Function at 0x401662
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push edi
push 0x40
push dword [ebp + 0xc]
xor edi, edi
call fcn.0040125f
test eax, eax
je 0x4018c4
push esi
mov esi, dword [ebp + 8]
mov eax, 0x5a4d
cmp word [esi], ax
je 0x401698
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
jmp 0x4016ad
mov eax, dword [esi + 0x3c]
add eax, 0xf8
push eax
push dword [ebp + 0xc]
call fcn.0040125f
test eax, eax
jne 0x4016b4
xor eax, eax
jmp 0x4018c3
push ebx
mov ebx, dword [esi + 0x3c]
add ebx, esi
cmp dword [ebx], 0x4550
je 0x4016d2
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
jmp 0x4018c0
mov eax, 0x14c
cmp word [ebx + 4], ax
jne 0x4016c2
test byte [ebx + 0x38], 1
jne 0x4016c2
movzx edx, word [ebx + 6]
movzx eax, word [ebx + 0x14]
test edx, edx
je 0x401711
lea ecx, [ebx + 0x24]
add ecx, eax
cmp dword [ecx + 4], 0
mov eax, dword [ecx]
jne 0x401701
add eax, dword [ebx + 0x38]
jmp 0x401704
add eax, dword [ecx + 4]
cmp eax, edi
cmova edi, eax
add ecx, 0x28
sub edx, 1
jne 0x4016f4
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x28]
lea edx, [ecx - 1]
lea esi, [ecx - 1]
not edx
add esi, dword [ebx + 0x50]
lea eax, [ecx - 1]
add eax, edi
and esi, edx
and eax, edx
mov dword [ebp - 8], esi
cmp esi, eax
jne 0x4016c2
mov edi, dword [ebp + 0x24]
push edi
push 4
push 0x3000
push esi
push dword [ebx + 0x34]
call dword [ebp + 0x10]
mov esi, eax
mov dword [ebp - 4], esi
test esi, esi
jne 0x401773
push edi
push 4
push 0x3000
push dword [ebp - 8]
push eax
call dword [ebp + 0x10]
mov esi, eax
mov dword [ebp - 4], eax
test esi, esi
jne 0x401773
push 0xe
jmp 0x4016c7
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 0x40179a
mov eax, dword [ebp + 0x24]
push eax
push 0x8000
push edi
push esi
call dword [ebp + 0x14]
jmp 0x40176c
mov dword [edi + 4], esi
movzx eax, word [ebx + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x14], eax
mov eax, dword [ebp + 0x10]
mov dword [edi + 0x1c], eax
mov eax, dword [ebp + 0x14]
mov dword [edi + 0x20], eax
mov eax, dword [ebp + 0x18]
mov dword [edi + 0x24], eax
mov eax, dword [ebp + 0x1c]
mov dword [edi + 0x28], eax
mov eax, dword [ebp + 0x20]
mov dword [edi + 0x2c], eax
mov eax, dword [ebp + 0x24]
mov dword [edi + 0x34], eax
mov eax, dword [ebp - 0x28]
mov dword [edi + 0x3c], eax
push dword [ebx + 0x54]
push dword [ebp + 0xc]
call fcn.0040125f
test eax, eax
je 0x4018ba
push dword [ebp + 0x24]
push 4
push 0x1000
push dword [ebx + 0x54]
push esi
call dword [ebp + 0x10]
push dword [ebx + 0x54]
mov esi, eax
push dword [ebp + 8]
push esi
call fcn.00434350
mov edx, dword [ebp + 8]
add esp, 0xc
mov eax, dword [edx + 0x3c]
add eax, esi
mov esi, dword [ebp - 4]
push edi
push dword [ebp + 0xc]
mov dword [edi], eax
push edx
mov dword [eax + 0x34], esi
call fcn.0040127d
test eax, eax
jne 0x4018ba
mov eax, dword [edi]
mov eax, dword [eax + 0x34]
sub eax, dword [ebx + 0x34]
je 0x401841
push eax
push edi
call fcn.00401386
mov dword [edi + 0x18], eax
jmp 0x401848
mov dword [edi + 0x18], 1
push edi
call fcn.00401120
test eax, eax
je 0x4018ba
push edi
call fcn.004012ef
test eax, eax
jne 0x4018ba
mov eax, dword [edi]
mov ecx, dword [edi + 4]
mov dword [ebp + 0x24], ecx
mov ebx, dword [eax + 0xc0]
test ebx, ebx
je 0x401891
mov ebx, dword [ebx + ecx + 0xc]
test ebx, ebx
je 0x401891
mov eax, dword [ebx]
test eax, eax
je 0x401891
mov esi, ecx
push 0
push 1
push esi
call eax
lea ebx, [ebx + 4]
mov eax, dword [ebx]
test eax, eax
jne 0x40187e
mov esi, dword [ebp - 4]
mov eax, dword [edi]
mov eax, dword [eax + 0x28]
test eax, eax
je 0x4018d5
add eax, esi
cmp dword [edi + 0x14], 0
je 0x4018d0
push 0
xor ebx, ebx
inc ebx
push ebx
push esi
call eax
test eax, eax
jne 0x4018cb
push 0x45a
call dword [sym.imp.KERNEL32.dll_SetLastError]
push edi
call fcn.004014a0
xor eax, eax
pop ebx
pop esi
pop edi
mov esp, ebp
pop ebp
ret 0x20
mov dword [edi + 0x10], ebx
jmp 0x4018d9
mov dword [edi + 0x38], eax
jmp 0x4018d9
and dword [edi + 0x38], 0
mov eax, edi
jmp 0x4018c2