Function at 0x4891c9
Capabilities:
Extract resource via kernel32 functions
Get file size
Read file on windows

Disassembly:
push 0x308
mov eax, 0x4d9bcb
call fcn.004a9c62
mov eax, dword [ebp + 0xc]
xor ebx, ebx
test eax, eax
jne 0x4893a1
call fcn.0046e755
push eax
lea ecx, [ebp - 0xc0]
call fcn.004749e2
mov dword [ebp - 4], ebx
call fcn.0046e75b
mov ecx, eax
call fcn.0047518d
test al, al
je 0x4892b2
push dword [ebp + 8]
lea ecx, [ebp - 0xc0]
call fcn.00474bce
push ebx
push 0x80
push 3
xor ecx, ecx
push ebx
inc ecx
push ecx
push SysReAllocStringLen
lea ecx, [ebp - 0xc0]
call fcn.00474bae
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x2fc], eax
cmp eax, 0xffffffff
jne 0x48925e
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00439cda
jmp 0x489423
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x48924a
push esi
mov dword [ebp - 0x30c], ebx
call fcn.004a8e36
pop ecx
push ebx
mov edi, eax
lea eax, [ebp - 0x30c]
push eax
push esi
push edi
push dword [ebp - 0x2fc]
call dword [sym.imp.KERNEL32.dll_ReadFile]
push dword [ebp - 0x2fc]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x30c], esi
je 0x489390
push edi
call fcn.004a8d17
pop ecx
jmp 0x48924a
call fcn.0046e75b
push eax
lea ecx, [ebp - 0xc0]
call fcn.00474bb1
call fcn.0046e8bf
test al, al
je 0x4892d3
call fcn.0046e761
jmp 0x4892ea
push 2
push ebx
lea ecx, [ebp - 0xc0]
call fcn.00474bae
push eax
call fcn.0048d4ca
add esp, 0xc
mov dword [ebp - 0x2fc], eax
test eax, eax
je 0x48924a
lea ecx, [ebp - 0x2f0]
push ecx
lea ecx, [ebp - 0x300]
push ecx
xor ecx, ecx
inc ecx
push ecx
push dword [ebp + 8]
push eax
call fcn.0048ced6
add esp, 0x14
test eax, eax
jne 0x48924a
mov esi, dword [ebp - 0xc4]
test esi, esi
je 0x48924a
push esi
call fcn.004a8e36
push 3
push esi
mov edi, eax
push edi
push dword [ebp - 0x300]
push dword [ebp - 0x2fc]
call fcn.0048d8c2
add esp, 0x18
test eax, eax
je 0x48937b
cmp eax, 0x600
je 0x48937b
push edi
call fcn.004a8d17
pop ecx
call fcn.0046e8bf
test al, al
jne 0x48924a
push dword [ebp - 0x2fc]
call fcn.0048cd13
jmp 0x4892af
call fcn.0046e8bf
test al, al
jne 0x489390
push dword [ebp - 0x2fc]
call fcn.0048cd13
pop ecx
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.00439cda
jmp 0x48941b
push eax
push dword [ebp + 8]
call fcn.0046e746
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov esi, eax
mov dword [ebp - 0x310], esi
test esi, esi
je 0x489423
push esi
call fcn.0046e746
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov dword [ebp - 0x300], eax
push esi
test eax, eax
jne 0x4893dd
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x489423
call fcn.0046e746
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov esi, eax
test esi, esi
je 0x489423
push esi
call fcn.004a8e36
pop ecx
push esi
push dword [ebp - 0x300]
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
push edi
call fcn.004abb00
add esp, 0xc
push dword [ebp - 0x310]
call dword [sym.imp.KERNEL32.dll_FreeResource]
test edi, edi
jne 0x4894a9
push ebx
push 0x80
push 3
push ebx
xor eax, eax
inc eax
push eax
push SysReAllocStringLen
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x2fc], eax
cmp eax, 0xffffffff
je 0x4896ca
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4896ca
push esi
mov dword [ebp - 0x310], ebx
call fcn.004a8e36
pop ecx
push ebx
mov edi, eax
lea eax, [ebp - 0x310]
