Function at 0x423ba0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister
Get disk information
Get mac address on windows
Identify system language via api

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x40
mov eax, dword [0x51e080]
xor eax, ebp
mov dword [ebp - 4], eax
movaps xmm0, xmmword [0x513d50]
xor eax, eax
push esi
xor edx, edx
mov dword [ebp - 0x40], ecx
movups xmmword [ebp - 0x24], xmm0
mov dword [ebp - 0x14], 0x63337d76
xor esi, esi
mov dword [ebp - 0x10], 0x7f726172
mov dword [ebp - 0xc], 0x607f767f
mov byte [ebp - 8], 0x13
nop
lea ecx, [ebp - 0x24]
add ecx, eax
mov al, byte [ecx]
xor al, 0x13
mov byte [ecx], al
cmp al, 0x20
jne 0x423bf4
mov byte [ecx], 0
mov edx, esi
lea eax, [edx + 1]
mov edx, eax
mov esi, eax
cmp eax, 0x1d
jb 0x423be0
push ebx
push edi
push 0x9c4
call fcn.004d3886
mov esi, eax
push 0x1440
mov dword [ebp - 0x3c], esi
mov dword [esi + 0x9c0], 0x271
mov dword [ebp - 0x2c], 0x1440
call fcn.004d9a7e
mov edi, eax
push 0x48
mov dword [ebp - 0x34], edi
call fcn.004d9a7e
add esp, 0xc
mov ebx, eax
mov dword [ebp - 0x38], ebx
call dword [sym.imp.KERNEL32.dll_GetUserDefaultLangID]
push 0
push 0
push 0
and eax, 0x3ff
mov dword [ebp - 0x30], 4
mov dword [ebx], eax
add ebx, 4
push 0
lea eax, [ebp - 0x28]
mov dword [ebp - 0x28], 0
push eax
push 0
push 0
push 0x504e48
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationW]
test eax, eax
je 0x423c8c
mov eax, dword [ebp - 0x28]
mov dword [ebx], eax
add ebx, 4
mov dword [ebp - 0x30], 8
lea eax, [ebp - 0x2c]
push eax
push edi
call dword [sym.imp.IPHLPAPI.DLL_GetAdaptersInfo]
mov dword [ebp - 0x28], eax
test eax, eax
jne 0x423d57
test edi, edi
je 0x423d57
mov esi, dword [ebp - 0x30]
nop dword [eax]
lea eax, [edi + 0x10c]
mov dword [ebp - 0x2c], 0x84
push 0x84
push eax
call fcn.004e2b5e
lea eax, [ebp - 0x24]
push eax
lea eax, [edi + 0x10c]
push eax
call fcn.004d6590
add esp, 0x10
test eax, eax
jne 0x423d44
lea eax, [ebp - 0x1d]
push eax
lea eax, [edi + 0x10c]
push eax
call fcn.004d6590
add esp, 8
test eax, eax
jne 0x423d44
lea eax, [ebp - 0x15]
push eax
lea eax, [edi + 0x10c]
push eax
call fcn.004d6590
add esp, 8
test eax, eax
jne 0x423d44
lea eax, [ebp - 0x11]
push eax
lea eax, [edi + 0x10c]
push eax
call fcn.004d6590
add esp, 8
test eax, eax
jne 0x423d44
push dword [edi + 0x190]
lea eax, [edi + 0x194]
push eax
push ebx
call fcn.004d6950
mov eax, dword [edi + 0x190]
add esp, 0xc
add ebx, eax
add esi, eax
mov edi, dword [edi]
test edi, edi
jne 0x423cb0
mov edi, dword [ebp - 0x34]
mov dword [ebp - 0x30], esi
mov esi, dword [ebp - 0x3c]
xor eax, eax
xor ecx, ecx
nop dword [eax + eax]
xor byte [ebp + eax - 0x24], 0x13
lea eax, [ecx + 1]
mov ecx, eax
cmp eax, 0x1d
jb 0x423d60
push 0x1440
push 0
push edi
mov dword [ebp - 0x2c], eax
call fcn.004d6ed0
push edi
call fcn.004d9a63
mov ecx, dword [ebp - 0x30]
add esp, 0x10
test ecx, ecx
je 0x423dbe
mov eax, ecx
and eax, 3
je 0x423da9
dec eax
lea ebx, [ebx + 1]
mov dword [ebp - 0x28], eax
inc ecx
mov byte [ebx - 1], 0
mov eax, dword [ebp - 0x28]
test eax, eax
jne 0x423d96
mov edi, dword [ebp - 0x38]
dec eax
shr ecx, 2
push ecx
push edi
mov ecx, esi
mov dword [ebp - 0x28], eax
call fcn.004b42f0
jmp 0x423dc1
mov edi, dword [ebp - 0x38]
push edi
call fcn.004d9a63
mov edi, dword [ebp - 0x40]
add esp, 4
mov dword [ebp - 0x2c], 0
mov edi, dword [edi + 0x150]
nop word [eax + eax]
mov eax, dword [esi + 0x9c0]
cmp eax, 0x270
jl 0x423eaa
cmp eax, 0x271
jne 0x423e04
push 0x1571
mov ecx, esi
call fcn.004b4290
xor eax, eax
nop word [eax + eax]
mov edx, dword [esi + eax*4 + 4]
xor edx, dword [esi + eax*4]
and edx, 0x7fffffff
xor edx, dword [esi + eax*4]
mov ecx, edx
shr edx, 1
and ecx, 1
xor edx, dword [ecx*4 + 0x503e54]
xor edx, dword [esi + eax*4 + 0x634]
mov dword [esi + eax*4], edx
inc eax
cmp eax, 0xe3
jl 0x423e10
mov edx, dword [esi + eax*4 + 4]
xor edx, dword [esi + eax*4]
and edx, 0x7fffffff
xor edx, dword [esi + eax*4]
mov ecx, edx
shr edx, 1
and ecx, 1
xor edx, dword [ecx*4 + 0x503e54]
xor edx, dword [esi + eax*4 - 0x38c]
mov dword [esi + eax*4], edx
inc eax
cmp eax, 0x26f
jl 0x423e40
mov eax, dword [esi + 0x9bc]
mov ecx, dword [esi]
xor ecx, eax
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
mov eax, dword [eax*4 + 0x503e54]
xor eax, dword [esi + 0x630]
xor eax, ecx
mov dword [esi + 0x9bc], eax
xor eax, eax
mov dword [esi + 0x9c0], 0
mov ecx, dword [esi + eax*4]
inc eax
mov dword [esi + 0x9c0], eax
mov eax, ecx
shr eax, 0xb
xor ecx, eax
mov eax, ecx
and eax, 0xff3a58ad
shl eax, 7
xor ecx, eax
mov eax, ecx
and eax, 0xffffdf8c
shl eax, 0xf
xor ecx, eax
mov eax, ecx
shr eax, 0x12
xor eax, ecx
mov dword [edi], eax
add edi, 4
mov eax, dword [ebp - 0x2c]
inc eax
mov dword [ebp - 0x2c], eax
cmp eax, 5
jb 0x423de0
pop edi
pop ebx
push 0x9c4
push esi
call fcn.004d38b6
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
xor eax, eax
pop esi
call fcn.004d3878
mov esp, ebp
pop ebp
ret