Function at 0x403e17
Capabilities:
Authenticate hmac
Check os version
Encode data using base64
Encrypt data using speck
Get number of processors
Parse credit card information
Resolve function by parsing pe exports

Disassembly:
mov ax, word [ebp + 0xc]
mov dword [ebp - 0x64], esp
mov dword [ebp - 0x78], eax
mov ebx, ecx
add esp, 0xffffff5c
mov dword [ebp - 0x50], esi
cmp dword [ebp - 0x38], 0x400002
jne 0x403aac
mov eax, ebx
test byte [eax + 4], 0x80
je 0x40da7b
xor edi, edi
inc edi
add edx, dword [ebp - 0x28]
mov dword [ebp - 0x7c], 0x8b8
push dword [ebp - 0x44]
mov word [ebp - 0x54], 0xd99
cmp dword [ebp - 0x48], 0
je 0x403ad0
movzx edx, byte [ecx - 0x1a]
sub esi, edx
je 0x403a7c
push dword [ebp - 0x3c]
sub edx, edi
xor ebx, dword [ebp - 0x68]
push dword [ebp - 0x24]
mov byte [ebp - 0x60], 0x5f
add dword [ebp - 0x48], 0
je 0x403af7
mov dword [eax], esi
call 0x403e17
mov eax, esi
push edi
cmp dword [ebp + 8], ebx
ja 0x403ad3
mov dword [ebp - 0x80], 0x1bc7c
push dword [ebp - 0x80]
lea esi, [edi + ecx*8 + 0x72]
cmp dword [ebp - 0x38], 0xffffff89
jne 0x403b18
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
call fcn.00411ad9
mov edx, dword [ebp - 0x64]
lea edx, [edx - 0x98]
push edx
push dword [ebp - 0x80]
call fcn.00403812
mov edi, dword [ebp - 0x64]
lea edi, [edi - 4]
push edi
push dword [ebp - 0x40]
call fcn.00403812
test dword [ebp - 0x48], 0
je 0x403b4b
push eax
lea ecx, [ebp - 0x44]
mov byte [ebp - 0x4c], 0xb
lea esi, [edi + 0x15fe]
push ecx
cmp dword [ebp - 0x48], 0x400002
jne 0x403b6a
lea ecx, [ebp - 0x60]
push ecx
push edx
push dword [ebp - 0x40]
mov dword [ebp - 0x60], esi
mov dword [ebp - 0x54], edx
call fcn.00403812
mov dword [ebp - 0x84], edi
cmp dword [ebp - 0x38], 0x57
jne 0x403b8a
cdq
sub eax, edx
mov edx, dword [ebp - 0x44]
lea ecx, [edi + 0x1ba3]
mov dword [ebp - 0x78], 0x8b8
cmp byte [edx + 0x1e], 0
jne 0x403f4e
add edi, eax
mov ebx, dword [ebp - 0x64]
push dword [ebx - 4]
and ebx, dword [ebp - 0x78]
mov eax, dword [ebp - 0x64]
cmp dword [ebp - 0x38], 1
je 0x403bcc
jne 0x40a9c0
lea eax, [ebx + 0x1e]
mov ecx, 0x419875
push dword [eax - 0x98]
lea ebx, [ecx + ebx*8 + 0x13be]
call fcn.004068bb
mov ecx, edx
lea eax, [ebp - 0x40]
push eax
mov eax, dword [ebp - 0x44]
push dword [eax + 0x24]
call fcn.00403812
or edx, ecx
add edx, esi
lea eax, [ebp - 0x40]
push eax
mov eax, dword [ebp - 0x44]
push dword [eax + 0x34]
call fcn.00403853
and eax, dword [ebp - 0x4c]
mov dword [ebp - 0x34], edx
push 4
add eax, edi
cmp dword [ebp - 0x38], 0xffffff8f
jne 0x403c2b
mov ecx, edx
xor edx, edx
push 0x4198d3
push edx
push edx
mov word [ebp + eax*2 - 0x20e], cx
