Function at 0x45b9a9
Capabilities:
Extract resource via kernel32 functions
Get file size
Read file on windows

Disassembly:
push 0x38c
mov eax, 0x4a3386
call fcn.0044d815
mov esi, dword [ebp + 0xc]
xor ebx, ebx
test esi, esi
jne 0x45bb69
call fcn.00451319
push eax
lea ecx, [ebp - 0xc0]
call fcn.0045453e
mov dword [ebp - 4], ebx
call fcn.0045131f
mov ecx, eax
call fcn.00454c6f
test al, al
je 0x45ba95
push dword [ebp + 8]
lea ecx, [ebp - 0xc0]
call fcn.00454759
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocStringLen
lea ecx, [ebp - 0xc0]
call fcn.00403620
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x45ba38
lea ecx, [ebp - 0xc0]
or dword [ebp - 4], 0xffffffff
call fcn.00454665
jmp 0x45bd09
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x45ba24
push edi
mov dword [ebp - 0x390], ebx
call fcn.00425f0a
pop ecx
push 0
mov ebx, eax
lea eax, [ebp - 0x390]
push eax
push edi
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x390], edi
je 0x45bb5e
push ebx
call fcn.00425f05
pop ecx
lea ecx, [ebp - 0xc0]
or dword [ebp - 4], 0xffffffff
call fcn.00454665
jmp 0x45bd07
call fcn.0045131f
push eax
lea ecx, [ebp - 0xc0]
call fcn.0045473c
call fcn.004513e2
test al, al
je 0x45bab6
call fcn.00451325
jmp 0x45bacd
push 2
push ebx
lea ecx, [ebp - 0xc0]
call fcn.00403620
push eax
call fcn.0045f15a
add esp, 0xc
mov esi, eax
test esi, esi
je 0x45ba24
lea eax, [ebp - 0x374]
push eax
lea eax, [ebp - 0x384]
push eax
push 1
push dword [ebp + 8]
push esi
call fcn.0045eb9b
add esp, 0x14
test eax, eax
jne 0x45ba24
mov edi, dword [ebp - 0x148]
test edi, edi
je 0x45ba24
push edi
call fcn.00425f0a
push 3
push edi
mov ebx, eax
push ebx
push dword [ebp - 0x384]
push esi
call fcn.0045f51a
add esp, 0x18
test eax, eax
je 0x45bb4e
cmp eax, 0x600
je 0x45bb4e
push ebx
call fcn.00425f05
pop ecx
call fcn.004513e2
test al, al
jne 0x45ba81
push esi
call fcn.0045e9f5
jmp 0x45ba80
call fcn.004513e2
test al, al
jne 0x45bb5e
push esi
call fcn.0045e9f5
pop ecx
lea ecx, [ebp - 0xc0]
jmp 0x45bc1d
push str.fullpath
push esi
call fcn.0048d85b
pop ecx
pop ecx
test eax, eax
jne 0x45bc2b
push 0xffffffffffffffff
push dword [ebp + 8]
lea ecx, [ebp - 0x144]
call fcn.00454563
push ebx
push 0x80
push 3
xor eax, eax
lea ecx, [ebp - 0x144]
inc eax
push ebx
push eax
push SysReAllocStringLen
mov dword [ebp - 4], eax
call fcn.00403620
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x45bbc7
lea ecx, [ebp - 0x144]
jmp 0x45ba2a
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x45bbbc
push edi
mov dword [ebp - 0x394], ebx
call fcn.00425f0a
pop ecx
push 0
mov ebx, eax
lea eax, [ebp - 0x394]
push eax
push edi
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x394], edi
je 0x45bc17
push ebx
call fcn.00425f05
pop ecx
lea ecx, [ebp - 0x144]
jmp 0x45ba87
lea ecx, [ebp - 0x144]
or dword [ebp - 4], 0xffffffff
call fcn.00454665
jmp 0x45bd03
push str.respath
push esi
call fcn.0048d85b
pop ecx
pop ecx
test eax, eax
jne 0x45bc94
call fcn.0045130a
push 0x4ab114
push dword [ebp + 8]
mov edi, eax
push edi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov ebx, eax
test ebx, ebx
je 0x45bf96
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x45bd07
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push ebx
push edi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov edi, eax
push edi
call fcn.00425f0a
push edi
mov ebx, eax
push esi
push ebx
call fcn.00485f00
add esp, 0x10
jmp 0x45bd03
push esi
push dword [ebp + 8]
call fcn.0045130a
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov esi, eax
test esi, esi
je 0x45bd09
push esi
call fcn.0045130a
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov dword [ebp - 0x384], eax
