Function at 0x1001a658
Capabilities:
Check if file exists
Get file attributes
Query or enumerate registry value
Set registry value
Write file on windows

Disassembly:
push ebp
mov ebp, esp
mov ecx, 7
push 0
push 0
dec ecx
jne 0x1001a660
push ecx
push ebx
push esi
push edi
mov edi, edx
mov esi, eax
xor eax, eax
push ebp
push 0x1001a8de
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, esi
call fcn.1001a48c
push esi
call sub.KERNEL32.dll_GetFileAttributesW
cmp eax, 0xffffffff
sete bl
test edi, edi
je 0x1001a69a
mov eax, ebx
xor al, 1
mov byte [edi], al
lea eax, [ebp - 0x10]
push eax
push 0xf003f
push 0
lea edx, [ebp - 0x28]
mov eax, 0x1001a8f8
call fcn.1000ccec
push dword [ebp - 0x28]
push 0x1001a924
lea edx, [ebp - 0x2c]
mov eax, 0x1001a930
call fcn.1000ccec
push dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
mov edx, 3
call fcn.1000a808
mov eax, dword [ebp - 0x24]
call fcn.1000a948
push eax
push SysFreeString
call sub.ADVAPI32.dll_RegOpenKeyExA
not eax
test eax, eax
jne 0x1001a6f5
xor eax, eax
mov dword [ebp - 0x10], eax
mov dword [ebp - 8], 8
mov dword [ebp - 0xc], 4
test bl, bl
jne 0x1001a7b5
cmp dword [ebp - 0x10], 0
je 0x1001a7b5
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x20]
push eax
push 0
lea edx, [ebp - 0x30]
mov eax, 0x1001a944
call fcn.1000ccec
mov eax, dword [ebp - 0x30]
call fcn.1000a948
push eax
mov eax, dword [ebp - 0x10]
push eax
call sub.ADVAPI32.dll_RegQueryValueExA
test eax, eax
jne 0x1001a7b5
cmp dword [ebp - 0x20], 3
jne 0x1001a7b5
cmp dword [ebp - 8], 8
jne 0x1001a7b5
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0x20]
push eax
push 0
lea edx, [ebp - 0x34]
mov eax, 0x1001a954
call fcn.1000ccec
mov eax, dword [ebp - 0x34]
call fcn.1000a948
push eax
mov eax, dword [ebp - 0x10]
push eax
call sub.ADVAPI32.dll_RegQueryValueExA
test eax, eax
jne 0x1001a7b5
cmp dword [ebp - 0x20], 3
jne 0x1001a7b5
cmp dword [ebp - 0xc], 4
jne 0x1001a7b5
cmp dword [ebp - 0x14], 0x10000
jne 0x1001a7a3
cmp dword [ebp - 0x18], 0x10000
jbe 0x1001a7b5
jmp 0x1001a7a5
jle 0x1001a7b5
mov eax, esi
call fcn.1001a3d8
cmp eax, dword [ebp - 0x1c]
je 0x1001a8aa
push 0
push 0
push 2
push 0
push 0
push 0xc0000000
push esi
call sub.KERNEL32.dll_CreateFileW
mov edi, eax
cmp edi, 0xffffffff
je 0x1001a8a6
cmp byte [0x10029c80], 0
je 0x1001a7ed
lea edx, [ebp - 4]
mov eax, 0x1001a968
call fcn.1001a5c4
jmp 0x1001a7fa
lea edx, [ebp - 4]
mov eax, 0x1001a968
call fcn.1001a5c4
push 0
lea eax, [ebp - 8]
push eax
mov eax, dword [ebp - 4]
call fcn.1000a748
push eax
mov eax, dword [ebp - 4]
push eax
push edi
call sub.KERNEL32.dll_WriteFile
test eax, eax
je 0x1001a824
mov eax, dword [ebp - 4]
call fcn.1000a748
cmp eax, dword [ebp - 8]
je 0x1001a828
xor ebx, ebx
jmp 0x1001a82a
mov bl, 1
push edi
call sub.KERNEL32.dll_CloseHandle
test bl, bl
je 0x1001a8ac
cmp dword [ebp - 0x10], 0
je 0x1001a8ac
mov dword [ebp - 0x18], 0x10000
mov dword [ebp - 0x14], 0x10000
mov eax, esi
call fcn.1001a3d8
mov dword [ebp - 0x1c], eax
push 8
lea eax, [ebp - 0x18]
push eax
push 3
push 0
mov eax, 0x1001a944
lea edx, [ebp - 0x38]
call fcn.1000ccec
mov eax, dword [ebp - 0x38]
call fcn.1000a948
push eax
mov eax, dword [ebp - 0x10]
push eax
call sub.ADVAPI32.dll_RegSetValueExA
push 4
lea eax, [ebp - 0x1c]
push eax
push 3
push 0
mov eax, 0x1001a954
lea edx, [ebp - 0x3c]
call fcn.1000ccec
mov eax, dword [ebp - 0x3c]
call fcn.1000a948
push eax
mov eax, dword [ebp - 0x10]
push eax
call sub.ADVAPI32.dll_RegSetValueExA
jmp 0x1001a8ac
xor ebx, ebx
jmp 0x1001a8ac
mov bl, 1
cmp dword [ebp - 0x10], 0
je 0x1001a8bb
mov eax, dword [ebp - 0x10]
push eax
call sub.ADVAPI32.dll_RegCloseKey
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x1001a8e5
lea eax, [ebp - 0x3c]
mov edx, 7
call fcn.1000a50c
lea eax, [ebp - 4]
call fcn.1000a4e8
ret