push 0x3000
cmp dword [ebp - 0x38], 1
je 0x403c3b
je 0x403ca6
push 0x2800
mov word [ebp - 0x78], 0xe7d
cmp dword [ebp - 0x38], 0xffffffad
jne 0x403c5e
xor esi, esi
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00413e9b
push 0
mov edx, dword [ebp - 0x40]
mov dword [ebp - 0x2c], esi
mov dword [ebp - 0x84], edi
mov edx, dword [ebp - 0x40]
call dword [edx]
mov dword [ebp - 0x80], eax
mov dword [ebp - 0x40], edx
add edx, edi
mov eax, dword [ebp - 0x64]
lea eax, [eax - 0xa4]
push eax
push dword [ebp - 0x80]
call fcn.00403812
mov ecx, dword [ebp - 0x44]
mov al, byte [ebp - 0x40]
mov al, byte [ecx + 0x99]
mov byte [ebp - 0x40], al
sub edi, dword [ebp - 0x28]
mov byte [ebp - 0x60], 0x5c
mov esi, 0xff
and ebx, esi
mov ebx, 0xc20b96de
mov ebx, edx
and dword [ebp - 0x40], esi
mov eax, dword [ebp - 0x44]
mov cl, byte [ebp - 0x5c]
mov cl, byte [eax + 0x98]
mov byte [ebp - 0x5c], cl
add eax, 0xf357
mov edi, 0xff
and dword [ebp - 0x5c], edi
sub eax, esi
push dword [ebp - 0x5c]
cmp dword [ebp - 0x38], 1
je 0x403cf2
int3
add edi, dword [ebp - 0x28]
mov dword [ebp - 0x78], esi
push dword [ebp - 0x40]
mov eax, dword [ebp - 0x44]
push dword [eax + 0x94]
sub edx, dword [ebp - 0x7c]
xor dword [ebp - 0x6c], 0x1a5
sub ecx, dword [ebp - 0x2c]
mov eax, dword [ebp - 0x80]
cmp dword [ebp - 0x48], 0x400002
jne 0x403d2d
lea eax, [ebp - 0x10]
push edi
push eax
call fcn.004050e9
add esp, 8
mov edi, dword [ebp - 0x44]
lea eax, [edi + 0x688]
mov dword [ebp - 0x80], eax
xor eax, dword [ebp - 0x78]
xor ecx, edi
push dword [ebp - 0x80]
mov ecx, dword [ebp - 0x64]
lea ebx, [ecx + 0x6cb]
add dword [ebp - 0x28], edi
push dword [ecx - 0xa4]
and dword [ebp - 0x30], 0xffffffac
push 0
call fcn.00413bdc
add dword [ebp - 0x50], 0x94a
mov ecx, dword [ebp - 0x40]
add edi, dword [ebp - 0x28]
mov ebx, dword [ebp - 0x44]
add dword [ebp - 0x30], 0x47b
lea ecx, [ebx + 0x688]
mov dword [ebp - 0x40], ecx
and dword [ebp - 0x30], edi
xor edi, dword [ebp - 0x2c]
sub eax, ebx
mov eax, 0x4e2c4188
mov eax, ecx
mov edx, dword [ebp - 0x5c]
add ecx, dword [ebp - 0x4c]
mov edi, dword [ebp - 0x44]
and ecx, dword [ebp - 0x50]
xor ebx, dword [ebp - 0x34]
lea edx, [edi + 0xfbc]
mov dword [ebp - 0x5c], edx
add edx, dword [ebp - 0x54]
lea eax, [ebp - 0x5c]
push eax
and eax, dword [ebp - 0x68]
push dword [ebp - 0x40]
call fcn.00403911
and dword [ebp - 0x54], 0xffffffbc
cmp dword [ebp - 0x38], 1
je 0x403dd4
add ecx, dword [ebp - 0x10]
and dword [ebp - 8], 0
mov edi, ebx
add ecx, ecx
mov esi, edx
push dword [ebp - 0x5c]
sub ebx, dword [ebp - 0x60]
mov edi, dword [ebp - 0x64]
push dword [edi - 0xa4]
