Function at 0x140001300
Capabilities:
Allocate or change rwx memory
Check if file exists
Create thread
Get file attributes
Inject thread
Spawn thread to rwx shellcode

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x90]
sub rsp, 0x190
mov rax, qword [0x140008040]
xor rax, rsp
mov qword [rbp + 0x88], rax
mov rbx, rdx
mov rdi, rcx
mov rcx, rdx
call qword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x140001357
lea rcx, str.File_doesnt_exist_n
call fcn.140001020
xor al, al
jmp 0x140001724
xor edx, edx
mov r8d, 0x110
lea rcx, [rsp + 0x60]
call sub.VCRUNTIME140.dll_memset
mov rdx, rbx
lea rcx, [rsp + 0x60]
call fcn.140002670
nop
mov rax, qword [rsp + 0x60]
movsxd rcx, dword [rax + 4]
mov edx, dword [rsp + rcx + 0x70]
test dl, 6
je 0x140001397
lea rcx, str.Opening_the_file_failed:__X_n
call fcn.140001020
jmp 0x1400013c3
lea rdx, [rbp + 0x70]
lea rcx, [rsp + 0x60]
call qword [sym.imp.MSVCP140.dll_public:_class_std::fpos_struct__Mbstatet____cdecl_std::basic_istream_char__struct_std::char_traits_char__::tellg_void____ptr64]
mov rcx, qword [rbp + 0x70]
add rcx, qword [rbp + 0x78]
cmp rcx, 0x1000
jge 0x1400013fc
lea rcx, str.Filesize_is_invalid._n
call fcn.140001020
lea rcx, [rsp + 0x70]
call fcn.140002a90
test rax, rax
jne 0x1400016a7
mov rax, qword [rsp + 0x60]
movsxd rcx, dword [rax + 4]
lea rax, [rsp + 0x60]
add rcx, rax
xor r8d, r8d
mov edx, 2
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool____ptr64]
xor bl, bl
jmp 0x140001717
call fcn.1400030b4
mov rsi, rax
xor r8d, r8d
xor edx, edx
lea rcx, [rsp + 0x60]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_istream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_istream_char__struct_std::char_traits_char__::seekg_long_long___int64___int____ptr64]
mov r8, qword [rbp + 0x78]
add r8, qword [rbp + 0x70]
mov rdx, rsi
lea rcx, [rsp + 0x60]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_istream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_istream_char__struct_std::char_traits_char__::read_char____ptr64__long_long___int64_____ptr64]
lea rcx, [rsp + 0x70]
call fcn.140002a90
test rax, rax
jne 0x140001458
mov rax, qword [rsp + 0x60]
movsxd rcx, dword [rax + 4]
lea rax, [rsp + 0x60]
add rcx, rax
xor r8d, r8d
mov edx, 2
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool____ptr64]
mov eax, 0x5a4d
cmp word [rsi], ax
je 0x14000147d
lea rcx, str.Invalid_file_n
call fcn.140001020
mov rcx, rsi
call fcn.140003070
xor bl, bl
jmp 0x140001717
movsxd r14, dword [rsi + 0x3c]
add r14, rsi
mov eax, 0x8664
cmp word [r14 + 4], ax
je 0x1400014ab
lea rcx, str.Invalid_platform_n
call fcn.140001020
mov rcx, rsi
call fcn.140003070
xor bl, bl
jmp 0x140001717
mov r8d, dword [r14 + 0x50]
mov dword [rsp + 0x20], 0x40
mov r9d, 0x3000
mov rdx, qword [r14 + 0x30]
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov r12, rax
test rax, rax
jne 0x14000151a
mov r8d, dword [r14 + 0x50]
mov dword [rsp + 0x20], 0x40
xor edx, edx
mov r9d, 0x3000
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov r12, rax
test rax, rax
jne 0x14000151a
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, eax
lea rcx, str.Memory_allocation_failed__ex__0x_X_n
call fcn.140001020
mov rcx, rsi
call fcn.140003070
xor bl, bl
jmp 0x140001717
xor r13d, r13d
mov qword [rsp + 0x50], r13
mov rax, qword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov qword [rsp + 0x40], rax
mov rax, qword [sym.imp.KERNEL32.dll_GetProcAddress]
mov qword [rsp + 0x48], rax
movzx ebx, word [r14 + 0x14]
add rbx, 0x28
mov r15d, r13d
cmp word [r14 + 6], r13w
je 0x14000158d
add rbx, r14
mov eax, dword [rbx]
test eax, eax
je 0x14000157c
mov r9d, eax
mov r8d, dword [rbx + 4]
add r8, rsi
mov edx, dword [rbx - 4]
add rdx, r12
mov qword [rsp + 0x20], r13
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_WriteProcessMemory]
test eax, eax
je 0x140001605
inc r15d
add rbx, 0x28
movzx eax, word [r14 + 6]
cmp r15d, eax
jne 0x140001550
movups xmm0, xmmword [rsp + 0x40]
movups xmmword [rsi], xmm0
movsd xmm1, qword [rsp + 0x50]
movsd qword [rsi + 0x10], xmm1
mov qword [rsp + 0x20], r13
mov r9d, 0x1000
mov r8, rsi
mov rdx, r12
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_WriteProcessMemory]
mov rcx, rsi
call fcn.140003070
mov dword [rsp + 0x20], 0x40
xor edx, edx
mov r9d, 0x3000
mov r8d, 0x1000
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov rsi, rax
test rax, rax
jne 0x140001626
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, eax
lea rcx, str.Memory_allocation_failed__1___ex__0x_X_n
call fcn.140001020
mov rdx, r12
jmp 0x140001695
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, eax
lea rcx, str.Cant_map_sections:_0x_x_n
call fcn.140001020
mov rcx, rsi
call fcn.140003070
mov rdx, r12
jmp 0x140001695
mov qword [rsp + 0x20], r13
mov r9d, 0x1000
lea r8, [0x140001810]
mov rdx, rsi
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_WriteProcessMemory]
mov qword [rsp + 0x30], r13
mov dword [rsp + 0x28], r13d
mov qword [rsp + 0x20], r12
mov r9, rsi
xor r8d, r8d
xor edx, edx
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_CreateRemoteThread]
test rax, rax
jne 0x1400016ab
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, eax
lea rcx, str.Thread_creation_failed_0x_X_n
call fcn.140001020
mov r9d, 0x8000
xor r8d, r8d
mov rdx, r12
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualFreeEx]
mov rdx, rsi
mov r9d, 0x8000
xor r8d, r8d
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualFreeEx]
xor bl, bl
jmp 0x140001717
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop dword [rax]
nop dword [rax + rax]
xorps xmm0, xmm0
xor eax, eax
movups xmmword [rsp + 0x40], xmm0
mov qword [rsp + 0x50], rax
mov qword [rsp + 0x20], r13
mov r9d, 0x18
lea r8, [rsp + 0x40]
mov rdx, r12
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_ReadProcessMemory]
mov rbx, qword [rsp + 0x50]
mov ecx, 0xa
call qword [sym.imp.KERNEL32.dll_Sleep]
test rbx, rbx
je 0x1400016c0
mov r9d, 0x8000
xor r8d, r8d
mov rdx, rsi
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualFreeEx]
mov bl, 1
lea rcx, [rsp + 0x60]
call fcn.140001750
movzx eax, bl
mov rcx, qword [rbp + 0x88]
xor rcx, rsp
call fcn.140003050
mov rbx, qword [rsp + 0x1e0]
add rsp, 0x190
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret