Function at 0x402030
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
push ebx
push esi
mov dword [ebp - 8], ecx
mov ecx, 0x743035
push edi
call fcn.00442547
mov ebx, dword [ebp + 0xc]
xor esi, esi
cmp ebx, 0x40
jb 0x402071
mov edx, dword [ebp + 8]
mov eax, 0x5a4d
cmp word [edx], ax
jne 0x402483
mov ecx, dword [edx + 0x3c]
mov dword [ebp - 0xc], ecx
lea eax, [ecx + 0xf8]
cmp ebx, eax
jae 0x402084
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x18
cmp dword [ecx + edx], 0x4550
lea ebx, [ecx + edx]
mov dword [ebp - 0x10], ebx
jne 0x402483
mov eax, 0x14c
cmp word [ebx + 4], ax
jne 0x402483
mov ecx, dword [ebx + 0x38]
test cl, 1
jne 0x402483
movzx edx, word [ebx + 0x14]
movzx edi, word [ebx + 6]
add edx, 0x24
test edi, edi
je 0x4020e0
add edx, ebx
mov eax, dword [edx + 4]
lea edx, [edx + 0x28]
test eax, eax
cmovne ecx, eax
add ecx, dword [edx - 0x28]
cmp ecx, esi
cmovbe ecx, esi
mov esi, ecx
mov ecx, dword [ebx + 0x38]
sub edi, 1
jne 0x4020c3
lea eax, [ebp - 0x3c]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x38]
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
jne 0x402483
mov esi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push 4
push 0x3000
push edi
push dword [ebx + 0x34]
call esi
mov dword [ebp - 4], eax
test eax, eax
jne 0x402135
push 4
push 0x3000
push edi
push eax
call esi
mov dword [ebp - 4], eax
test eax, eax
je 0x402163
mov eax, dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x34
push 8
mov dword [ebp - 0x18], eax
call eax
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp - 4]
mov edi, eax
mov dword [ebp - 0x14], edi
test edi, edi
jne 0x402176
push 0x8000
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
push 0xe
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x18
mov dword [edi + 4], ecx
movzx eax, word [ebx + 0x16]
mov ecx, dword [ebp - 8]
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 - 0x38]
mov dword [edi + 0x30], eax
push dword [ebx + 0x54]
push dword [ebp + 0xc]
call fcn.00401cc0
test eax, eax
je 0x4022d8
push 4
push 0x1000
push dword [ebx + 0x54]
push dword [ebp - 4]
call esi
push dword [ebx + 0x54]
mov esi, eax
push dword [ebp + 8]
push esi
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebp + 8]
add esp, 0xc
mov ecx, dword [ebp - 4]
mov dword [ebp + 0x14], 0
mov eax, dword [eax + 0x3c]
add eax, esi
xor esi, esi
mov dword [edi], eax
mov dword [eax + 0x34], ecx
mov ecx, dword [edi]
mov edx, dword [edi + 4]
mov dword [ebp + 0x10], edx
movzx eax, word [ecx + 0x14]
add eax, 0x24
cmp si, word [ecx + 6]
jae 0x4022ad
lea ebx, [eax + ecx]
nop
mov ecx, dword [ebx + 4]
test ecx, ecx
jne 0x402253
mov eax, dword [ebp - 0xc]
mov ecx, dword [ebp + 8]
mov esi, dword [eax + ecx + 0x38]
test esi, esi
jle 0x402292
mov eax, dword [ebx]
push 4
push 0x1000
push esi
add eax, edx
push eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
test eax, eax
je 0x4022d8
mov eax, dword [ebx]
add eax, dword [ebp + 0x10]
push esi
push 0
push eax
mov dword [ebx - 4], eax
call sub.VCRUNTIME140.dll_memset
jmp 0x40228c
mov eax, dword [ebx + 8]
add eax, ecx
cmp dword [ebp + 0xc], eax
jb 0x4022d0
mov eax, dword [ebx]
push 4
push 0x1000
push ecx
add eax, edx
push eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
test eax, eax
je 0x4022d8
push dword [ebx + 4]
mov eax, dword [ebx + 8]
mov esi, dword [ebx]
add eax, dword [ebp + 8]
add esi, dword [ebp + 0x10]
push eax
push esi
call sub.VCRUNTIME140.dll_memcpy
mov dword [ebx - 4], esi
mov edx, dword [ebp + 0x10]
add esp, 0xc
mov ecx, dword [edi]
add ebx, 0x28
mov esi, dword [ebp + 0x14]
inc esi
mov dword [ebp + 0x14], esi
movzx eax, word [ecx + 6]
cmp esi, eax
jl 0x402210
mov ebx, dword [ebp - 0x10]
mov eax, dword [ecx + 0x34]
sub eax, dword [ebx + 0x34]
mov dword [ebp + 0xc], eax
je 0x4023cd
cmp dword [ecx + 0xa4], 0
jne 0x402356
xor eax, eax
jmp 0x4023d2
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
cmp dword [edi + 0x10], 0
je 0x4022ef
mov eax, dword [edi]
mov ecx, dword [edi + 4]
push 0
push 0
mov eax, dword [eax + 0x28]
push ecx
add eax, ecx
call eax
mov eax, dword [edi + 8]
test eax, eax
je 0x402329
xor esi, esi
cmp dword [edi + 0xc], esi
jle 0x40231f
nop dword [eax]
mov eax, dword [edi + 8]
mov ecx, dword [eax + esi*4]
test ecx, ecx
je 0x402319
push dword [edi + 0x28]
mov eax, dword [edi + 0x24]
push ecx
call eax
mov eax, dword [edi + 8]
add esp, 8
inc esi
cmp esi, dword [edi + 0xc]
jl 0x402300
push eax
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x40233e
push 0x8000
push 0
push eax
call dword [sym.imp.KERNEL32.dll_VirtualFree]
push edi
push 0
call dword [ebp - 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x18
mov edx, dword [edi + 4]
mov ebx, dword [ecx + 0xa0]
add ebx, edx
mov dword [ebp + 0x10], edx
mov eax, dword [ebx]
test eax, eax
je 0x4023cd
nop word [eax + eax]
mov ecx, dword [ebx + 4]
add eax, edx
mov dword [ebp + 8], eax
lea edx, [ebx + 8]
xor esi, esi
lea eax, [ecx - 8]
test eax, 0xfffffffe
jbe 0x4023be
mov edi, dword [ebp + 8]
nop word [eax + eax]
movzx eax, word [edx]
mov ecx, eax
and ecx, 0xf000
cmp ecx, 0x3000
jne 0x4023ae
mov ecx, dword [ebp + 0xc]
and eax, 0xfff
add dword [eax + edi], ecx
mov ecx, dword [ebx + 4]
inc esi
add edx, 2
lea eax, [ecx - 8]
shr eax, 1
cmp esi, eax
jb 0x402390
mov eax, dword [ebx + ecx]
add ebx, ecx
mov edx, dword [ebp + 0x10]
test eax, eax
jne 0x402370
mov edi, dword [ebp - 0x14]
mov eax, 1
mov ebx, dword [ebp - 8]
mov ecx, ebx
push edi
mov dword [edi + 0x18], eax
call fcn.00401b40
test eax, eax
je 0x4022d8
push edi
mov ecx, ebx
call fcn.00401da0
test eax, eax
je 0x4022d8
mov edx, dword [edi]
mov ecx, edx
mov esi, dword [edx + 0xc0]
test esi, esi
je 0x40242a
mov ebx, dword [edi + 4]
mov esi, dword [esi + ebx + 0xc]
test esi, esi
je 0x40242a
mov eax, dword [esi]
test eax, eax
je 0x40242a
push 0
push 1
push ebx
call eax
mov eax, dword [esi + 4]
lea esi, [esi + 4]
test eax, eax
jne 0x402417
mov ecx, dword [edi]
mov eax, dword [ecx + 0x28]
test eax, eax
je 0x402471
mov ecx, dword [ebp - 4]
add eax, ecx
cmp dword [edi + 0x14], 0
je 0x402463
push 0
push 1
push ecx
call eax
test eax, eax
jne 0x402451
push 0x45a
jmp 0x4022d2
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
mov dword [edi + 0x2c], eax
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
mov dword [edi + 0x2c], 0
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x18