Function at 0x437f40
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff0
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
sub esp, 0x160
mov eax, dword [0x6069b0]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x60fbe4], 0
jne 0x4382f9
push 0x11c
lea eax, [ebp - 0x128]
push 0
push eax
call fcn.00555650
add esp, 0xc
mov dword [ebp - 0x128], 0x11c
push str.RtlGetVersion
push str.NtDll.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x437fdd
lea ecx, [ebp - 0x128]
push ecx
call eax
test eax, eax
je 0x437fdd
lea eax, [ebp - 0x128]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x437fdd
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00551ee1
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push 0
push 0x5e1c54
mov ecx, 0x60e0f4
mov dword [0x60db28], 0
call fcn.00407be0
mov eax, dword [ebp - 0x118]
sub eax, 0
je 0x43825a
sub eax, 1
je 0x43820a
sub eax, 1
je 0x43801f
push 0x5e1c54
jmp 0x438269
mov eax, dword [ebp - 0x124]
cmp eax, 4
ja 0x43803e
mov dword [0x60db28], 0x40
push str.Windows_NT
jmp 0x438269
cmp eax, 5
jne 0x4380b6
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x438061
mov dword [0x60db28], 0x80
push str.Windows_2000
jmp 0x438269
cmp eax, 1
jne 0x43807a
mov dword [0x60db28], 0x100
push str.Windows_XP
jmp 0x438269
cmp eax, 2
jne 0x438273
cmp byte [ebp - 0xe], 1
mov ecx, 0x60e0f4
jne 0x4380a2
mov dword [0x60db28], 0x100
push str.Windows_XP
jmp 0x43826e
mov dword [0x60db28], 0x200
push str.Windows_2003
jmp 0x43826e
cmp eax, 6
jne 0x4381a7
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x4380fc
cmp byte [ebp - 0xe], 1
mov ecx, 0x60e0f4
jne 0x4380e8
mov dword [0x60db28], 0x400
push str.Windows_Vista
jmp 0x43826e
mov dword [0x60db28], 0x8000
push str.Windows_Server_2008
jmp 0x43826e
cmp eax, 1
jne 0x438133
mov ecx, 0x60e0f4
cmp byte [ebp - 0xe], al
je 0x43811f
mov dword [0x60db28], 0x8000
push str.Windows_Server_2008_R2
jmp 0x43826e
mov dword [0x60db28], 0x800
push str.Windows_7
jmp 0x43826e
cmp eax, 2
jne 0x43816b
cmp byte [ebp - 0xe], 1
mov ecx, 0x60e0f4
jne 0x438157
mov dword [0x60db28], 0x1000
push str.Windows_8
jmp 0x43826e
mov dword [0x60db28], 0x10000
push str.Windows_Server_2012
jmp 0x43826e
cmp eax, 3
jne 0x438273
cmp byte [ebp - 0xe], 1
mov ecx, 0x60e0f4
jne 0x438193
mov dword [0x60db28], 0x2000
push str.Windows_8.1
jmp 0x43826e
mov dword [0x60db28], 0x10000
push str.Windows_Server_2012_R2
jmp 0x43826e
cmp eax, 0xa
jne 0x438273
cmp dword [ebp - 0x120], 0
jne 0x438273
cmp byte [ebp - 0xe], 1
jne 0x4381f9
cmp dword [ebp - 0x11c], 0x55f0
mov ecx, 0x60e0f4
jb 0x4381e8
mov dword [0x60db28], 0x40000
push str.Windows_11
jmp 0x43826e
mov dword [0x60db28], 0x4000
push str.Windows_10
jmp 0x43826e
mov dword [0x60db28], 0x20000
push str.Windows_Server_2016
jmp 0x438269
cmp dword [ebp - 0x124], 4
jne 0x438273
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x43822e
mov dword [0x60db28], 8
push str.Windows_9x
jmp 0x438269
cmp eax, 0xa
jne 0x438244
mov dword [0x60db28], 8
push str.Windows_9x
jmp 0x438269
cmp eax, 0x5a
jne 0x438273
mov dword [0x60db28], 0x20
push str.Windows_ME
jmp 0x438269
mov dword [0x60db28], 1
push str.Windows_3.2
mov ecx, 0x60e0f4
call fcn.00407c90
xorps xmm0, xmm0
mov dword [ebp - 0x140], 0
push 0x5ebb84
push str.kernel32.dll
movaps xmmword [ebp - 0x160], xmm0
movaps xmmword [ebp - 0x150], xmm0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4382b4
lea ecx, [ebp - 0x160]
push ecx
call eax
jmp 0x4382c1
lea eax, [ebp - 0x160]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ax, word [ebp - 0x160]
cmp ax, 9
je 0x4382e5
cmp ax, 6
je 0x4382e5
test ax, ax
jne 0x4382ef
mov dword [0x60db24], 0
jmp 0x4382ef
mov dword [0x60db24], 1
mov dword [0x60fbe4], 1
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
call fcn.00551ee1
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret