xc0]
call fcn.00478186
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocStringLen
lea ecx, [ebp - 0xc0]
call fcn.00479a82
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, esi
jne 0x486ca1
mov dword [ebp - 4], esi
lea ecx, [ebp - 0xc0]
call fcn.00478065
jmp 0x486e41
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
jne 0x486cb6
or dword [ebp - 4], 0xffffffff
jmp 0x486c91
and dword [ebp - 0x30c], 0
push esi
call fcn.00452b71
pop ecx
push 0
mov edi, eax
lea eax, [ebp - 0x30c]
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 - 0x30c], esi
je 0x486dbd
push edi
call fcn.00455c91
pop ecx
jmp 0x486cb0
call fcn.00479aa7
push eax
lea ecx, [ebp - 0xc0]
call fcn.00478169
call fcn.00479b5e
test al, al
je 0x486d15
call fcn.00479aad
jmp 0x486d2c
push 2
push ebx
lea ecx, [ebp - 0xc0]
call fcn.00479a82
push eax
call fcn.00489de5
add esp, 0xc
mov ebx, eax
test ebx, ebx
je 0x486c8e
lea eax, [ebp - 0x2f0]
push eax
lea eax, [ebp - 0x2fc]
push eax
push 1
push dword [ebp + 8]
push ebx
call fcn.00489776
add esp, 0x14
test eax, eax
jne 0x486c8e
mov esi, dword [ebp - 0xc4]
test esi, esi
je 0x486cb0
push esi
call fcn.00452b71
push 3
push esi
mov edi, eax
push edi
push dword [ebp - 0x2fc]
push ebx
call fcn.0048a251
add esp, 0x18
test eax, eax
je 0x486dad
cmp eax, 0x600
je 0x486dad
push edi
call fcn.00455c91
pop ecx
call fcn.00479b5e
test al, al
jne 0x486cb0
push ebx
call fcn.004895a8
jmp 0x486cf1
call fcn.00479b5e
test al, al
jne 0x486dbd
push ebx
call fcn.004895a8
pop ecx
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00478065
jmp 0x486e3d
push eax
push dword [ebp + 8]
call fcn.00479a92
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov ebx, eax
test ebx, ebx
je 0x486e41
push ebx
call fcn.00479a92
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov dword [ebp - 0x2fc], eax
push ebx
test eax, eax
jne 0x486e04
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x486e41
call fcn.00479a92
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov esi, eax
test esi, esi
je 0x486e41
push esi
call fcn.00452b71
pop ecx
push esi
push dword [ebp - 0x2fc]
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
push edi
call fcn.004540d0
add esp, 0xc
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
test edi, edi
jne 0x486ebb
xor esi, esi
push esi
push 0x80
push 3
push esi
push 1
push SysReAllocStringLen
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4870cc
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4870cc
and dword [ebp - 0x308], 0
push esi
call fcn.00452b71
pop ecx
push 0
mov edi, eax
lea eax, [ebp - 0x308]
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 - 0x308], esi
je 0x486eb3
push edi
call fcn.00455c91
pop ecx
xor edi, edi
test edi, edi
je 0x4870cc
push 4
lea eax, [ebp - 0x310]
push eax
lea eax, [ebp - 0x300]
push eax
lea eax, [ebp - 0x304]
push eax
push esi
push edi
call fcn.00499e4e
push edi
mov ebx, eax
call fcn.00455c91
add esp, 0x1c
test ebx, ebx
je 0x4870cc
push 0x2c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00455160
mov eax, dword [ebp - 0x300]
add esp, 0xc
mov ecx, dword [ebp - 0x304]
neg eax
mov dword [ebp - 0x34], eax
xor edx, edx
xor eax, eax
mov dword [ebp - 0x38], ecx
imul ecx, dword [ebp - 0x300]
inc eax
push 0x20
mov word [ebp - 0x30], ax
pop eax
push edx
push edx
mov word [ebp - 0x2e], ax
lea eax, [ebp - 0x2f8]
push eax
push edx
lea eax, [ebp - 0x3c]
shl ecx, 2
push eax
push edx
mov dword [ebp - 0x3c], 0x28
mov dword [ebp - 0x2c], edx
mov dword [ebp - 0x28], ecx
mov byte [ebp - 0x2f1], dl
mov dword [ebp - 0x2f8], edx
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov edi, eax
mov dword [ebp - 0x2fc], edi
test edi, edi
je 0x4870cc
mov eax, dword [ebp - 0x304]
xor esi, esi
imul eax, dword [ebp - 0x300]
test eax, eax
jle 0x48707b
mov edx, 0xff
mov eax, dword [ebp - 0x2f8]
mov cl, byte [ebx + esi*4 + 3]
mov byte [eax + esi*4 + 3], cl
mov edi, dword [ebp - 0x2f8]
cmp byte [edi + esi*4 + 3], dl
jae 0x486ffc
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
xor edx, edx
mov byte [edi + esi*4], al
mov edi, 0xff
movzx ecx, byte [ebx + esi*4 + 3]
movzx eax, byte [ebx + esi*4 + 1]
imul eax, ecx
mov ecx, dword [ebp - 0x2f8]
div edi
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, dword [ebp - 0x2f8]
div edi
xor edx, edx
inc edx
mov byte [ecx + esi*4 + 2], al
mov byte [ebp - 0x2f1], dl
jmp 0x487021
mov al, byte [ebx + esi*4 + 2]
xor edx, edx
mov byte [edi + esi*4], al
inc edx
mov eax, dword [ebp - 0x2f8]
mov cl, byte [ebx + esi*4 + 1]
mov byte [eax + esi*4 + 1], cl
mov eax, dword [ebp - 0x2f8]
mov cl, byte [ebx + esi*4]
mov byte [eax + esi*4 + 2], cl
mov eax, dword [ebp - 0x2f8]
mov ecx, dword [ebp + 0x10]
cmp dword [eax + esi*4], ecx
jne 0x48705a
mov byte [eax + esi*4], 0
mov eax, dword [ebp - 0x2f8]
mov byte [ebp - 0x2f1], dl
mov byte [eax + esi*4 + 1], 0
mov eax, dword [ebp - 0x2f8]
mov byte [eax + esi*4 + 2], 0
mov eax, dword [ebp - 0x2f8]
mov byte [eax + esi*4 + 3], 0
mov eax, dword [ebp - 0x304]
inc esi
imul eax, dword [ebp - 0x300]
mov edx, 0xff
cmp esi, eax
jl 0x486f84
mov edi, dword [ebp - 0x2fc]
push ebx
call fcn.00406890
push 0x98
call fcn.004531b9
pop ecx
mov esi, eax
pop ecx
mov dword [ebp - 0x2fc], esi
xor eax, eax
inc eax
mov dword [ebp - 4], eax
test esi, esi
je 0x4870a9
lea ecx, [esi + 0x10]
call fcn.00477f72
jmp 0x4870ab
xor esi, esi
mov al, byte [ebp - 0x2f1]
mov dword [esi], edi
mov ecx, dword [ebp - 0x304]
mov dword [esi + 4], ecx
mov ecx, dword [ebp - 0x300]
mov byte [esi + 0xc], al
mov eax, esi
mov dword [esi + 8], ecx
jmp 0x4870ce
xor eax, eax
call fcn.004592cf
ret