Function at 0x1400011e0
Capabilities:
Allocate or change rwx memory
Check if file exists
Check mutex on windows
Create thread
Enumerate processes
Inject thread
Spawn thread to rwx shellcode

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
mov qword [rsp + 0x18], rdi
mov qword [rsp + 0x20], r12
push rbp
push r14
push r15
lea rbp, [rsp - 0x400]
sub rsp, 0x500
mov rax, qword [0x140005008]
xor rax, rsp
mov qword [rbp + 0x3f0], rax
xor r12d, r12d
lea r8, str.top.secret.taskmgr.services
lea edx, [r12 + 1]
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_CreateMutexW]
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x14000128a
lea r9d, [r12 + 0x10]
lea r8, str.Injector
lea rdx, str.Monitoring_is_already_running__n_nYou_can_turn_it_off_by_pressing_the_END_key
xor ecx, ecx
call qword [sym.imp.USER32.dll_MessageBoxA]
xor eax, eax
mov rcx, qword [rbp + 0x3f0]
xor rcx, rsp
call fcn.140001970
lea r11, [rsp + 0x500]
mov rbx, qword [r11 + 0x20]
mov rsi, qword [r11 + 0x28]
mov rdi, qword [r11 + 0x30]
mov r12, qword [r11 + 0x38]
mov rsp, r11
pop r15
pop r14
pop rbp
ret
call qword [sym.imp.KERNEL32.dll_FreeConsole]
mov r9d, 0x40
lea r8, str.Injector
lea rdx, str.Task_manager_monitoring_is_started__n_nTo_turn_it_off__press_the_END_key
xor ecx, ecx
call qword [sym.imp.USER32.dll_MessageBoxA]
mov ecx, 1
call fcn.140001990
mov qword [rbp - 0x70], rax
lea rcx, [rbp - 0x78]
mov qword [rsp + 0x28], rcx
mov dword [rsp + 0x20], r12d
mov r9, rax
lea r8, [0x140001910]
xor edx, edx
xor ecx, ecx
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
mov qword [rbp - 0x80], rax
test rax, rax
je 0x1400016bc
cmp dword [rbp - 0x78], 0
jne 0x1400012fb
mov ecx, 1
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_Cpp_error_int_]
int3
movaps xmm0, xmmword [rbp - 0x80]
movdqa xmmword [rbp - 0x70], xmm0
lea rcx, [rbp - 0x70]
call qword [sym.imp.MSVCP140.dll__Thrd_detach]
test eax, eax
je 0x14000131b
mov ecx, eax
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_C_error_int_]
int3
xorps xmm0, xmm0
movdqa xmmword [rbp - 0x80], xmm0
xor r9d, r9d
lea r8, [rbp + 0x1e0]
mov edx, 0x104
lea rcx, str.taskmgr.dll
call qword [sym.imp.KERNEL32.dll_GetFullPathNameW]
lea rcx, [rbp + 0x1e0]
call qword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x140001382
lea r9d, [rax + 0x10]
lea r8, str.Injector
lea rdx, str.The_taskmgr.dll_library_was_not_found.
xor ecx, ecx
call qword [sym.imp.USER32.dll_MessageBoxA]
nop
cmp dword [rbp - 0x78], 0
je 0x140001378
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll_terminate]
int3
mov eax, 1
jmp 0x14000125a
mov edi, r12d
nop word [rax + rax]
xor edx, edx
mov ecx, 0x1f4
call qword [sym.imp.KERNEL32.dll_SleepEx]
mov dword [rbp - 0x60], 0x238
xor edx, edx
lea ecx, [rdx + 2]
call qword [sym.imp.KERNEL32.dll_CreateToolhelp32Snapshot]
mov rbx, rax
lea rdx, [rbp - 0x60]
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_Process32FirstW]
test eax, eax
je 0x1400013e9
lea rdx, str.Taskmgr.exe
lea rcx, [rbp - 0x34]
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__wcsicmp]
mov rcx, rbx
test eax, eax
je 0x1400013ff
lea rdx, [rbp - 0x60]
call qword [sym.imp.KERNEL32.dll_Process32NextW]
test eax, eax
jne 0x1400013c3
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
xor edx, edx
lea ecx, [rdx + 0x64]
call qword [sym.imp.KERNEL32.dll_SleepEx]
jmp 0x140001382
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop word [rax + rax]
xor edx, edx
mov ecx, 0x1f4
call qword [sym.imp.KERNEL32.dll_SleepEx]
mov dword [rbp - 0x60], 0x238
xor edx, edx
lea ecx, [rdx + 2]
