Function at 0x140018880
Capabilities:
Allocate or change rwx memory
Get system information on windows
Make suspicious ntquerysysteminformation call

Disassembly:
mov qword [rsp + 0x20], rbx
push rbp
push rsi
push r15
lea rbp, [rsp - 0x47]
sub rsp, 0xa0
mov rax, qword [0x1409b0280]
xor rax, rsp
mov qword [rbp + 0x3f], rax
xor edx, edx
lea r9, [rbp + 0xf]
mov rsi, rcx
xor r15d, r15d
xor r8d, r8d
mov dword [rbp + 0xf], r15d
mov ebx, r15d
lea ecx, [rdx + 0x40]
call qword [sym.imp.ntdll.dll_NtQuerySystemInformation]
cmp eax, 0xc0000004
jne 0x140018916
nop dword [rax]
xor edx, edx
mov r8d, 0x8000
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_VirtualFree]
mov edx, dword [rbp + 0xf]
xor ecx, ecx
mov r8d, 0x3000
lea r9d, [rcx + 4]
call qword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov r8d, dword [rbp + 0xf]
lea r9, [rbp + 0xf]
mov rdx, rax
mov ecx, 0x40
mov rbx, rax
call qword [sym.imp.ntdll.dll_NtQuerySystemInformation]
cmp eax, 0xc0000004
je 0x1400188d0
mov qword [rsp + 0xc8], rdi
mov qword [rsp + 0xd0], r14
test eax, eax
js 0x140018af7
test rbx, rbx
je 0x140018b0d
mov edi, r15d
mov r14, r15
cmp qword [rbx], rdi
jbe 0x14001899e
mov rax, r15
nop word [rax + rax]
lea rax, [rax + rax*4]
movups xmm0, xmmword [rbx + rax*8 + 0x10]
movups xmmword [rbp - 0x39], xmm0
movups xmm0, xmmword [rbx + rax*8 + 0x20]
movups xmmword [rbp - 0x29], xmm0
call qword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
movups xmm1, xmmword [rbp - 0x39]
mov ecx, eax
movdqa xmm0, xmm1
psrldq xmm0, 8
movq rax, xmm0
cmp rax, rcx
jne 0x14001898b
cmp qword [rbp - 0x29], rsi
je 0x140018999
inc edi
mov eax, edi
cmp rax, qword [rbx]
jb 0x140018950
jmp 0x140018afc
movq r14, xmm1
xor edx, edx
mov r8d, 0x8000
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_VirtualFree]
test r14, r14
je 0x140018b0d
lea r8, [r14 + 8]
mov qword [rbp + 0x2f], r15
mov r9d, 8
lea rdx, [rbp + 0x2f]
mov rcx, rsi
call fcn.140017f20
test al, al
je 0x140018b0d
mov r8, qword [rbp + 0x2f]
test r8, r8
je 0x140018b0d
add r8, 8
mov qword [rbp + 0x37], r15
mov r9d, 8
lea rdx, [rbp + 0x37]
mov rcx, rsi
call fcn.140017f20
test al, al
je 0x140018b0d
mov r8, qword [rbp + 0x37]
test r8, r8
je 0x140018b0d
add r8, 0x28
mov qword [rbp + 0x27], r15
mov r9d, 8
lea rdx, [rbp + 0x27]
mov rcx, rsi
call fcn.140017f20
test al, al
je 0x140018b0d
mov r8, qword [rbp + 0x27]
test r8, r8
je 0x140018b0d
xorps xmm0, xmm0
lea rdx, [rbp + 0x17]
add r8, 0x58
mov r9d, reloc.WS2_32.dll_recv
mov rcx, rsi
movups xmmword [rbp + 0x17], xmm0
call fcn.140017f20
test al, al
je 0x140018b0d
movzx eax, word [rbp + 0x17]
test ax, ax
je 0x140018b0d
mov ecx, eax
mov eax, 2
shr rcx, 1
inc rcx
mul rcx
mov rcx, 0xffffffffffffffff
cmovo rax, rcx
mov rcx, rax
call fcn.14015a908
movzx r8d, word [rbp + 0x17]
xor edx, edx
add r8, 2
mov rcx, rax
mov rbx, rax
call fcn.140195d30
movzx r9d, word [rbp + 0x17]
mov rdx, rbx
mov r8, qword [rbp + 0x1f]
mov rcx, rsi
call fcn.140017f20
test al, al
je 0x140018b0d
mov rdx, qword [rbp + 0x27]
lea r8, [rbp + 0x17]
add rdx, 0x58
mov word [rbp + 0x17], r15w
mov r9d, reloc.WS2_32.dll_recv
mov rcx, rsi
call fcn.140017f20
test al, al
je 0x140018b0d
mov rcx, rbx
call fcn.14015a48c
mov al, 1
jmp 0x140018b0f
test rbx, rbx
je 0x140018b0d
mov r8d, 0x8000
xor edx, edx
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_VirtualFree]
xor al, al
mov r14, qword [rsp + 0xd0]
mov rdi, qword [rsp + 0xc8]
mov rcx, qword [rbp + 0x3f]
xor rcx, rsp
call fcn.14015a1f0
mov rbx, qword [rsp + 0xd8]
add rsp, 0xa0
pop r15
pop rsi
pop rbp
ret