Function at 0x407840
Capabilities:
Create process on windows
Query environment variable
Set environment variable

Disassembly:
push 0xffffffffffffffff
push 0x40d769
mov eax, dword fs:[0]
push eax
mov eax, 0x1164
call fcn.0040d1a0
mov eax, dword [0x41404c]
xor eax, esp
mov dword [esp + 0x115c], eax
push esi
mov eax, dword [0x41404c]
xor eax, esp
push eax
lea eax, [esp + 0x116c]
mov dword fs:[0], eax
push 0xfff
lea eax, [esp + 0x169]
push 0
mov dword [esp + 0x117c], 0
push eax
mov byte [esp + 0x170], 0
call sub.MSVCR90.dll_memset
add esp, 0xc
push 0x1000
call dword [sym.imp.MSVCR90.dll_malloc]
add esp, 4
push 0x1000
mov esi, eax
push esi
push str.PATH
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
je 0x4079e0
mov ecx, 0x1000
lea eax, [esp + 0x164]
jmp 0x4078e0
cmp byte [eax], 0
je 0x4078ed
inc eax
sub ecx, 1
jne 0x4078e0
jmp 0x407910
test ecx, ecx
je 0x407910
mov eax, 0x1000
sub eax, ecx
mov edx, 0x1000
sub edx, eax
lea ecx, [esp + eax + 0x164]
mov eax, str.Path
call fcn.00401060
mov ecx, 0x1000
lea eax, [esp + 0x164]
lea esp, [esp]
cmp byte [eax], 0
je 0x40792d
inc eax
sub ecx, 1
jne 0x407920
jmp 0x407950
test ecx, ecx
je 0x407950
mov eax, 0x1000
sub eax, ecx
mov edx, 0x1000
sub edx, eax
lea ecx, [esp + eax + 0x164]
mov eax, 0x4109d4
call fcn.00401060
mov ecx, 0x1000
lea eax, [esp + 0x164]
lea esp, [esp]
cmp byte [eax], 0
je 0x40796d
inc eax
sub ecx, 1
jne 0x407960
jmp 0x407990
test ecx, ecx
je 0x407990
mov eax, 0x1000
sub eax, ecx
mov edx, 0x1000
sub edx, eax
lea ecx, [esp + eax + 0x164]
mov eax, 0x4109e8
call fcn.00401060
mov ecx, 0x1000
lea eax, [esp + 0x164]
lea esp, [esp]
cmp byte [eax], 0
je 0x4079ad
inc eax
sub ecx, 1
jne 0x4079a0
jmp 0x4079cd
test ecx, ecx
je 0x4079cd
mov eax, 0x1000
sub eax, ecx
mov edx, 0x1000
sub edx, eax
lea ecx, [esp + eax + 0x164]
mov eax, esi
call fcn.00401060
lea ecx, [esp + 0x164]
push ecx
push str.PATH
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
xor eax, eax
push 0x44
push eax
lea edx, [esp + 0x24]
push edx
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], eax
call sub.MSVCR90.dll_memset
mov eax, dword [edi + 0xc]
or dword [esp + 0x54], 0x100
add esp, 0xc
xor ecx, ecx
push 0xf8
mov dword [esp + 0x60], eax
mov dword [esp + 0x5c], eax
mov eax, dword [edi]
push ecx
lea edx, [esp + 0x6e]
push edx
mov dword [esp + 0x28], 0x44
mov dword [esp + 0x60], eax
mov word [esp + 0x70], cx
call sub.MSVCR90.dll_memset
mov ecx, dword [esp + 0x118c]
add esp, 0xc
cmp dword [esp + 0x1194], 0x10
jae 0x407a55
lea ecx, [esp + 0x1180]
lea edx, [esp + 0x64]
lea esp, [esp]
mov al, byte [ecx]
mov byte [edx], al
inc ecx
inc edx
test al, al
jne 0x407a60
lea eax, [esp + 8]
push eax
lea ecx, [esp + 0x20]
push ecx
push 0x4109d4
push 0
push 0x8000000
push 1
push 0
push 0
lea edx, [esp + 0x84]
push edx
push 0
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
test eax, eax
jne 0x407aba
push 0xc
sub esp, 0x1c
mov ecx, esp
mov dword [esp + 0x38], esp
push 0x416e68
call dword [sym.imp.MSVCP90.dll_public:_void___thiscall_std::basic_string_char__struct_std::char_traits_char___class_std::allocator_char__::constructor_class_std::basic_string_char__struct_std::char_traits_char___class_std::allocator_char___const__]
call fcn.004082c0
add esp, 0x20
jmp 0x407ace
mov eax, dword [esp + 8]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
call esi
mov ecx, dword [esp + 0xc]
push ecx
call esi
mov edx, dword [esp + 8]
mov eax, dword [esp + 0xc]
lea ecx, [esp + 0x117c]
mov dword [0x41663c], edx
mov dword [0x416640], eax
mov dword [esp + 0x1174], 0xffffffff
call dword [sym.imp.MSVCP90.dll_public:_void___thiscall_std::basic_string_char__struct_std::char_traits_char___class_std::allocator_char__::destructor_void_]
mov ecx, dword [esp + 0x116c]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [esp + 0x115c]
xor ecx, esp
call fcn.0040c7c6
add esp, 0x1170
ret 0x1c