mov edi, dword [ebp - 0x80]
add dword [ebp - 0x48], 0
je 0x403df6
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
mov esi, dword [ebp - 0x44]
lea edi, [esi + 0x688]
mov dword [ebp - 0x80], edi
add esi, 0xb754
or ebx, dword [ebp - 0x2c]
push dword [ebp - 0x80]
cmp dword [ebp - 0x38], 1
je 0x403e19
neg edx
call fcn.004171f4
cmp dword [ebp - 0x38], 0x400002
jne 0x403e38
jle 0x403e71
and eax, 0xffff
or eax, 0x80070000
mov edi, eax
lea edi, [ebp - 0x40]
push edi
mov edi, dword [ebp - 0x44]
push dword [edi + 0x24]
call fcn.00403812
cmp dword [ebp - 0x38], 1
je 0x403e56
test byte [esi + 4], 1
je 0x403def
lea ecx, [ebp - 0x40]
push ecx
mov ecx, dword [ebp - 0x44]
push dword [ecx + 0x38]
call fcn.00403853
cmp dword [ebp - 0x38], 0x400002
jne 0x403e7c
or eax, 4
or eax, 4
push 0
push eax
mov ecx, edi
push 0x8000
or dword [ebp - 0x84], 0xa64
push 0
mov edi, dword [ebp - 0x64]
and eax, dword [ebp - 0x30]
push dword [edi - 0xa4]
sub ecx, ebx
sub edi, edx
mov edx, dword [ebp - 0x40]
mov ecx, dword [ebp - 0x40]
call dword [ecx]
mov dword [ebp - 0x80], eax
mov dword [ebp - 0x40], edx
and esi, edx
mov esi, edi
sub ecx, esi
xor ebx, ecx
mov ecx, dword [ebp - 0x40]
mov esi, dword [ebp - 0x44]
lea ecx, [esi + 0x688]
mov dword [ebp - 0x40], ecx
and esi, dword [ebp - 0x78]
add edi, dword [ebp - 0x7c]
or eax, dword [ebp - 0x50]
xor dword [ebp - 0x60], edx
mov ecx, dword [ebp - 0x5c]
or edx, edi
xor eax, dword [ebp - 0x68]
mov edx, dword [ebp - 0x44]
lea ebx, [edi + 0x1c]
lea ecx, [edx + 0xfbc]
mov dword [ebp - 0x5c], ecx
and edx, edi
lea edx, [ebp - 0x5c]
mov dword [ebp - 0x28], edi
push edx
or edx, dword [ebp - 0x58]
push dword [ebp - 0x40]
call fcn.00403911
lea ecx, [esi + eax*2 - 0x33]
mov ecx, dword [ebp - 0x44]
cmp dword [ebp - 0x38], 0x26
jne 0x403f1b
mov eax, 0x4197ee
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
push dword [ecx + 0x28]
add dword [ebp - 0x58], 0x8c5
xor ebx, dword [ebp - 0x30]
push dword [ebp - 0x5c]
or word [ebp - 0x78], 0x3be
push dword [ebp - 0x40]
call fcn.00417ad3
add esi, dword [ebp - 0x6c]
mov ecx, dword [ebp - 0x44]
lea eax, [edi]
mov byte [ecx + 0x1e], 1
sub esi, dword [ebp - 0x58]
or esi, dword [ebp - 0x30]
mov eax, dword fs:[0x30]
mov dword [ebp - 0x80], eax
xor dword [ebp - 0x6c], edx
cmp dword [ebp - 0x38], 0x400002
jne 0x403f6c
je 0x403eed
mov ebx, dword [ebx]
test ebx, ebx
lea edi, [ebp - 0x80]
push edi
mov edi, dword [ebp - 0x80]
push dword [edi + 0xc]
call fcn.00403812
lea ebx, [ebp - 0x40]
push ebx
mov ebx, dword [ebp - 0x80]
push dword [ebx + 0x1c]
call fcn.00403812
test dword [ebp - 0x48], 0
je 0x403f9c