Function at 0x14003addc
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x27]
sub rsp, 0xc0
mov rax, qword [0x140068fa8]
xor rax, rsp
mov qword [rbp + 0x17], rax
mov r15, rdx
mov r13, rcx
mov qword [rbp - 0x29], rcx
mov qword [rbp - 0x51], rcx
lea rax, [rbp + 0x5f]
movabs rcx, 0x7a5db90d33787107
mov qword [rbp - 0x19], rcx
mov qword [rbp - 0x11], rax
mov r12, qword [rax]
xor r12, rcx
mov qword [rbp - 0x51], r12
mov qword [rbp - 0x21], r12
and qword [rax], 0
mov ecx, dword [0x140069f20]
mov rax, qword gs:[0x58]
mov rsi, qword [rax + rcx*8]
mov edi, 0x1398
mov eax, dword [rdi + rsi]
mov ecx, 0x10
mov r14d, 1
test r14b, al
jne 0x14003aeb1
or eax, r14d
mov dword [rdi + rsi], eax
mov ebx, ecx
add rbx, rsi
call sub.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_
mov ecx, eax
or dword [rbx + 0x1384], 0xffffffff
mov dword [rbx + 4], eax
mov edx, r14d
lea r8, [rbx + 8]
mov r9d, 0x270
mov eax, ecx
shr eax, 0x1e
xor eax, ecx
imul ecx, eax, 0x6c078965
add ecx, edx
mov dword [r8], ecx
add rdx, r14
lea r8, [r8 + 4]
cmp rdx, r9
jb 0x14003ae90
mov dword [rbx], r9d
mov eax, dword [rdi + rsi]
mov r14d, 0x13a0
test al, 2
jne 0x14003aed2
or eax, 2
mov dword [rdi + rsi], eax
and qword [rsi + r14], 0
mov qword [rsi + r14 + 8], 0x46
xorps xmm0, xmm0
movups xmmword [rbp - 9], xmm0
xor ebx, ebx
mov qword [rbp + 7], rbx
lea edi, [rbx + 0xf]
mov qword [rbp + 0xf], rdi
mov byte [rbp - 9], bl
cmp r15, rdi
je 0x14003af12
jbe 0x14003af09
xor r8d, r8d
mov rdx, r15
lea rcx, [rbp - 9]
call fcn.14003354c
mov qword [rbp + 7], rbx
mov rdi, qword [rbp + 0xf]
jmp 0x14003af12
test r15, r15
je 0x14003afcd
mov r13d, 0x10
add r13, rsi
dec r15
mov rax, qword [str.0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_____]
mov qword [rbp - 0x31], rax
mov rdx, qword [rsi + r14 + 8]
mov rax, qword [rsi + r14]
mov qword [rbp - 0x39], rax
mov qword [rbp - 0x41], r13
sub rdx, rax
cmp rdx, 0xffffffffffffffff
jne 0x14003af61
mov rcx, r13
call fcn.140034d7c
mov r12d, eax
shl r12, 0x20
mov rcx, r13
call fcn.140034d7c
mov eax, eax
or r12, rax
jmp 0x14003af70
inc rdx
lea rcx, [rbp - 0x41]
call fcn.140034c68
mov r12, rax
mov rax, qword [rbp - 0x39]
add rax, r12
mov r9, qword [rbp - 0x31]
mov r9b, byte [r9 + rax]
cmp rbx, rdi
jae 0x14003afa4
lea rax, [rbx + 1]
mov qword [rbp + 7], rax
lea rax, [rbp - 9]
cmp rdi, 0x10
cmovae rax, qword [rbp - 9]
mov byte [rax + rbx], r9b
mov byte [rax + rbx + 1], 0
jmp 0x14003afb4
xor r8d, r8d
lea edx, [r8 + 1]
lea rcx, [rbp - 9]
call fcn.14003340c
mov rdi, qword [rbp + 0xf]
mov rbx, qword [rbp + 7]
test r15, r15
jne 0x14003af1b
mov r12, qword [rbp - 0x51]
mov r13, qword [rbp - 0x29]
movabs rax, 0x7fffffffffffffff
sub rax, rbx
cmp rax, 4
jb 0x14003b098
lea r9, [rbp - 9]
cmp rdi, 0x10
cmovae r9, qword [rbp - 9]
mov qword [rsp + 0x30], 4
lea rax, str..exe
mov qword [rsp + 0x28], rax
mov qword [rsp + 0x20], rbx
lea r8, [rbp - 9]
mov dl, byte [rbp - 0x59]
mov rcx, r13
call fcn.140033b44
nop
mov rdx, qword [rbp + 0xf]
cmp rdx, 0x10
jb 0x14003b05a
inc rdx
mov rcx, qword [rbp - 9]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14003b054
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003b054
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.14003cfb0
nop
movabs rax, 0x7a5db90d33787107
xor r12, rax
lea rax, [rbp + 0x5f]
mov qword [rax], r12
mov rax, r13
mov rcx, qword [rbp + 0x17]
xor rcx, rsp
call fcn.14003d380
mov rbx, qword [rsp + 0x110]
add rsp, 0xc0
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret
call fcn.14003a260
nop
int3