Function at 0x401b60
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
mov edx, dword [esp + 8]
sub esp, 0x38
push ebx
push ebp
push esi
xor esi, esi
push edi
cmp edx, 0x40
jb 0x401b90
mov ecx, dword [esp + 0x4c]
mov eax, 0x5a4d
cmp word [ecx], ax
jne 0x401fd2
mov eax, dword [ecx + 0x3c]
add eax, 0xf8
cmp edx, eax
jae 0x401ba2
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x38
ret
mov ebp, dword [ecx + 0x3c]
add ebp, ecx
cmp dword [ebp], 0x4550
jne 0x401fd2
mov eax, 0x14c
cmp word [ebp + 4], ax
jne 0x401fd2
mov ebx, dword [ebp + 0x38]
test bl, 1
jne 0x401fd2
movzx ecx, word [ebp + 0x14]
movzx edi, word [ebp + 6]
add ecx, 0x24
test edi, edi
je 0x401bff
add ecx, ebp
mov eax, dword [ecx + 4]
mov edx, dword [ecx]
test eax, eax
jne 0x401bee
lea eax, [edx + ebx]
jmp 0x401bf0
add eax, edx
cmp eax, esi
cmovbe eax, esi
add ecx, 0x28
mov esi, eax
sub edi, 1
jne 0x401be0
lea eax, [esp + 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [esp + 0x28]
lea edx, [ecx - 1]
lea edi, [ecx - 1]
not edx
add edi, dword [ebp + 0x50]
lea eax, [ecx - 1]
add eax, esi
and edi, edx
and eax, edx
cmp edi, eax
jne 0x401fd2
mov esi, dword [esp + 0x68]
mov ebx, dword [esp + 0x54]
push esi
push 4
push 0x3000
push edi
push dword [ebp + 0x34]
call ebx
add esp, 0x14
mov dword [esp + 0x10], eax
test eax, eax
jne 0x401c62
push esi
push 4
push 0x3000
push edi
push eax
call ebx
add esp, 0x14
mov dword [esp + 0x10], eax
test eax, eax
je 0x401c95
mov eax, dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x40
push 8
mov dword [esp + 0x28], eax
call eax
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [esp + 0x10]
mov edi, eax
mov dword [esp + 0x1c], edi
test edi, edi
jne 0x401ca7
push esi
push 0x8000
push eax
push ecx
call dword [esp + 0x68]
add esp, 0x10
push 0xe
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x38
ret
mov dword [edi + 4], ecx
movzx eax, word [ebp + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x1c], ebx
mov dword [edi + 0x14], eax
mov eax, dword [esp + 0x58]
mov dword [edi + 0x20], eax
mov eax, dword [esp + 0x5c]
mov dword [edi + 0x24], eax
mov eax, dword [esp + 0x60]
mov dword [edi + 0x28], eax
mov eax, dword [esp + 0x64]
mov dword [edi + 0x2c], eax
mov dword [edi + 0x34], esi
mov eax, dword [esp + 0x28]
mov dword [edi + 0x3c], eax
push dword [ebp + 0x54]
push dword [esp + 0x54]
call fcn.00401890
add esp, 8
test eax, eax
je 0x401e24
push esi
push 4
push 0x1000
push dword [ebp + 0x54]
push dword [esp + 0x20]
call ebx
push dword [ebp + 0x54]
mov ebx, dword [esp + 0x64]
mov esi, eax
push ebx
push esi
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x3c]
add esp, 0x20
mov ecx, dword [esp + 0x10]
add eax, esi
mov dword [edi], eax
mov dword [esp + 0x18], 0
mov dword [eax + 0x34], ecx
xor ecx, ecx
mov eax, dword [edi]
mov edx, dword [edi + 4]
mov dword [esp + 0x14], edx
movzx ebx, word [eax + 0x14]
add ebx, 0x24
cmp cx, word [eax + 6]
jae 0x401df6
add ebx, eax
nop
mov ecx, dword [ebx + 4]
test ecx, ecx
jne 0x401d92
mov esi, dword [ebp + 0x38]
test esi, esi
jle 0x401ddc
push dword [edi + 0x34]
mov eax, dword [ebx]
mov ecx, dword [edi + 0x1c]
add eax, edx
push 4
push 0x1000
push esi
push eax
call ecx
add esp, 0x14
test eax, eax
je 0x401e24
mov eax, dword [ebx]
add eax, dword [esp + 0x14]
push esi
push 0
push eax
mov dword [ebx - 4], eax
call sub.VCRUNTIME140.dll_memset
jmp 0x401dd5
mov eax, dword [ebx + 8]