push eax
push esi
push edi
push dword [ebp - 0x2fc]
call dword [sym.imp.KERNEL32.dll_ReadFile]
push dword [ebp - 0x2fc]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x310], esi
je 0x4894a1
push edi
call fcn.004a8d17
pop ecx
mov edi, ebx
test edi, edi
je 0x4896ca
push 4
lea eax, [ebp - 0x314]
push eax
lea eax, [ebp - 0x304]
push eax
lea eax, [ebp - 0x308]
push eax
push esi
push edi
call fcn.004a8c0e
push edi
mov dword [ebp - 0x2fc], eax
call fcn.004a8d17
mov edi, dword [ebp - 0x2fc]
add esp, 0x1c
test edi, edi
je 0x4896ca
push 0x2c
lea eax, [ebp - 0x3c]
push ebx
push eax
call fcn.004ab9a0
mov eax, dword [ebp - 0x304]
add esp, 0xc
mov ecx, dword [ebp - 0x308]
neg eax
mov dword [ebp - 0x34], eax
xor eax, eax
inc eax
mov dword [ebp - 0x38], ecx
imul ecx, dword [ebp - 0x304]
push 0x20
mov word [ebp - 0x30], ax
pop eax
push ebx
push ebx
mov word [ebp - 0x2e], ax
lea eax, [ebp - 0x2f8]
push eax
push ebx
lea eax, [ebp - 0x3c]
shl ecx, 2
push eax
push ebx
mov dword [ebp - 0x3c], 0x28
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x28], ecx
mov byte [ebp - 0x2f1], bl
mov dword [ebp - 0x2f8], ebx
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov dword [ebp - 0x30c], eax
test eax, eax
je 0x4896ca
mov edx, dword [ebp - 0x2f8]
test edx, edx
je 0x4896ca
mov ecx, dword [ebp - 0x308]
mov esi, ebx
imul ecx, dword [ebp - 0x304]
test ecx, ecx
jle 0x489678
mov al, byte [edi + esi*4 + 3]
mov byte [edx + esi*4 + 3], al
mov eax, 0xff
mov ecx, dword [ebp - 0x2f8]
cmp byte [ecx + esi*4 + 3], al
jae 0x489602
movzx ecx, byte [edi + esi*4 + 3]
xor edx, edx
movzx eax, byte [edi + esi*4 + 2]
imul eax, ecx
mov ecx, 0xff
div ecx
mov ecx, dword [ebp - 0x2f8]
xor edx, edx
mov byte [ecx + esi*4], al
movzx ecx, byte [edi + esi*4 + 3]
movzx eax, byte [edi + esi*4 + 1]
imul eax, ecx
mov ecx, 0xff
div ecx
mov ecx, dword [ebp - 0x2f8]
xor edx, edx
mov byte [ecx + esi*4 + 1], al
movzx ecx, byte [edi + esi*4 + 3]
movzx eax, byte [edi + esi*4]
imul eax, ecx
mov ecx, 0xff
div ecx
mov ecx, dword [ebp - 0x2f8]
mov byte [ecx + esi*4 + 2], al
xor ecx, ecx
inc ecx
mov byte [ebp - 0x2f1], cl
jmp 0x489627
mov al, byte [edi + esi*4 + 2]
mov byte [ecx + esi*4], al
mov eax, dword [ebp - 0x2f8]
mov cl, byte [edi + esi*4 + 1]
mov byte [eax + esi*4 + 1], cl
mov eax, dword [ebp - 0x2f8]
mov cl, byte [edi + esi*4]
mov byte [eax + esi*4 + 2], cl
xor ecx, ecx
inc ecx
mov edx, dword [ebp - 0x2f8]
mov eax, dword [ebp + 0x10]
cmp dword [edx + esi*4], eax
jne 0x489662
mov byte [edx + esi*4], bl
mov eax, dword [ebp - 0x2f8]
mov byte [ebp - 0x2f1], cl
mov byte [eax + esi*4 + 1], bl
mov eax, dword [ebp - 0x2f8]
mov byte [eax + esi*4 + 2], bl
mov eax, dword [ebp - 0x2f8]
mov byte [eax + esi*4 + 3], bl
mov edx, dword [ebp - 0x2f8]
mov eax, dword [ebp - 0x308]
inc esi
imul eax, dword [ebp - 0x304]
cmp esi, eax
jl 0x489580
push edi
call fcn.004a8c09
push 0x98
call fcn.004a8eb3
pop ecx
pop ecx
mov dword [ebp - 0x300], eax
xor ecx, ecx
inc ecx
mov dword [ebp - 4], ecx
test eax, eax
je 0x4896a3
mov ecx, eax
call fcn.0046d261
mov ebx, eax
mov eax, dword [ebp - 0x30c]
mov dword [ebx], eax
mov eax, dword [ebp - 0x308]
mov dword [ebx + 4], eax
mov eax, dword [ebp - 0x304]
mov dword [ebx + 8], eax
mov al, byte [ebp - 0x2f1]
mov byte [ebx + 0xc], al
mov eax, ebx
jmp 0x4896cc
xor eax, eax
call fcn.004a9c0c
ret