Function at 0x4b3aa0
Capabilities:
Create process on windows
Delete file
Write and execute a file
Write file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x42c]
sub esp, 0x42c
push 0xffffffffffffffff
push 0x64d098
mov eax, dword fs:[0]
push eax
sub esp, 0x18
mov eax, dword [0x755898]
xor eax, ebp
mov dword [ebp + 0x428], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov eax, dword [ebp + 0x434]
mov dword [ebp - 0x18], eax
mov ecx, dword [ebp + 0x438]
mov dword [ebp - 0x14], ecx
xor ebx, ebx
mov dword [ebp - 4], ebx
xor esi, esi
mov dword [ebp - 0x24], esi
push str.shlwapi.dll
call fcn.00447580
add esp, 4
mov edi, eax
cmp edi, ebx
je 0x4b3bbd
push str.AssocQueryStringW
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
cmp eax, ebx
je 0x4b3bab
mov dword [ebp - 0x20], 0x104
lea edx, [ebp - 0x20]
push edx
lea ecx, [ebp + 0x18]
push ecx
push str.open
push 0x6799e0
push 2
push ebx
call eax
test eax, eax
jne 0x4b3bab
push 0x5c
lea edx, [ebp + 0x18]
push edx
call fcn.0061ce13
add esp, 8
cmp eax, ebx
je 0x4b3bab
add eax, 2
push eax
call fcn.004b2560
add esp, 4
test al, al
je 0x4b3bab
mov eax, dword [ebp - 0x14]
push eax
lea ecx, [ebp]
call fcn.00406f80
mov byte [ebp - 4], 1
mov eax, dword [ebp]
cmp eax, ebx
jne 0x4b3b81
lea eax, [ebp + 4]
push 1
push ebx
push eax
lea ecx, [ebp + 0x18]
push ecx
push str.open
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
mov esi, 1
mov dword [ebp - 0x24], esi
mov byte [ebp - 4], bl
lea ecx, [ebp]
call fcn.00401210
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp esi, ebx
je 0x4b3bbd
mov al, 1
jmp 0x4b3d55
mov dword [ebp + 0xc], ebx
mov dword [ebp + 0x14], ebx
xor eax, eax
mov word [ebp + 0x10], ax
mov byte [ebp - 4], 2
mov eax, dword [0x75ac2c]
cmp eax, ebx
jne 0x4b3bdb
mov eax, 0x75ac30
push ebx
push str.temp.htm
push eax
push 0x675de0
lea ecx, [ebp + 0xc]
call fcn.00402320
mov eax, dword [ebp + 0xc]
cmp eax, ebx
jne 0x4b3bf9
lea eax, [ebp + 0x10]
push 0x6877e0
push eax
call fcn.0061ffcd
add esp, 8
mov esi, eax
cmp esi, ebx
je 0x4b3c25
push esi
push 0xd
push 1
push str._HTML__HTML_
call fcn.0061fe85
push esi
call fcn.0061fca7
add esp, 0x14
push 0x208
push ebx
lea ecx, [ebp + 0x220]
push ecx
call fcn.0061d9e0
add esp, 0xc
mov eax, dword [ebp + 0xc]
cmp eax, ebx
jne 0x4b3c44
lea eax, [ebp + 0x10]
lea edx, [ebp + 0x220]
push edx
push ebx
push eax
call dword [sym.imp.SHELL32.dll_FindExecutableW]
cmp eax, 0x20
jle 0x4b3cb4
lea eax, [ebp + 0x220]
lea edx, [eax + 2]
mov cx, word [eax]
add eax, 2
cmp cx, bx
jne 0x4b3c61
sub eax, edx
sar eax, 1
je 0x4b3cb4
mov eax, dword [ebp - 0x14]
push eax
lea ecx, [ebp]
call fcn.00406f80
mov byte [ebp - 4], 3
mov eax, dword [ebp]
cmp eax, ebx
jne 0x4b3c8c
lea eax, [ebp + 4]
push 1
push ebx
push eax
lea ecx, [ebp + 0x220]
push ecx
push str.open
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
mov byte [ebp - 4], 2
lea ecx, [ebp]
call fcn.00401210
jmp 0x4b3ccb
push 1
push ebx
push ebx
mov eax, dword [ebp - 0x14]
push eax
push 0x675dbc
mov ecx, dword [ebp - 0x18]
push ecx
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov eax, dword [ebp + 0xc]
cmp eax, ebx
jne 0x4b3cd5
lea eax, [ebp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov byte [ebp - 4], bl
lea ecx, [ebp + 0xc]
call fcn.00401210
mov dword [ebp - 4], 0xffffffff
mov al, 1
jmp 0x4b3d55
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp + 0x428]
xor ecx, ebp
call fcn.0061d2ff
add ebp, 0x42c
mov esp, ebp
pop ebp
ret