Function at 0x140044390
Capabilities:
Check os version
Set registry value

Disassembly:
mov rax, rsp
mov qword [rax + 8], rcx
push rbp
push r12
push r13
push r14
push r15
lea rbp, [rax - 0x57]
sub rsp, 0xc0
mov qword [rbp + 0x27], 0xfffffffffffffffe
mov qword [rax + 0x10], rbx
mov qword [rax + 0x18], rsi
mov qword [rax + 0x20], rdi
mov r14, r9
mov r15, r8
mov r13d, edx
lea rcx, [0x1401a19a8]
mov rax, qword [0x1401a19a8]
call qword [rax + 0x18]
lea rbx, [rax + 0x18]
mov qword [rbp - 0x41], rbx
lea rcx, [0x1401a19a8]
mov rax, qword [0x1401a19a8]
call qword [rax + 0x18]
lea rdi, [rax + 0x18]
mov qword [rbp - 0x39], rdi
mov r12, qword [rbp + 0x7f]
mov rax, qword [r12]
or esi, 0xffffffff
cmp dword [rax - 0x10], 0
je 0x140044490
lea r8, [0x140135e30]
mov rdx, r12
lea rcx, [rbp + 0x1f]
call fcn.140019610
nop
mov rdx, qword [rax]
lea rcx, [rdx - 0x18]
add rdi, 0xffffffffffffffe8
cmp rcx, rdi
je 0x140044474
cmp dword [rdi + 0x10], 0
jl 0x140044466
mov rax, qword [rdi]
cmp qword [rcx], rax
jne 0x140044466
call fcn.140002390
mov rbx, rax
lock add dword [rdi + 0x10], esi
jg 0x14004445c
mov rcx, qword [rdi]
mov r8, qword [rcx]
mov rdx, rdi
call qword [rreloc.OLEAUT32.dll_VariantClear + 8]
lea rax, [rbx + 0x18]
mov qword [rbp - 0x39], rax
jmp 0x140044474
mov r8d, dword [rdx - 0x10]
lea rcx, [rbp - 0x39]
call fcn.140002240
nop
mov rdx, qword [rbp + 0x1f]
add rdx, 0xffffffffffffffe8
lock add dword [rdx + 0x10], 0xffffffff
jg 0x14004448c
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
mov rbx, qword [rbp - 0x41]
call qword [sym.imp.KERNEL32.dll_GetVersion]
movzx ecx, al
shr ax, 8
movzx edx, al
xor edi, edi
cmp ecx, 6
ja 0x1400444b6
jne 0x140044629
cmp edx, 1
jbe 0x140044629
cmp r14, 0xffffffff80000002
je 0x140044629
mov r8b, 1
mov rdx, r15
lea rcx, [rbp - 1]
call fcn.140042670
nop
mov r8, rax
lea rdx, [rbp - 0x39]
lea rcx, [rbp + 0xf]
call fcn.14000ee60
nop
mov rdx, qword [rax]
lea rcx, [rdx - 0x18]
add rbx, 0xffffffffffffffe8
cmp rcx, rbx
je 0x140044538
cmp dword [rbx + 0x10], 0
jl 0x14004452a
mov rax, qword [rbx]
cmp qword [rcx], rax
jne 0x14004452a
call fcn.140002390
mov rdi, rax
lock add dword [rbx + 0x10], 0xffffffff
jg 0x14004451e
mov rcx, qword [rbx]
mov r8, qword [rcx]
mov rdx, rbx
call qword [rreloc.OLEAUT32.dll_VariantClear + 8]
lea rax, [rdi + 0x18]
mov qword [rbp - 0x41], rax
xor edi, edi
jmp 0x140044538
mov r8d, dword [rdx - 0x10]
lea rcx, [rbp - 0x41]
call fcn.140002240
nop
mov rdx, qword [rbp + 0xf]
add rdx, 0xffffffffffffffe8
lock add dword [rdx + 0x10], 0xffffffff
jg 0x140044551
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
nop
mov rdx, qword [rbp - 1]
add rdx, 0xffffffffffffffe8
lock add dword [rdx + 0x10], 0xffffffff
jg 0x140044569
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
lea rax, [rbp - 0x29]
mov qword [rsp + 0x20], rax
mov r9d, 0x20019
xor r8d, r8d
mov rbx, qword [rbp - 0x41]
mov rdx, rbx
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
je 0x1400445c4
mov qword [rsp + 0x40], rdi
lea rax, [rbp - 0x29]
mov qword [rsp + 0x38], rax
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], 0xf003f
mov dword [rsp + 0x20], edi
xor r9d, r9d
xor r8d, r8d
mov rdx, rbx
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
test eax, eax
jne 0x1400445ce
mov rcx, qword [rbp - 0x29]
call qword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [rbp - 0x21], r13d
