Function at 0x4d2400
Capabilities:
Check os version
Contain obfuscated stackstrings
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x6f8
mov eax, dword [0x5552b0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
mov dword [ebp - 0x6e8], eax
mov esi, 0x200
call fcn.004bc0d0
test eax, eax
je 0x4d2431
mov esi, 0x100
lea ecx, [ebp - 0x6e4]
push ecx
or esi, 0x20019
push esi
xor ebx, ebx
push ebx
push str.SoftwareMicrosoftWindows_NTCurrentVersion_
push reloc.WS2_32.dll_bind
mov dword [ebp - 0x6e4], ebx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
je 0x4d246e
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e4746
mov esp, ebp
pop ebp
ret
push edi
push 0x80
lea edx, [ebp - 0x1c0]
push ebx
push edx
call fcn.004e8ba0
mov edx, dword [ebp - 0x6e4]
mov esi, dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
add esp, 0xc
lea eax, [ebp - 0x6e0]
push eax
lea ecx, [ebp - 0x1c0]
push ecx
push ebx
push ebx
push str.CSDVersion
push edx
mov dword [ebp - 0x6e0], 0x80
call esi
xor eax, eax
lea ecx, [ebp - 0x6e0]
push ecx
lea edx, [ebp - 0xa0]
push edx
push ebx
push ebx
mov word [ebp - 0xa0], ax
mov dword [ebp - 0x9e], eax
mov dword [ebp - 0x9a], eax
mov dword [ebp - 0x96], eax
mov dword [ebp - 0x92], eax
mov dword [ebp - 0x8e], eax
mov dword [ebp - 0x8a], eax
mov dword [ebp - 0x86], eax
mov word [ebp - 0x82], ax
mov eax, dword [ebp - 0x6e4]
push str.CurrentVersion
mov edi, 0x20
push eax
mov dword [ebp - 0x6e0], edi
call esi
xor eax, eax
lea edx, [ebp - 0x6e0]
push edx
mov dword [ebp - 0xbe], eax
mov dword [ebp - 0xba], eax
mov dword [ebp - 0xb6], eax
mov dword [ebp - 0xb2], eax
mov dword [ebp - 0xae], eax
mov dword [ebp - 0xaa], eax
mov dword [ebp - 0xa6], eax
mov word [ebp - 0xa2], ax
lea eax, [ebp - 0xc0]
push eax
push ebx
xor ecx, ecx
push ebx
mov word [ebp - 0xc0], cx
mov ecx, dword [ebp - 0x6e4]
push str.ReleaseId
push ecx
mov dword [ebp - 0x6e0], edi
call esi
xor edx, edx
xor eax, eax
mov dword [ebp - 0x5e], eax
mov dword [ebp - 0x5a], eax
mov dword [ebp - 0x56], eax
mov dword [ebp - 0x52], eax
mov dword [ebp - 0x4e], eax
mov dword [ebp - 0x4a], eax
mov dword [ebp - 0x46], eax
mov word [ebp - 0x42], ax
lea eax, [ebp - 0x6e0]
push eax
lea ecx, [ebp - 0x60]
push ecx
push ebx
mov word [ebp - 0x60], dx
mov dword [ebp - 0x6e0], edi
push ebx
mov edx, dword [ebp - 0x6e4]
push str.CurrentBuildNumber
push edx
call esi
mov edx, dword [ebp - 0x6e4]
lea eax, [ebp - 0x6e0]
push eax
lea ecx, [ebp - 0x6f0]
push ecx
push ebx
push ebx
push 0x54b568
push edx
mov dword [ebp - 0x6f0], ebx
mov dword [ebp - 0x6e0], 4
call esi
mov edx, dword [ebp - 0x6f0]
cmp edx, ebx
jbe 0x4d261c
lea eax, [ebp - 0x60]
lea edi, [eax + 2]
mov cx, word [eax]
add eax, 2
cmp cx, bx
jne 0x4d25f5
sub eax, edi
mov edi, dword [sym.imp.USER32.dll_wsprintfW]
push edx
sar eax, 1
lea eax, [ebp + eax*2 - 0x60]
push 0x54b570
push eax
call edi
add esp, 0xc
jmp 0x4d2622
mov edi, dword [sym.imp.USER32.dll_wsprintfW]
push 0xfe
lea edx, [ebp - 0x3be]
xor ecx, ecx
push ebx
push edx
mov word [ebp - 0x3c0], cx
call fcn.004e8ba0
add esp, 0xc
call fcn.004bbf40
test eax, eax
lea eax, [ebp - 0x60]
lea edx, [ebp - 0x3c0]
push eax
lea ecx, [ebp - 0xc0]
jne 0x4d265f
lea ecx, [ebp - 0xa0]
push ecx
push str._s___s_
push edx
call edi
add esp, 0x10
push 0x1fe
lea ecx, [ebp - 0x5be]
xor eax, eax
push ebx
push ecx
mov dword [ebp - 0x6ec], 1
mov dword [ebp - 0x6e0], 0x200
mov word [ebp - 0x5c0], ax
call fcn.004e8ba0
add esp, 0xc
lea edx, [ebp - 0x6e0]
push edx
mov edx, dword [ebp - 0x6e4]
lea eax, [ebp - 0x5c0]
push eax
lea ecx, [ebp - 0x6ec]
push ecx
push ebx
push 0x54d5a4
push edx
call esi
push 0xff
lea eax, [ebp - 0x2bf]
push ebx
push eax
mov dword [ebp - 0x6ec], 3
mov dword [ebp - 0x6f4], 0x100
mov byte [ebp - 0x2c0], bl
call fcn.004e8ba0
add esp, 0xc
lea ecx, [ebp - 0x6f4]
push ecx
mov ecx, dword [ebp - 0x6e4]
lea edx, [ebp - 0x2c0]
push edx
lea eax, [ebp - 0x6ec]
push eax
push ebx
push 0x54d5bc
push ecx
call esi
test eax, eax
je 0x4d2738
mov edx, dword [ebp - 0x6e4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e4746
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0x6e4]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [ebp - 0x28c]
mov edx, dword [ebp - 0x288]
xor eax, eax
mov dword [ebp - 0x3f], eax
mov byte [ebp - 0x40], bl
mov dword [ebp - 0x3b], eax
mov dword [ebp - 0x37], eax
mov dword [ebp - 0x40], ecx
mov ecx, dword [ebp - 0x280]
mov dword [ebp - 0x33], eax
mov dword [ebp - 0x2f], eax
mov dword [ebp - 0x2b], eax
mov dword [ebp - 0x27], eax
mov word [ebp - 0x23], ax
mov byte [ebp - 0x21], al
mov eax, dword [ebp - 0x284]
mov dword [ebp - 0x34], ecx
mov dword [ebp - 0x3c], edx
mov dword [ebp - 0x38], eax
xor eax, eax
mov ecx, 0x1d
lea edx, [ebp - 0x64]
sub ecx, edx
mov dword [ebp - 0x6e4], ebx
mov byte [ebp - 0x80], bl
mov dword [ebp - 0x7f], eax
mov dword [ebp - 0x7b], eax
mov dword [ebp - 0x77], eax
mov dword [ebp - 0x73], eax
mov dword [ebp - 0x6f], eax
mov dword [ebp - 0x6b], eax
mov dword [ebp - 0x67], eax
mov byte [ebp - 0x63], al
mov dword [ebp - 0x20], 0x46444342
mov dword [ebp - 0x1c], 0x4b4a4847
mov dword [ebp - 0x18], 0x5251504d
mov dword [ebp - 0x14], 0x58575654
