Function at 0x426dc8
Capabilities:
Check if file exists
Get file attributes
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
mov ecx, 5
push 0
push 0
dec ecx
jne 0x426dd0
push ebx
push esi
push edi
mov byte [ebp - 9], al
xor eax, eax
push ebp
push 0x427123
push dword fs:[eax]
mov dword fs:[eax], esp
xor ebx, ebx
lea eax, [ebp - 4]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov edx, dword [edx + 0x4c]
call fcn.0040672c
push 1
mov esi, dword [0x557100]
mov esi, dword [esi]
mov ecx, 0x7fffffff
mov edx, dword [ebp - 4]
mov eax, 0x427140
call esi
mov edx, eax
lea eax, [ebp - 4]
mov ecx, 0x7fffffff
call fcn.00406dfc
lea eax, [ebp - 0x14]
mov ecx, 0x427150
mov edx, dword [ebp - 4]
call fcn.00406aac
mov eax, dword [ebp - 0x14]
call fcn.00406764
push eax
call sub.kernel32.dll_GetFileAttributesW
cmp eax, 0xffffffff
je 0x427041
cmp byte [ebp - 9], 0
jne 0x427041
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov eax, dword [eax + 0x40]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
sub eax, dword [edx + 0x38]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov dword [edx + 0x48c], eax
mov edx, dword [ebp + 8]
test eax, eax
jne 0x427022
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov dword [eax + 0x48c], 0x1000
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
jne 0x426ec3
push 0
push 0
push 3
push 0
push 1
push 0x80000000
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov eax, dword [eax + 0x4c]
call fcn.00406764
push eax
call sub.kernel32.dll_CreateFileW_1
mov ebx, eax
jmp 0x426ef8
push 0
push 0
push 3
push 0
push 1
push 0x80000000
lea eax, [ebp - 0x18]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov edx, dword [edx + 0x4c]
mov ecx, 0
call fcn.0040691c
mov eax, dword [ebp - 0x18]
call fcn.00406040
push eax
call sub.kernel32.dll_CreateFileA
mov ebx, eax
cmp ebx, 0xffffffff
je 0x427022
push 0
push 0
push 0
push 2
push 0
push ebx
call sub.kernel32.dll_CreateFileMappingA
mov esi, eax
test esi, esi
je 0x42701c
push 0
push 0
push 0
push 4
push esi
call sub.kernel32.dll_MapViewOfFile
mov edi, eax
test edi, edi
je 0x427016
mov eax, edi
call fcn.00419e1c
test eax, eax
je 0x427010
movzx edx, word [eax + 0x18]
cmp dx, 0x20b
jne 0x426f5a
mov ecx, eax
add ecx, 0x108
mov dword [ebp - 0x10], ecx
jmp 0x426f65
mov ecx, eax
add ecx, 0xf8
mov dword [ebp - 0x10], ecx
mov ecx, dword [ebp - 0x10]
test byte [ecx + 0x24], 0x20
je 0x426fb3
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0xc]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov dword [edx + 0x48c], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 8]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov dword [edx + 0x44], eax
add dword [ebp - 0x10], 0x28
mov eax, dword [ebp - 0x10]
test byte [eax + 0x24], 0x20
je 0x427010
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0xc]
mov edx, dword [ebp - 0x10]
add eax, dword [edx + 8]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov dword [edx + 0x44], eax
jmp 0x427010
cmp dx, 0x20b
jne 0x426fe9
lea edx, [eax + 0x18]
mov edx, dword [edx + 0x14]
mov ecx, dword [ebp + 8]
mov ecx, dword [ecx - 4]
mov dword [ecx + 0x48c], edx
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov edx, dword [edx + 0x48c]
add eax, 0x18
add edx, dword [eax + 4]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov dword [eax + 0x44], edx
jmp 0x427010
mov edx, dword [eax + 0x2c]
mov ecx, dword [ebp + 8]
mov ecx, dword [ecx - 4]
mov dword [ecx + 0x48c], edx
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov edx, dword [edx + 0x48c]
add edx, dword [eax + 0x1c]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov dword [eax + 0x44], edx
push edi
call sub.kernel32.dll_UnmapViewOfFile
push esi
call sub.kernel32.dll_CloseHandle_1
push ebx
call sub.kernel32.dll_CloseHandle_1
mov eax, dword [ebp + 8]
push eax
lea eax, [ebp - 0x1c]
mov ecx, 0x427150
mov edx, dword [ebp - 4]
call fcn.00406aac
mov eax, dword [ebp - 0x1c]
call fcn.00425ca0
pop ecx
mov ebx, eax
test bl, bl
jne 0x4270e8
cmp byte [ebp - 9], 0
jne 0x42707f
lea eax, [ebp - 0x20]
mov ecx, 0x427168
mov edx, dword [ebp - 4]
call fcn.00406aac
mov eax, dword [ebp - 0x20]
lea edx, [ebp - 8]
call fcn.004234c8
test al, al
je 0x42707f
mov eax, dword [ebp + 8]
push eax
mov eax, dword [ebp - 8]
call fcn.00424c78
pop ecx
mov bl, 1
jmp 0x4270e8
lea eax, [ebp - 0x24]
mov ecx, 0x427180
mov edx, dword [ebp - 4]
call fcn.00406aac
mov eax, dword [ebp - 0x24]
lea edx, [ebp - 8]
call fcn.004234c8
test al, al
je 0x4270af
mov eax, dword [ebp + 8]
push eax
mov eax, dword [ebp - 8]
call fcn.004240f4
pop ecx
test al, al
jne 0x4270b3
xor ebx, ebx
jmp 0x4270b5
mov bl, 1
test bl, bl
jne 0x4270e4
cmp byte [ebp - 9], 0
jne 0x4270e0
mov eax, dword [ebp + 8]
push eax
lea eax, [ebp - 0x28]
mov ecx, 0x427198
mov edx, dword [ebp - 4]
call fcn.00406aac
mov eax, dword [ebp - 0x28]
call fcn.00425520
pop ecx
test al, al
jne 0x4270e4
xor eax, eax
jmp 0x4270e6
mov al, 1
mov ebx, eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x42712a
lea eax, [ebp - 0x28]
mov edx, 4
call fcn.004066d0
lea eax, [ebp - 0x18]
call fcn.00405984
lea eax, [ebp - 0x14]
call fcn.004066c8
lea eax, [ebp - 8]
call fcn.00405984
lea eax, [ebp - 4]
call fcn.004066c8
ret