add eax, ecx
cmp dword [esp + 0x50], eax
jb 0x401e1c
push dword [edi + 0x34]
mov eax, dword [ebx]
mov ecx, dword [edi + 0x1c]
add eax, edx
push 4
push 0x1000
push dword [ebx + 4]
push eax
call ecx
add esp, 0x14
test eax, eax
je 0x401e24
push dword [ebx + 4]
mov eax, dword [ebx + 8]
mov esi, dword [ebx]
add eax, dword [esp + 0x50]
add esi, dword [esp + 0x18]
push eax
push esi
call sub.VCRUNTIME140.dll_memcpy
mov dword [ebx - 4], esi
mov edx, dword [esp + 0x20]
add esp, 0xc
mov eax, dword [edi]
add ebx, 0x28
mov esi, dword [esp + 0x18]
inc esi
mov dword [esp + 0x18], esi
movzx eax, word [eax + 6]
cmp esi, eax
jl 0x401d50
mov ebx, dword [edi]
mov eax, dword [ebx + 0x34]
sub eax, dword [ebp + 0x34]
mov dword [esp + 0x50], eax
je 0x401f21
cmp dword [ebx + 0xa4], 0
jne 0x401eb1
xor eax, eax
jmp 0x401f26
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
cmp dword [edi + 0x10], 0
je 0x401e3b
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
push dword [edi + 0x30]
mov ebp, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
call ebp
add esp, 4
cmp dword [edi + 8], 0
je 0x401e7f
xor ebx, ebx
cmp dword [edi + 0xc], ebx
jle 0x401e77
xor esi, esi
mov eax, dword [edi + 8]
mov eax, dword [esi + eax]
test eax, eax
je 0x401e6e
push dword [edi + 0x34]
push eax
mov eax, dword [edi + 0x2c]
call eax
add esp, 8
inc ebx
add esi, 4
cmp ebx, dword [edi + 0xc]
jl 0x401e58
push dword [edi + 8]
call ebp
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x401e99
push dword [edi + 0x34]
push 0x8000
push 0
push eax
mov eax, dword [edi + 0x20]
call eax
add esp, 0x10
push edi
push 0
call dword [esp + 0x28]
push eax
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x38
ret
mov ecx, dword [edi + 4]
mov ebx, dword [ebx + 0xa0]
add ebx, ecx
mov dword [esp + 0x18], ecx
mov eax, dword [ebx]
test eax, eax
je 0x401f21
mov edi, dword [esp + 0x50]
nop word [eax + eax]
lea ebp, [eax + ecx]
xor esi, esi
mov ecx, dword [ebx + 4]
lea edx, [ebx + 8]
lea eax, [ecx - 8]
test eax, 0xfffffffe
jbe 0x401f10
movzx eax, word [edx]
mov ecx, eax
and ecx, 0xf000
cmp ecx, 0x3000
jne 0x401f00
and eax, 0xfff
add dword [eax + ebp], edi
mov ecx, dword [ebx + 4]
inc esi
add edx, 2
lea eax, [ecx - 8]
shr eax, 1
cmp esi, eax
jb 0x401ee5
mov eax, dword [ebx + ecx]
add ebx, ecx
mov ecx, dword [esp + 0x18]
test eax, eax
jne 0x401ed0
mov edi, dword [esp + 0x1c]
mov eax, 1
push edi
mov dword [edi + 0x18], eax
call fcn.00401710
add esp, 4
test eax, eax
je 0x401e24
push edi
call fcn.00401960
add esp, 4
test eax, eax
je 0x401e24
mov eax, dword [edi]
mov esi, dword [eax + 0xc0]
test esi, esi
je 0x401f79
mov ebx, dword [edi + 4]
mov esi, dword [esi + ebx + 0xc]
test esi, esi
je 0x401f79
mov eax, dword [esi]
test eax, eax
je 0x401f79
push 0
push 1
push ebx
call eax
mov eax, dword [esi + 4]
lea esi, [esi + 4]
test eax, eax
jne 0x401f68
mov eax, dword [edi]
mov eax, dword [eax + 0x28]
test eax, eax
je 0x401fc1
mov ecx, dword [esp + 0x10]
add eax, ecx
cmp dword [edi + 0x14], 0
je 0x401fb4
push 0
push 1
push ecx
call eax
test eax, eax
jne 0x401fa3
push 0x45a
jmp 0x401e1e
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x38
ret
mov dword [edi + 0x38], eax
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x38
ret
mov dword [edi + 0x38], 0
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x38
ret
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x38
ret