Function at 0x1400df880
Capabilities:
Allocate or change rwx memory
Get system information on windows
Make suspicious ntquerysysteminformation call

Disassembly:
push rbp
push rbx
push rsi
push r15
lea rbp, [rsp - 0x3f]
sub rsp, 0x88
xor edx, edx
lea r9, [rbp + 0x6f]
mov rsi, rcx
xor r15d, r15d
xor r8d, r8d
mov dword [rbp + 0x6f], r15d
mov ebx, r15d
lea ecx, [rdx + 0x40]
call qword [sym.imp.ntdll.dll_NtQuerySystemInformation]
cmp eax, 0xc0000004
jne 0x1400df906
nop dword [rax + rax]
xor edx, edx
mov r8d, 0x8000
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_VirtualFree]
mov edx, dword [rbp + 0x6f]
xor ecx, ecx
mov r8d, 0x3000
lea r9d, [rcx + 4]
call qword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov r8d, dword [rbp + 0x6f]
lea r9, [rbp + 0x6f]
mov rdx, rax
mov ecx, 0x40
mov rbx, rax
call qword [sym.imp.ntdll.dll_NtQuerySystemInformation]
cmp eax, 0xc0000004
je 0x1400df8c0
mov qword [rsp + 0xb0], rdi
mov qword [rsp + 0x80], r14
test eax, eax
js 0x1400dfae7
test rbx, rbx
je 0x1400dfafd
mov edi, r15d
mov r14, r15
cmp qword [rbx], rdi
jbe 0x1400df98e
mov rax, r15
nop word [rax + rax]
lea rax, [rax + rax*4]
movups xmm0, xmmword [rbx + rax*8 + 0x10]
movups xmmword [rbp - 0x11], xmm0
movups xmm0, xmmword [rbx + rax*8 + 0x20]
movups xmmword [rbp - 1], xmm0
call qword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
movups xmm1, xmmword [rbp - 0x11]
mov ecx, eax
movdqa xmm0, xmm1
psrldq xmm0, 8
movq rax, xmm0
cmp rax, rcx
jne 0x1400df97b
cmp qword [rbp - 1], rsi
je 0x1400df989
inc edi
mov eax, edi
cmp rax, qword [rbx]
jb 0x1400df940
jmp 0x1400dfaec
movq r14, xmm1
xor edx, edx
mov r8d, 0x8000
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_VirtualFree]
test r14, r14
je 0x1400dfafd
lea r8, [r14 + 8]
mov qword [rbp + 0x7f], r15
mov r9d, 8
lea rdx, [rbp + 0x7f]
mov rcx, rsi
call fcn.1400df1e0
test al, al
je 0x1400dfafd
mov r8, qword [rbp + 0x7f]
test r8, r8
je 0x1400dfafd
add r8, 8
mov qword [rbp - 0x29], r15
mov r9d, 8
lea rdx, [rbp - 0x29]
mov rcx, rsi
call fcn.1400df1e0
test al, al
je 0x1400dfafd
mov r8, qword [rbp - 0x29]
test r8, r8
je 0x1400dfafd
add r8, 0x28
mov qword [rbp + 0x77], r15
mov r9d, 8
lea rdx, [rbp + 0x77]
mov rcx, rsi
call fcn.1400df1e0
test al, al
je 0x1400dfafd
mov r8, qword [rbp + 0x77]
test r8, r8
je 0x1400dfafd
xorps xmm0, xmm0
lea rdx, [rbp - 0x21]
add r8, 0x58
mov r9d, reloc.WS2_32.dll_recv
mov rcx, rsi
movups xmmword [rbp - 0x21], xmm0
call fcn.1400df1e0
test al, al
je 0x1400dfafd
movzx eax, word [rbp - 0x21]
test ax, ax
je 0x1400dfafd
mov ecx, eax
mov eax, 2
shr rcx, 1
inc rcx
mul rcx
mov rcx, 0xffffffffffffffff
cmovo rax, rcx
mov rcx, rax
call fcn.1402ff054
movzx r8d, word [rbp - 0x21]
xor edx, edx
add r8, 2
mov rcx, rax
mov rbx, rax
call sub.VCRUNTIME140.dll_memset
movzx r9d, word [rbp - 0x21]
mov rdx, rbx
mov r8, qword [rbp - 0x19]
mov rcx, rsi
call fcn.1400df1e0
test al, al
je 0x1400dfafd
mov rdx, qword [rbp + 0x77]
lea r8, [rbp - 0x21]
add rdx, 0x58
mov word [rbp - 0x21], r15w
mov r9d, reloc.WS2_32.dll_recv
mov rcx, rsi
call fcn.1400df1e0
test al, al
je 0x1400dfafd
mov rcx, rbx
call fcn.1402fecf0
mov al, 1
jmp 0x1400dfaff
test rbx, rbx
je 0x1400dfafd
mov r8d, 0x8000
xor edx, edx
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_VirtualFree]
xor al, al
mov r14, qword [rsp + 0x80]
mov rdi, qword [rsp + 0xb0]
add rsp, 0x88
pop r15
pop rsi
pop rbx
pop rbp
ret