Function at 0x42ead1
Capabilities:
Get system information on windows
Parse pe header
Read file via mapping

Disassembly:
mov eax, 0x46809c
call fcn.0043540c
sub esp, 0x38
push ebx
xor ebx, ebx
push esi
push edi
mov dword [ebp - 0x14], ebx
mov dword [ebp - 4], ebx
mov dword [ebp - 0x10], ebx
or dword [ebp - 0x18], 0xffffffff
mov dword [ebp - 0x1c], ebx
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
push dword [ebp + 8]
mov byte [ebp - 4], 2
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp dword [ebp - 0x18], esi
je 0x42eb22
lea ecx, [ebp - 0x18]
call fcn.004056bd
mov dword [ebp - 0x18], esi
push ebx
push ebx
push ebx
push 2
push ebx
push dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov esi, eax
cmp dword [ebp - 0x14], esi
je 0x42eb43
lea ecx, [ebp - 0x14]
call fcn.0040cb13
mov dword [ebp - 0x14], esi
cmp dword [ebp - 0x14], ebx
jne 0x42eb70
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 1
call fcn.004056bd
lea ecx, [ebp - 0x10]
mov byte [ebp - 4], bl
call fcn.0042ff67
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
call fcn.0040cb13
jmp 0x42eca4
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov eax, dword [ebp - 0x40]
push eax
push ebx
push ebx
push 4
push dword [ebp - 0x14]
mov dword [ebp - 0x20], eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov esi, eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
je 0x42eba4
lea ecx, [ebp - 0x10]
call fcn.0042ff67
mov eax, esi
mov dword [ebp - 0x10], eax
cmp eax, ebx
je 0x42eb48
cmp word [eax], 0x5a4d
mov edi, dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
jne 0x42ecc0
mov esi, dword [eax + 0x3c]
push 0xf8
add esi, eax
mov dword [ebp + 8], eax
push esi
call dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
test eax, eax
jne 0x42ed0a
cmp dword [esi], 0x4550
jne 0x42ed0a
mov eax, dword [esi + 0x54]
cmp dword [ebp - 0x20], eax
mov dword [ebp - 0x1c], eax
jae 0x42eca8
push dword [ebp - 0x10]
call edi
push dword [ebp - 0x1c]
push ebx
push ebx
push 4
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov esi, eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
je 0x42ec1e
cmp eax, ebx
je 0x42ec19
cmp edi, ebx
je 0x42ec19
push eax
call edi
mov eax, esi
mov dword [ebp - 0x10], eax
cmp word [eax], 0x5a4d
mov dword [ebp + 8], eax
je 0x42ec4f
cmp dword [ebp - 0x18], 0xffffffff
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x42ec44
cmp esi, ebx
je 0x42ec44
push dword [ebp - 0x18]
call esi
or dword [ebp - 0x18], 0xffffffff
mov eax, dword [ebp - 0x10]
cmp eax, ebx
je 0x42ec96
cmp edi, ebx
je 0x42ec96
push eax
jmp 0x42ec91
mov esi, dword [eax + 0x3c]
push 0xf8
add esi, eax
push esi
call dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
test eax, eax
jne 0x42ec6c
cmp dword [esi], 0x4550
je 0x42eca8
cmp dword [ebp - 0x18], 0xffffffff
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x42ec85
cmp esi, ebx
je 0x42ec85
push dword [ebp - 0x18]
call esi
or dword [ebp - 0x18], 0xffffffff
cmp dword [ebp - 0x10], ebx
je 0x42ec96
cmp edi, ebx
je 0x42ec96
push dword [ebp - 0x10]
call edi
mov dword [ebp - 0x10], ebx
cmp dword [ebp - 0x14], ebx
je 0x42eca4
cmp esi, ebx
je 0x42eca4
push dword [ebp - 0x14]
call esi
xor eax, eax
jmp 0x42ecfb
push dword [ebp + 0xc]
push esi
push dword [ebp + 8]
push dword [ebp - 0x14]
call fcn.0042ed4c
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x10]
add esp, 0x10
cmp dword [ebp - 0x18], 0xffffffff
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x42ecdc
cmp esi, ebx
je 0x42ecdc
push dword [ebp - 0x18]
call esi
or dword [ebp - 0x18], 0xffffffff
mov eax, dword [ebp - 0x10]
cmp eax, ebx
je 0x42ecea
cmp edi, ebx
je 0x42ecea
push eax
call edi
mov dword [ebp - 0x10], ebx
cmp dword [ebp - 0x14], ebx
je 0x42ecf8
cmp esi, ebx
je 0x42ecf8
push dword [ebp - 0x14]
call esi
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 1
call fcn.004056bd
cmp dword [ebp - 0x10], ebx
je 0x42ed2c
mov eax, dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp eax, ebx
je 0x42ed2c
push dword [ebp - 0x10]
call eax
mov dword [ebp - 0x10], ebx
cmp dword [ebp - 0x14], ebx
je 0x42eca4
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp eax, ebx
je 0x42eca4
push dword [ebp - 0x14]
call eax
jmp 0x42eca4