Function at 0x401778
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
push ebx
mov ebx, edx
mov dword [ebp - 4], ecx
push esi
xor esi, esi
mov dword [ebp - 0xc], ebx
cmp ebx, 0x40
jae 0x40179e
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
jmp 0x4018ef
mov eax, 0x5a4d
cmp word [ecx], ax
je 0x4017af
push 0xc1
jmp 0x401791
mov edx, dword [ecx + 0x3c]
lea eax, [edx + 0xf8]
cmp ebx, eax
jb 0x40178f
lea ebx, [edx + ecx]
cmp dword [ebx], 0x4550
jne 0x4017a8
mov eax, 0x14c
cmp word [ebx + 4], ax
jne 0x4017a8
test byte [ebx + 0x38], 1
jne 0x4017a8
movzx edx, word [ebx + 6]
movzx eax, word [ebx + 0x14]
test edx, edx
je 0x401806
lea ecx, [ebx + 0x24]
add ecx, eax
cmp dword [ecx + 4], 0
mov eax, dword [ecx]
jne 0x4017f6
add eax, dword [ebx + 0x38]
jmp 0x4017f9
add eax, dword [ecx + 4]
cmp eax, esi
cmova esi, eax
add ecx, 0x28
sub edx, 1
jne 0x4017e9
push edi
lea eax, [ebp - 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x2c]
lea edx, [ecx - 1]
lea edi, [ecx - 1]
not edx
add edi, dword [ebx + 0x50]
lea eax, [ecx - 1]
add eax, esi
and edi, edx
and eax, edx
cmp edi, eax
je 0x40183c
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
jmp 0x4018ec
push 4
push 0x3000
push edi
push dword [ebx + 0x34]
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
mov dword [ebp - 8], esi
test esi, esi
jne 0x401872
push 4
push 0x3000
push edi
push eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
mov dword [ebp - 8], eax
test esi, esi
jne 0x401872
push 0xe
jmp 0x401831
push 0x40
push 8
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
test edi, edi
jne 0x401898
push 0x8000
push eax
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x40186e
mov dword [edi + 4], esi
movzx eax, word [ebx + 0x16]
and dword [edi + 0x34], 0
shr eax, 0xd
and eax, 1
mov dword [edi + 0x1c], 0x401716
mov dword [edi + 0x14], eax
mov dword [edi + 0x20], 0x40172f
mov dword [edi + 0x24], 0x401745
mov dword [edi + 0x28], 0x401755
mov dword [edi + 0x2c], 0x401768
mov eax, dword [ebp - 0x2c]
mov dword [edi + 0x3c], eax
mov eax, dword [ebx + 0x54]
cmp dword [ebp - 0xc], eax
jae 0x4018f7
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
mov ecx, edi
call fcn.00401b0b
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
push 4
push 0x1000
push eax
push esi
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push dword [ebx + 0x54]
mov esi, eax
push dword [ebp - 4]
push esi
call fcn.0043a3b0
mov eax, dword [ebp - 4]
add esp, 0xc
mov edx, dword [ebp - 0xc]
mov ecx, dword [ebp - 4]
mov eax, dword [eax + 0x3c]
add eax, esi
mov esi, dword [ebp - 8]
mov dword [edi], eax
push edi
mov dword [eax + 0x34], esi
call fcn.00401420
test eax, eax
jne 0x4018e5
mov eax, dword [edi]
mov edx, dword [eax + 0x34]
sub edx, dword [ebx + 0x34]
je 0x40194d
mov ecx, edi
call fcn.0040153b
mov dword [edi + 0x18], eax
jmp 0x401954
mov dword [edi + 0x18], 1
mov ecx, edi
call fcn.004015da
test eax, eax
je 0x4018e5
mov ecx, edi
call fcn.004014a4
test eax, eax
jne 0x4018e5
mov eax, dword [edi]
mov ecx, dword [edi + 4]
mov dword [ebp - 0xc], ecx
mov ebx, dword [eax + 0xc0]
test ebx, ebx
je 0x4019a3
mov ebx, dword [ebx + ecx + 0xc]
test ebx, ebx
je 0x4019a3
mov eax, dword [ebx]
test eax, eax
je 0x4019a3
mov esi, ecx
push 0
push 1
push esi
call eax
lea ebx, [ebx + 4]
mov eax, dword [ebx]
test eax, eax
jne 0x401990
mov esi, dword [ebp - 8]
mov eax, dword [edi]
mov eax, dword [eax + 0x28]
test eax, eax
je 0x4019d5
add eax, esi
cmp dword [edi + 0x14], 0
je 0x4019d0
push 0
xor ebx, ebx
inc ebx
push ebx
push esi
call eax
test eax, eax
jne 0x4019cb
push 0x45a
jmp 0x4018df
mov dword [edi + 0x10], ebx
jmp 0x4019d9
mov dword [edi + 0x38], eax
jmp 0x4019d9
and dword [edi + 0x38], 0
mov eax, edi
jmp 0x4018ee