call qword [sym.imp.KERNEL32.dll_CreateToolhelp32Snapshot]
mov rbx, rax
lea rdx, [rbp - 0x60]
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_Process32FirstW]
test eax, eax
je 0x1400016a0
lea rdx, str.Taskmgr.exe
lea rcx, [rbp - 0x34]
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__wcsicmp]
mov rcx, rbx
test eax, eax
je 0x14000146b
lea rdx, [rbp - 0x60]
call qword [sym.imp.KERNEL32.dll_Process32NextW]
jmp 0x14000143f
call qword [sym.imp.KERNEL32.dll_CloseHandle]
xor edx, edx
lea ecx, [rdx + 0x64]
call qword [sym.imp.KERNEL32.dll_SleepEx]
test edi, edi
jne 0x140001410
lea rdx, [rbp + 0x1e0]
lea rcx, [rsp + 0x40]
call fcn.1400017b0
nop
lea rdx, str.Taskmgr.exe
lea rcx, [rsp + 0x60]
call fcn.1400017b0
xor edx, edx
lea ecx, [rdi + 2]
call qword [sym.imp.KERNEL32.dll_CreateToolhelp32Snapshot]
mov rbx, rax
xor edx, edx
mov r8d, 0x234
lea rcx, [rbp - 0x5c]
call sub.VCRUNTIME140.dll_memset
mov dword [rbp - 0x60], 0x238
mov r15, qword [rsp + 0x78]
mov r14, qword [rsp + 0x60]
cmp rbx, 0xffffffffffffffff
je 0x140001559
lea rdx, [rbp - 0x60]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_Process32FirstW]
test eax, eax
je 0x140001559
lea rdx, [rbp - 0x60]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_Process32NextW]
test eax, eax
je 0x140001550
cmp r15, 8
setae dil
nop word [rax + rax]
lea r8, [rsp + 0x60]
test dil, dil
cmovne r8, r14
lea rax, [rbp - 0x34]
sub r8, rax
movzx edx, word [rax]
movzx ecx, word [rax + r8]
sub edx, ecx
jne 0x140001537
add rax, 2
test ecx, ecx
jne 0x140001523
mov rcx, rbx
test edx, edx
je 0x140001691
lea rdx, [rbp - 0x60]
call qword [sym.imp.KERNEL32.dll_Process32NextW]
test eax, eax
jne 0x140001510
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov r8d, r12d
mov eax, dword [rsp + 0x50]
lea edi, [rax*2 + 2]
xor edx, edx
mov ecx, 0x1fffff
call qword [sym.imp.KERNEL32.dll_OpenProcess]
mov rbx, rax
test rax, rax
je 0x140001611
movsxd rsi, edi
mov dword [rsp + 0x20], 0x40
mov r9d, 0x1000
mov r8, rsi
xor edx, edx
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov rdi, rax
test rax, rax
je 0x140001611
lea r8, [rsp + 0x40]
cmp qword [rsp + 0x58], 8
cmovae r8, qword [rsp + 0x40]
mov qword [rsp + 0x20], r12
mov r9, rsi
mov rdx, rax
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_WriteProcessMemory]
test eax, eax
je 0x140001611
lea rcx, str.kernel32
call qword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov rcx, rax
lea rdx, [0x140003420]
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
lea rcx, [rbp - 0x70]
mov qword [rsp + 0x30], rcx
mov dword [rsp + 0x28], r12d
mov qword [rsp + 0x20], rdi
mov r9, rax
xor r8d, r8d
xor edx, edx
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CreateRemoteThread]
cmp r15, 8
jb 0x140001649
lea rdx, [r15*2 + 2]
mov rax, r14
cmp rdx, 0x1000
jb 0x140001640
add rdx, 0x27
mov r14, qword [r14 - 8]
sub rax, r14
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1400016ae
mov rcx, r14
call fcn.1400019cc
nop
mov rdx, qword [rsp + 0x58]
cmp rdx, 8
jb 0x140001687
lea rdx, [rdx*2 + 2]
mov rcx, qword [rsp + 0x40]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140001682
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1400016b5
call fcn.1400019cc
mov edi, 1
jmp 0x140001410
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov r8d, dword [rbp - 0x58]
jmp 0x14000155c
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x140001390
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
mov dword [rbp - 0x78], r12d
mov ecx, 6
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_Cpp_error_int_]
int3