Function at 0x54fb90
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14c
mov eax, dword [0x5ca1c8]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
mov dword [ebp - 0x124], 0
push edi
mov dword [esi], 0
mov dword [esi + 0x1c], 3
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push str.IsWow64Process
push str.kernel32.dll
mov edi, eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x54fc0b
lea ecx, [ebp - 0x128]
mov dword [ebp - 0x128], 0
push ecx
push edi
call eax
test eax, eax
jne 0x54fc00
mov eax, 2
jmp 0x54fc0b
xor eax, eax
cmp dword [ebp - 0x128], eax
setne al
mov dword [esi + 0x28], eax
lea eax, [ebp - 0x11c]
push pe_nt_image_headers32
push 0
mov dword [esi + 0x40], 0xf
mov dword [esi + 0x3c], 0
mov byte [esi + 0x2c], 0
push eax
mov dword [ebp - 0x120], 0x11c
call sub.MSVCR120.dll_memset
add esp, 0xc
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
mov edx, dword [ebp - 0x11c]
mov ecx, dword [ebp - 0x118]
mov eax, dword [ebp - 0x114]
mov dword [esi + 4], edx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], eax
cmp edx, 5
jne 0x54fc7e
test ecx, ecx
jle 0x54fcb2
xor eax, eax
cmp ecx, 1
setne al
inc eax
mov dword [esi], eax
jmp 0x54fcb2
cmp edx, 6
jne 0x54fcaa
sub ecx, 0
je 0x54fca2
dec ecx
je 0x54fc9a
dec ecx
je 0x54fc92
mov dword [esi], edx
jmp 0x54fcb2
mov dword [esi], 5
jmp 0x54fcb2
mov dword [esi], 4
jmp 0x54fcb2
mov dword [esi], 3
jmp 0x54fcb2
jle 0x54fcb2
mov dword [esi], 7
movzx eax, word [ebp - 0xc]
mov dword [esi + 0x14], eax
movzx eax, word [ebp - 0xa]
mov dword [esi + 0x18], eax
xor eax, eax
mov dword [ebp - 0x148], eax
mov dword [ebp - 0x144], eax
mov dword [ebp - 0x140], eax
mov dword [ebp - 0x13c], eax
mov dword [ebp - 0x138], eax
mov dword [ebp - 0x134], eax
mov dword [ebp - 0x130], eax
mov dword [ebp - 0x12c], eax
lea eax, [ebp - 0x14c]
push eax
mov dword [ebp - 0x14c], 0
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x14c]
movzx eax, cx
test eax, eax
je 0x54fd32
cmp eax, 6
je 0x54fd29
cmp eax, 9
jne 0x54fd39
mov dword [esi + 0x1c], 1
jmp 0x54fd39
mov dword [esi + 0x1c], 2
jmp 0x54fd39
mov dword [esi + 0x1c], 0
mov eax, dword [ebp - 0x138]
mov dword [esi + 0x20], eax
mov eax, dword [ebp - 0x130]
mov dword [esi + 0x24], eax
mov eax, dword [ebp - 0x11c]
cmp eax, 6
jne 0x54fdda
push str.GetProductInfo
push str.kernel32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0
push dword [ebp - 0x118]
push dword [ebp - 0x11c]
call eax
mov ecx, dword [ebp - 0x124]
dec ecx
cmp ecx, 0x2f
ja case.0x54fda1.2
movzx ecx, byte [ecx + 0x54fe60]
jmp dword [ecx*4 + 0x54fe54]
pop edi
mov dword [esi + 0x10], 2
mov eax, esi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0055fedc
mov esp, ebp
pop ebp
ret
pop edi
mov dword [esi + 0x10], 1
mov eax, esi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0055fedc
mov esp, ebp
pop ebp
ret
cmp eax, 5
jne case.0x54fda1.2
mov eax, dword [ebp - 0x118]
cmp eax, 2
jne 0x54fe16
cmp byte [ebp - 6], 1
jne 0x54fdf6
cmp cx, 9
je case.0x54fda1.1
mov eax, dword [ebp - 8]
shr eax, 0xe
not eax
and eax, 2
mov dword [esi + 0x10], eax
mov eax, esi
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0055fedc
mov esp, ebp
pop ebp
ret
cmp eax, 1
jne case.0x54fda1.2
mov eax, dword [ebp - 8]
shr eax, 9
not eax
and eax, 1
mov dword [esi + 0x10], eax
mov eax, esi
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0055fedc
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov eax, esi
pop edi
mov dword [esi + 0x10], 0
xor ecx, ebp
pop esi
call fcn.0055fedc
mov esp, ebp
pop ebp
ret