Function at 0x4dc947
Capabilities:
Extract resource via kernel32 functions
Get file size
Read file on windows

Disassembly:
push 0x320
mov eax, 0x55dd4d
call fcn.0052a9a8
mov eax, dword [ebp + 0xc]
xor ebx, ebx
or esi, 0xffffffff
test eax, eax
jne 0x4dcb04
call fcn.004c5e60
push eax
lea ecx, [ebp - 0xc0]
call fcn.004c3e36
mov dword [ebp - 4], ebx
call fcn.004c5e66
mov ecx, eax
call fcn.004c4608
test al, al
je 0x4dca2a
push dword [ebp + 8]
lea ecx, [ebp - 0xc0]
call fcn.004c4075
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0xc0]
call fcn.004c44ae
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, esi
jne 0x4dc9d7
mov dword [ebp - 4], esi
lea ecx, [ebp - 0xc0]
call fcn.004c3f71
jmp 0x4dcb77
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
jne 0x4dc9ec
or dword [ebp - 4], 0xffffffff
jmp 0x4dc9c7
and dword [ebp - 0x2f4], 0
push esi
call fcn.004bc98d
pop ecx
push 0
mov edi, eax
lea eax, [ebp - 0x2f4]
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 - 0x2f4], esi
je 0x4dcaf3
push edi
call fcn.004bc996
pop ecx
jmp 0x4dc9e6
call fcn.004c5e66
push eax
lea ecx, [ebp - 0xc0]
call fcn.004c4058
call fcn.004c5f92
test al, al
je 0x4dca4b
call fcn.004c5e6c
jmp 0x4dca62
push 2
push ebx
lea ecx, [ebp - 0xc0]
call fcn.004c44ae
push eax
call fcn.004e5c9d
add esp, 0xc
mov ebx, eax
test ebx, ebx
je 0x4dc9c4
lea eax, [ebp - 0x2f0]
push eax
lea eax, [ebp - 0x2fc]
push eax
push 1
push dword [ebp + 8]
push ebx
call fcn.004e56de
add esp, 0x14
test eax, eax
jne 0x4dc9c4
mov esi, dword [ebp - 0xc4]
test esi, esi
je 0x4dc9e6
push esi
call fcn.004bc98d
push 3
push esi
mov edi, eax
push edi
push dword [ebp - 0x2fc]
push ebx
call fcn.004e605d
add esp, 0x18
test eax, eax
je 0x4dcae3
cmp eax, 0x600
je 0x4dcae3
push edi
call fcn.004bc996
pop ecx
call fcn.004c5f92
test al, al
jne 0x4dc9e6
push ebx
call fcn.004e5538
jmp 0x4dca27
call fcn.004c5f92
test al, al
jne 0x4dcaf3
push ebx
call fcn.004e5538
pop ecx
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.004c3f71
jmp 0x4dcb73
push eax
push dword [ebp + 8]
call fcn.004c5e51
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov ebx, eax
test ebx, ebx
je 0x4dcb77
push ebx
call fcn.004c5e51
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov dword [ebp - 0x2fc], eax
push ebx
test eax, eax
jne 0x4dcb3a
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4dcb77
call fcn.004c5e51
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov esi, eax
test esi, esi
je 0x4dcb77
push esi
call fcn.004bc98d
pop ecx
push esi
push dword [ebp - 0x2fc]
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
push edi
call fcn.00507280
add esp, 0xc
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
test edi, edi
jne 0x4dcbf1
xor esi, esi
push esi
push 0x80
push 3
push esi
push 1
push SysReAllocString
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4dceb7
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
test esi, esi
je 0x4dceb7
and dword [ebp - 0x300], 0
push esi
call fcn.004bc98d
pop ecx
push 0
mov edi, eax
lea eax, [ebp - 0x300]
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 - 0x300], esi
je 0x4dcbe9
push edi
call fcn.004bc996
pop ecx
xor edi, edi
test edi, edi
je 0x4dceb7
and dword [ebp - 0x304], 0
push 0x1c
call fcn.004bc94c
pop ecx
mov dword [ebp - 0x314], eax
mov dword [ebp - 4], 1
test eax, eax
je 0x4dcc20
mov ecx, eax
call fcn.004c4b7d
mov dword [ebp - 0x308], eax