push esi
test eax, eax
jne 0x45bcca
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x45bd09
call fcn.0045130a
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov edi, eax
test edi, edi
je 0x45bd09
push edi
call fcn.00425f0a
pop ecx
push edi
push dword [ebp - 0x384]
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
push ebx
call fcn.00485f00
add esp, 0xc
push esi
call dword [sym.imp.KERNEL32.dll_FreeResource]
test ebx, ebx
jne 0x45bd80
xor ebx, ebx
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocStringLen
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x45bf96
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x45bf96
push edi
mov dword [ebp - 0x38c], ebx
call fcn.00425f0a
pop ecx
push 0
mov ebx, eax
lea eax, [ebp - 0x38c]
push eax
push edi
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x38c], edi
je 0x45bd78
push ebx
call fcn.00425f05
pop ecx
xor ebx, ebx
test ebx, ebx
je 0x45bf96
push 4
lea eax, [ebp - 0x398]
push eax
lea eax, [ebp - 0x380]
push eax
lea eax, [ebp - 0x388]
push eax
push edi
push ebx
call fcn.0046d51c
push ebx
mov edi, eax
call fcn.00425f05
add esp, 0x1c
test edi, edi
je 0x45bf96
push 0x2c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00486480
mov eax, dword [ebp - 0x380]
add esp, 0xc
mov ecx, dword [ebp - 0x388]
neg eax
mov dword [ebp - 0x34], eax
xor edx, edx
xor eax, eax
mov dword [ebp - 0x38], ecx
imul ecx, dword [ebp - 0x380]
inc eax
push 0x20
mov word [ebp - 0x30], ax
mov bl, dl
pop eax
push edx
push edx
mov word [ebp - 0x2e], ax
lea eax, [ebp - 0x37c]
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 - 0x375], bl
mov dword [ebp - 0x37c], edx
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov dword [ebp - 0x384], eax
test eax, eax
je 0x45bf96
mov eax, dword [ebp - 0x388]
xor esi, esi
imul eax, dword [ebp - 0x380]
test eax, eax
jle 0x45bf44
mov edx, 0xff
mov eax, dword [ebp - 0x37c]
mov cl, byte [edi + esi*4 + 3]
mov byte [eax + esi*4 + 3], cl
mov ebx, dword [ebp - 0x37c]
cmp byte [ebx + esi*4 + 3], dl
jae 0x45bec3
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
xor edx, edx
mov byte [ebx + esi*4], al
mov ebx, 0xff
movzx ecx, byte [edi + esi*4 + 3]
movzx eax, byte [edi + esi*4 + 1]
imul eax, ecx
mov ecx, dword [ebp - 0x37c]
div ebx
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, dword [ebp - 0x37c]
div ebx
xor edx, edx
inc edx
mov byte [ecx + esi*4 + 2], al
mov bl, dl
mov byte [ebp - 0x375], bl
jmp 0x45beee
mov al, byte [edi + esi*4 + 2]
xor edx, edx
mov byte [ebx + esi*4], al
inc edx
mov eax, dword [ebp - 0x37c]
mov cl, byte [edi + esi*4 + 1]
mov bl, byte [ebp - 0x375]
mov byte [eax + esi*4 + 1], cl
mov eax, dword [ebp - 0x37c]
mov cl, byte [edi + esi*4]
mov byte [eax + esi*4 + 2], cl
mov eax, dword [ebp - 0x37c]
mov ecx, dword [ebp + 0x10]
cmp dword [eax + esi*4], ecx
jne 0x45bf29
mov byte [eax + esi*4], 0
mov bl, dl
mov eax, dword [ebp - 0x37c]
mov byte [ebp - 0x375], bl
mov byte [eax + esi*4 + 1], 0
mov eax, dword [ebp - 0x37c]
mov byte [eax + esi*4 + 2], 0
mov eax, dword [ebp - 0x37c]
mov byte [eax + esi*4 + 3], 0
mov eax, dword [ebp - 0x388]
inc esi
imul eax, dword [ebp - 0x380]
mov edx, 0xff
cmp esi, eax
jl 0x45be49
push edi
call fcn.00425f05
push 0x9c
call fcn.00425ece
pop ecx
mov esi, eax
pop ecx
mov dword [ebp - 0x38c], esi
mov dword [ebp - 4], 2
test esi, esi
je 0x45bf73
lea ecx, [esi + 0x14]
call fcn.00454587
jmp 0x45bf75
xor esi, esi
mov eax, dword [ebp - 0x384]
mov dword [esi], eax
mov eax, esi
mov ecx, dword [ebp - 0x388]
mov dword [esi + 4], ecx
mov ecx, dword [ebp - 0x380]
mov dword [esi + 8], ecx
mov byte [esi + 0x10], bl
jmp 0x45bf98
xor eax, eax
call fcn.0044d7bf
ret