Function at 0x140038a40
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push rbx
mov eax, 0x13c0
call fcn.140041130
sub rsp, rax
mov rax, qword [0x140047040]
xor rax, rsp
mov qword [rsp + 0x13b0], rax
mov rbx, rdx
mov edx, 4
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
mov eax, dword [rdx + rcx]
cmp dword [0x140047dd4], eax
jle 0x14003903f
lea rcx, [0x140047dd4]
call fcn.140040288
cmp dword [0x140047dd4], 0xffffffff
jne 0x14003903f
xorps xmm0, xmm0
xor eax, eax
movups xmmword [0x140047c69], xmm0
mov qword [0x140047c79], rax
mov dword [0x140047c81], eax
mov word [0x140047c85], ax
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rsp + 0x13a4], 0xffffffff
mov dword [rsp + 0x24], eax
mov ecx, 1
mov r9d, 0x270
nop
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rsp + rcx*4 + 0x24], edx
inc rcx
cmp rcx, r9
jb 0x140038ae0
mov dword [rsp + 0x20], r9d
lea r8, [rsp + 0x28]
nop word [rax + rax]
mov edx, dword [r8 - 4]
xor edx, dword [r8]
btr edx, 0x1f
xor edx, dword [r8 - 4]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [r8 + 0x630]
shr edx, 1
xor ecx, edx
mov dword [r8 + 0x9bc], ecx
lea r8, [r8 + 4]
sub r9, 1
jne 0x140038b10
mov eax, dword [rsp + 0x20]
mov edx, dword [rsp + rax*4 + 0x24]
mov eax, edx
shr eax, 0xb
and eax, dword [rsp + 0x13a4]
xor edx, eax
mov eax, edx
and eax, 0xff3a58ad
shl eax, 7
xor edx, eax
mov eax, edx
and eax, 0xffffdf8c
shl eax, 0xf
xor edx, eax
mov ecx, edx
shr ecx, 0x12
xor ecx, edx
lea eax, [rcx - 0x80000000]
mov edx, 0x80000000
lea r8d, [rcx + rdx]
cmp ecx, edx
cmovae r8d, eax
mov dword [0x140047c60], r8d
mov edx, 5
mov dword [0x140047c64], edx
movzx ecx, byte [0x140047c68]
test cl, cl
jne 0x140038bc2
add r8d, edx
mov dword [0x140047c60], r8d
mov cl, 1
mov byte [0x140047c68], cl
mov r10d, 2
xor r9d, r9d
lea r11, [0x140000000]
test cl, cl
je 0x140038be7
sub r8d, edx
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 - 2]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f0]
mov byte [r9 + r11 + 0x47c69], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038c1e
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 - 1]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f1]
mov byte [r9 + r11 + 0x47c6a], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038c66
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
mov eax, r10d
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f2]
mov byte [r9 + r11 + 0x47c6b], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038cad
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 1]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f3]
mov byte [r9 + r11 + 0x47c6c], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038cf5
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 2]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f4]
mov byte [r9 + r11 + 0x47c6d], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038d3d
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 3]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f5]
mov byte [r9 + r11 + 0x47c6e], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038d85
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 4]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f6]
mov byte [r9 + r11 + 0x47c6f], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038dcd
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 5]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f7]
mov byte [r9 + r11 + 0x47c70], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038e15
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 6]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f8]
mov byte [r9 + r11 + 0x47c71], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038e5d
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 7]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427f9]
mov byte [r9 + r11 + 0x47c72], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038ea5
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 8]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427fa]
mov byte [r9 + r11 + 0x47c73], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038eed
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 9]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427fb]
mov byte [r9 + r11 + 0x47c74], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038f35
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 0xa]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427fc]
mov byte [r9 + r11 + 0x47c75], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038f7d
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 0xb]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427fd]
mov byte [r9 + r11 + 0x47c76], dl
mov eax, dword [0x140047c64]
mov r8d, dword [0x140047c60]
cmp byte [0x140047c68], 0
jne 0x140038fc5
add r8d, eax
sub r8d, eax
mov dword [0x140047c60], r8d
mov byte [0x140047c68], 0
lea ecx, [r8 + 1]
lea eax, [r10 + 0xc]
cdq
idiv ecx
add dl, r8b
xor dl, byte [r9 + r11 + 0x427fe]
mov byte [r9 + r11 + 0x47c77], dl
mov edx, dword [0x140047c64]
movzx ecx, byte [0x140047c68]
mov r8d, dword [0x140047c60]
test cl, cl
jne 0x14003901e
add r8d, edx
mov dword [0x140047c60], r8d
mov cl, 1
mov byte [0x140047c68], cl
add r10d, 0xf
add r9, 0xf
lea eax, [r10 - 2]
cmp eax, 0x1e
jl 0x140038bd2
lea rcx, [0x140047dd4]
call fcn.14004021c
movups xmm0, xmmword [0x140047c60]
movups xmmword [rbx], xmm0
movups xmm1, xmmword [0x140047c70]
movups xmmword [rbx + 0x10], xmm1
movsd xmm0, qword [0x140047c80]
movsd qword [rbx + 0x20], xmm0
mov rax, rbx
mov rcx, qword [rsp + 0x13b0]
xor rcx, rsp
call fcn.1400401c0
add rsp, 0x13c0
pop rbx
ret