jmp 0x4dcc27
and dword [ebp - 0x308], 0
or dword [ebp - 4], 0xffffffff
lea eax, [ebp - 0x328]
push 4
push eax
lea eax, [ebp - 0x304]
push eax
push esi
push edi
call fcn.004f9147
mov ebx, eax
push edi
mov dword [ebp - 0x314], ebx
call fcn.004bc996
and dword [ebp - 0x310], 0
add esp, 0x18
cmp dword [ebp - 0x304], 0
jle 0x4dcea8
add ebx, 8
mov dword [ebp - 0x2fc], ebx
mov eax, dword [ebx]
mov edi, dword [ebx - 8]
mov esi, dword [ebx - 4]
mov dword [ebp - 0x30c], eax
mov eax, dword [ebx + 4]
mov dword [ebp - 0x320], esi
mov dword [ebp - 0x324], eax
test edi, edi
jne 0x4dcc97
push edi
jmp 0x4dce7a
push 0x2c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00507800
mov eax, dword [ebp - 0x30c]
add esp, 0xc
neg eax
mov dword [ebp - 0x3c], 0x28
mov dword [ebp - 0x34], eax
xor edx, edx
xor eax, eax
mov dword [ebp - 0x38], esi
inc eax
mov dword [ebp - 0x2c], edx
push 0x20
mov word [ebp - 0x30], ax
pop eax
mov word [ebp - 0x2e], ax
mov eax, dword [ebp - 0x30c]
imul eax, esi
push edx
push edx
mov byte [ebp - 0x2f5], dl
mov dword [ebp - 0x2f4], edx
mov dword [ebp - 0x300], eax
shl eax, 2
mov dword [ebp - 0x28], eax
lea eax, [ebp - 0x2f4]
push eax
push edx
lea eax, [ebp - 0x3c]
push eax
push edx
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov dword [ebp - 0x31c], eax
test eax, eax
je 0x4dce79
mov edx, dword [ebp - 0x300]
xor esi, esi
test edx, edx
jle 0x4dce13
mov ebx, dword [ebp + 0x10]
xor eax, eax
inc eax
mov byte [ebp - 0x2f5], al
mov eax, dword [ebp - 0x2f4]
mov cl, byte [edi + esi*4 + 3]
mov byte [eax + esi*4 + 3], cl
mov eax, 0xff
mov ecx, dword [ebp - 0x2f4]
cmp byte [ecx + esi*4 + 3], al
jae 0x4dcdb4
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 - 0x2f4]
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 - 0x2f4]
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 - 0x2f4]
mov edx, dword [ebp - 0x300]
mov byte [ecx + esi*4 + 2], al
jmp 0x4dcdd6
mov al, byte [edi + esi*4 + 2]
mov byte [ecx + esi*4], al
mov eax, dword [ebp - 0x2f4]
mov cl, byte [edi + esi*4 + 1]
mov byte [eax + esi*4 + 1], cl
mov eax, dword [ebp - 0x2f4]
mov cl, byte [edi + esi*4]
mov byte [eax + esi*4 + 2], cl
mov eax, dword [ebp - 0x2f4]
cmp dword [eax + esi*4], ebx
jne 0x4dce04
xor ecx, ecx
mov byte [eax + esi*4], cl
mov eax, dword [ebp - 0x2f4]
mov byte [eax + esi*4 + 1], cl
mov eax, dword [ebp - 0x2f4]
mov byte [eax + esi*4 + 2], cl
mov eax, dword [ebp - 0x2f4]
mov byte [eax + esi*4 + 3], cl
inc esi
cmp esi, edx
jl 0x4dcd2f
mov ebx, dword [ebp - 0x2fc]
push 0x9c
call fcn.004bc94c
mov esi, eax
pop ecx
mov dword [ebp - 0x32c], esi
mov dword [ebp - 4], 2
test esi, esi
je 0x4dce3b
lea ecx, [esi + 0x14]
call fcn.004c3e7f
jmp 0x4dce3d
xor esi, esi
mov eax, dword [ebp - 0x31c]
mov ecx, dword [ebp - 0x308]
or dword [ebp - 4], 0xffffffff
mov dword [esi], eax
mov eax, dword [ebp - 0x320]
mov dword [esi + 4], eax
mov eax, dword [ebp - 0x30c]
mov dword [esi + 8], eax
mov eax, dword [ebp - 0x324]
mov dword [esi + 0xc], eax
mov al, byte [ebp - 0x2f5]
push esi
mov byte [esi + 0x10], al
call fcn.004c559b
push edi
call fcn.004fd02f
mov eax, dword [ebp - 0x310]
add ebx, 0x10
inc eax
mov dword [ebp - 0x2fc], ebx
pop ecx
mov dword [ebp - 0x310], eax
cmp eax, dword [ebp - 0x304]
jl 0x4dcc70
mov ebx, dword [ebp - 0x314]
push ebx
call fcn.004fd02f
mov eax, dword [ebp - 0x308]
pop ecx
jmp 0x4dceb9
xor eax, eax
call fcn.0052a963
ret