Function at 0x14003a146
Capabilities:
Create process on windows
Create process suspended
Inject apc
Query environment variable
Resume thread
Self delete
Terminate process
Use process replacement

Disassembly:
push r15
push r14
push r12
push rsi
push rdi
push rbp
push rbx
sub rsp, 0x430
mov r14d, edx
mov rbx, rcx
mov rax, qword [0x1401b6b28]
xor rax, rsp
mov qword [rsp + 0x428], rax
lea rcx, str._SystemRoot_System32_rundll32.exe
lea rdx, [rsp + 0x220]
mov r8d, 0x104
call qword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
dec eax
xor edi, edi
cmp eax, 0x102
ja 0x14003a3be
xorps xmm0, xmm0
lea rax, [rsp + 0x1b0]
movaps xmmword [rax], xmm0
movaps xmmword [rax + 0x50], xmm0
movaps xmmword [rax + 0x40], xmm0
movaps xmmword [rax + 0x30], xmm0
movaps xmmword [rax + 0x20], xmm0
movaps xmmword [rax + 0x10], xmm0
mov qword [rax + 0x60], rdi
mov dword [rax], 0x68
lea rcx, [rsp + 0x190]
mov qword [rcx + 0x10], rdi
movaps xmmword [rcx], xmm0
mov qword [rsp + 0x48], rcx
mov qword [rsp + 0x40], rax
movups xmmword [rsp + 0x30], xmm0
mov dword [rsp + 0x28], 4
mov dword [rsp + 0x20], 0
lea rdx, [rsp + 0x220]
xor ecx, ecx
xor r8d, r8d
xor r9d, r9d
call qword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x14003a3b8
mov r15d, eax
movzx eax, byte [rbx + 0x17]
test al, al
jns 0x14003a21f
mov eax, dword [rbx + 8]
lea r8d, [rax + rax]
add r8d, 2
mov rcx, qword [rsp + 0x190]
mov dword [rsp + 0x20], 4
xor edx, edx
mov r9d, 0x1000
call qword [sym.imp.KERNEL32.dll_VirtualAllocEx]
test rax, rax
je 0x14003a331
mov rdi, rax
mov qword [rsp + 0x50], 0
movzx eax, byte [rbx + 0x17]
test al, al
jns 0x14003a269
mov rax, qword [rbx + 8]
mov rbx, qword [rbx]
lea r9, [rax + rax]
add r9, 2
mov rcx, qword [rsp + 0x190]
lea rax, [rsp + 0x50]
mov qword [rsp + 0x20], rax
mov rdx, rdi
mov r8, rbx
call qword [sym.imp.KERNEL32.dll_WriteProcessMemory]
lea rcx, [0x14017ac96]
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov rbx, rax
lea rdx, [0x14017acb0]
mov rsi, qword [sym.imp.KERNEL32.dll_GetProcAddress]
mov rcx, rax
call rsi
mov rbp, rax
lea rdx, [0x14017acb6]
mov rcx, rbx
call rsi
mov r12, rax
lea rdx, [0x14017acc2]
mov rcx, rbx
call rsi
mov rbx, rax
xor eax, eax
test rbp, rbp
je 0x14003a32c
test r12, r12
je 0x14003a32c
test rbx, rbx
je 0x14003a32c
mov r8d, r14d
mov rdx, qword [rsp + 0x198]
mov rsi, qword [sym.imp.KERNEL32.dll_QueueUserAPC]
mov rcx, rbp
call rsi
mov rdx, qword [rsp + 0x198]
mov rcx, r12
mov r8, rdi
call rsi
mov rdx, qword [rsp + 0x198]
mov rcx, rbx
xor r8d, r8d
call rsi
mov rcx, qword [rsp + 0x198]
call qword [sym.imp.KERNEL32.dll_ResumeThread]
mov eax, r15d
mov r15d, eax
jmp 0x14003a39a
mov ecx, 2
call fcn.1400481e0
test al, al
je 0x14003a387
call sub.KERNEL32.dll_GetLastError
mov dword [rsp + 0x20], eax
lea rdx, str..._.._chrome_installer_setup_setup_util.cc
lea rsi, [rsp + 0x50]
mov rcx, rsi
mov r8d, 0x1d2
mov r9d, 2
call fcn.140048f30
lea rcx, [rsp + 0x60]
lea rdx, [0x14017acce]
mov r8d, reloc.WS2_32.dll_ntohl
call fcn.140006489
mov rcx, rsi
call fcn.140049000
mov rcx, qword [rsp + 0x190]
mov edx, 0xffffffff
call qword [sym.imp.KERNEL32.dll_TerminateProcess]
mov rcx, qword [rsp + 0x198]
mov rsi, qword [sym.imp.KERNEL32.dll_CloseHandle]
call rsi
mov rcx, qword [rsp + 0x190]
call rsi
mov edi, r15d
test edi, edi
setne dil
mov rcx, qword [rsp + 0x428]
xor rcx, rsp
call fcn.140147fd0
mov eax, edi
add rsp, 0x430
pop rbx
pop rbp
pop rdi
pop rsi
pop r12
pop r14
pop r15
ret