mov dword [ebp - 0x10], 0x34333259
mov dword [ebp - 0xc], 0x39383736
mov byte [ebp - 8], al
lea ebx, [eax + 0x1c]
mov dword [ebp - 0x6f8], ecx
lea ecx, [ecx]
lea edi, [ebp + ebx - 0x80]
lea eax, [ecx + edi]
cdq
mov esi, 6
idiv esi
test edx, edx
jne 0x4d2808
mov byte [edi], 0x2d
jmp 0x4d2849
xor ecx, ecx
mov esi, 0xe
nop
movzx eax, byte [ebp + esi - 0x40]
shl ecx, 8
or ecx, eax
mov eax, 0x2aaaaaab
imul ecx
sar edx, 2
mov eax, edx
shr eax, 0x1f
add eax, edx
lea edx, [eax + eax*2]
add edx, edx
add edx, edx
add edx, edx
mov byte [ebp + esi - 0x40], al
sub ecx, edx
dec esi
mov al, byte [ebp + ecx - 0x20]
jns 0x4d2810
mov ecx, dword [ebp - 0x6f8]
mov byte [edi], al
dec ebx
jns 0x4d27f0
xor eax, eax
push 0x7e
push eax
lea ecx, [ebp - 0x13e]
push ecx
mov word [ebp - 0x140], ax
call fcn.004e8ba0
mov esi, dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
add esp, 0xc
push 0
push 0
push 0xffffffffffffffff
lea edx, [ebp - 0x80]
push edx
push 0
push 0
call esi
push eax
lea eax, [ebp - 0x140]
push eax
push 0xffffffffffffffff
lea ecx, [ebp - 0x80]
push ecx
push 0
push 0
call esi
call fcn.004bc0d0
push 0x11c
push 0
test eax, eax
je 0x4d2932
lea edx, [ebp - 0x6dc]
push edx
call fcn.004e8ba0
add esp, 0xc
lea eax, [ebp - 0x6dc]
push eax
mov dword [ebp - 0x6dc], 0x11c
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x6d8], 0xa
jne 0x4d290c
cmp dword [ebp - 0x6d4], 0
jne 0x4d290c
cmp byte [ebp - 0x5c2], 1
jne 0x4d290c
lea ecx, [ebp - 0x140]
push ecx
mov ecx, dword [ebp - 0x6e8]
lea edx, [ebp - 0x3c0]
push edx
lea eax, [ebp - 0x5c0]
push eax
push str._s_x64_t_s_t_s_t_t
push ecx
jmp 0x4d29b7
lea edx, [ebp - 0x140]
push edx
mov edx, dword [ebp - 0x6e8]
lea eax, [ebp - 0x1c0]
push eax
lea ecx, [ebp - 0x5c0]
push ecx
push str._s_x64_t_s_t_s_t_t
push edx
jmp 0x4d29b7
lea eax, [ebp - 0x6dc]
push eax
call fcn.004e8ba0
add esp, 0xc
lea ecx, [ebp - 0x6dc]
push ecx
mov dword [ebp - 0x6dc], 0x11c
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x6d8], 0xa
jne 0x4d2996
cmp dword [ebp - 0x6d4], 0
jne 0x4d2996
cmp byte [ebp - 0x5c2], 1
jne 0x4d2996
lea edx, [ebp - 0x140]
push edx
mov edx, dword [ebp - 0x6e8]
lea eax, [ebp - 0x3c0]
push eax
lea ecx, [ebp - 0x5c0]
push ecx
push str._s_t_s_t_s_t_t
push edx
jmp 0x4d29b7
lea eax, [ebp - 0x140]
push eax
mov eax, dword [ebp - 0x6e8]
lea ecx, [ebp - 0x1c0]
push ecx
lea edx, [ebp - 0x5c0]
push edx
push str._s_t_s_t_s_t_t
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
mov ecx, dword [ebp - 4]
add esp, 0x14
pop edi
pop esi
xor ecx, ebp
mov eax, 1
pop ebx
call fcn.004e4746
mov esp, ebp
pop ebp
ret