lea rax, [rbp - 0x11]
mov qword [rsp + 0x20], rax
mov r9d, 0x2001f
xor r8d, r8d
mov rdx, rbx
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x140044629
mov dword [rsp + 0x28], 4
lea rax, [rbp - 0x21]
mov qword [rsp + 0x20], rax
mov r9d, 4
xor r8d, r8d
mov rdx, qword [rbp + 0x5f]
mov rdx, qword [rdx]
mov rcx, qword [rbp - 0x11]
call qword [sym.imp.ADVAPI32.dll_RegSetValueExW]
mov rcx, qword [rbp - 0x11]
call qword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor r8d, r8d
mov rdx, r15
lea rcx, [rbp + 0x17]
call fcn.140042670
nop
mov r8, rax
lea rdx, [rbp - 0x39]
lea rcx, [rbp + 7]
call fcn.14000ee60
nop
mov rdx, qword [rax]
lea rcx, [rdx - 0x18]
add rbx, 0xffffffffffffffe8
cmp rcx, rbx
je 0x14004469c
cmp dword [rbx + 0x10], 0
jl 0x14004468e
mov rax, qword [rbx]
cmp qword [rcx], rax
jne 0x14004468e
call fcn.140002390
mov rdi, rax
lock add dword [rbx + 0x10], 0xffffffff
jg 0x140044684
mov rcx, qword [rbx]
mov r8, qword [rcx]
mov rdx, rbx
call qword [rreloc.OLEAUT32.dll_VariantClear + 8]
lea rax, [rdi + 0x18]
mov qword [rbp - 0x41], rax
jmp 0x14004469c
mov r8d, dword [rdx - 0x10]
lea rcx, [rbp - 0x41]
call fcn.140002240
nop
mov rdx, qword [rbp + 7]
add rdx, 0xffffffffffffffe8
lock add dword [rdx + 0x10], 0xffffffff
jg 0x1400446b5
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
nop
mov rdx, qword [rbp + 0x17]
add rdx, 0xffffffffffffffe8
lock add dword [rdx + 0x10], 0xffffffff
jg 0x1400446cd
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
lea rax, [rbp - 0x19]
mov qword [rsp + 0x20], rax
mov r9d, 0x20019
xor r8d, r8d
mov rbx, qword [rbp - 0x41]
mov rdx, rbx
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
je 0x14004472a
xor ecx, ecx
mov qword [rsp + 0x40], rcx
lea rax, [rbp - 0x19]
mov qword [rsp + 0x38], rax
mov qword [rsp + 0x30], rcx
mov dword [rsp + 0x28], 0xf003f
mov dword [rsp + 0x20], ecx
xor r9d, r9d
xor r8d, r8d
mov rdx, rbx
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
test eax, eax
jne 0x140044734
mov rcx, qword [rbp - 0x19]
call qword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [rbp - 0x31], r13d
lea rax, [rbp - 9]
mov qword [rsp + 0x20], rax
mov r9d, 0x2001f
xor r8d, r8d
mov rdx, rbx
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
je 0x14004475e
xor bl, bl
jmp 0x14004479a
mov dword [rsp + 0x28], 4
lea rax, [rbp - 0x31]
mov qword [rsp + 0x20], rax
mov r9d, 4
xor r8d, r8d
mov rax, qword [rbp + 0x5f]
mov rdx, qword [rax]
mov rcx, qword [rbp - 9]
call qword [sym.imp.ADVAPI32.dll_RegSetValueExW]
mov ebx, eax
mov rcx, qword [rbp - 9]
call qword [sym.imp.ADVAPI32.dll_RegCloseKey]
test ebx, ebx
sete bl
mov rdx, qword [rbp - 0x39]
add rdx, 0xffffffffffffffe8
lock add dword [rdx + 0x10], 0xffffffff
jg 0x1400447b3
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
nop
mov rdx, qword [rbp - 0x41]
add rdx, 0xffffffffffffffe8
mov eax, esi
lock xadd dword [rdx + 0x10], eax
dec eax
jg 0x1400447d0
mov rcx, qword [rdx]
mov rax, qword [rcx]
call qword [rax + reloc.OLEAUT32.dll_VariantClear]
nop
mov rdx, qword [r12]
sub rdx, 0x18
lock add dword [rdx + 0x10], 0xffffffff
jg 0x1400447e9
mov rcx, qword [rdx]
mov r8, qword [rcx]
call qword [rreloc.OLEAUT32.dll_VariantClear + 8]
movzx eax, bl
lea r11, [rsp + 0xc0]
mov rbx, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rdi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret