Nuvola[.]dll | Triage

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General

Target

Nuvola.dll
Size

18.3MB
MD5

3ddbda0bcfe8df5a8fed70dd4d67e88d
SHA1

49a76c744abd3efa1c874e6c57cb431604a2139a
SHA256

55dcc56f99cccd0bc50c09f779ba4a25b310d7b2c65e1cc55deb4c43ebb4af5e
SHA512

6f0158c891ab2578288e61b379b5c062ccf784b02296295a1c4b893ffadecb070ccabdacf5a3ea7626e8af4812ef219626afccff58eb1e11381100b87ef93761
SSDEEP

196608:PN56C9+R6DxsPxgjA/eE4/+/ASOz44k76sXlgLh/wrkVVrm1iWlM6Tfl4Wrex+j/:5+0geX/+/ASOz44k76sXlgLh/wrjCo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Nuvola.dll

Files

Nuvola.dll
.dll windows:6 windows x64 arch:x64

c9c14b69f205d26ef21aec978d3c1136

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

D:\Github\Nuvola\out\build\x64-Release\Nuvola\Nuvola.pdb

Imports

version

GetFileVersionInfoA
VerQueryValueA
GetFileVersionInfoSizeA

d2d1

ord1
ord2

dbghelp

MiniDumpWriteDump

kernel32

CreateThread
FreeLibraryAndExitThread
GetModuleHandleExA
GetComputerNameA
VirtualProtect
GetCurrentProcess
GetModuleHandleA
K32GetModuleInformation
GetCurrentProcessId
GetCurrentThreadId
CreateDirectoryA
CreateFileA
DeleteFileA
GetFileSize
ReadFile
SetEndOfFile
SetFilePointer
WriteFile
CloseHandle
GetLastError
GetModuleFileNameA
GlobalAlloc
GlobalUnlock
GlobalLock
GlobalFree
MultiByteToWideChar
WideCharToMultiByte
VerSetConditionMask
QueryPerformanceCounter
QueryPerformanceFrequency
FreeLibrary
GetProcAddress
LoadLibraryA
GetSystemInfo
VirtualAlloc
VirtualFree
VirtualQuery
ReadProcessMemory
WriteProcessMemory
OutputDebugStringA
CreateFileMappingW
Sleep
UnmapViewOfFile
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
TlsAlloc
OutputDebugStringW
WriteConsoleW
SetStdHandle
GetTimeZoneInformation
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
SetConsoleCtrlHandler
GetOEMCP
GetACP
IsValidCodePage
HeapQueryInformation
HeapSize
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
HeapReAlloc
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetFileType
GetStdHandle
SetUnhandledExceptionFilter
RtlUnwind
LoadLibraryW
FormatMessageW
HeapAlloc
HeapFree
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetLocaleInfoEx
ExitProcess
MapViewOfFile
GetCurrentThread
ResumeThread
ExitThread
GetModuleFileNameW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
GetSystemTimeAsFileTime
InitializeSListHead
TryAcquireSRWLockExclusive
FormatMessageA
LocalFree
InitializeCriticalSectionAndSpinCount
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetDiskFreeSpaceExW
GetFileAttributesW
GetFileAttributesExW
GetFileInformationByHandle
GetFinalPathNameByHandleW
GetFullPathNameW
SetFileAttributesW
SetFileInformationByHandle
SetFileTime
GetTempPathW
AreFileApisANSI
DeviceIoControl
CreateDirectoryExW
CopyFileW
MoveFileExW
CreateHardLinkW
GetFileInformationByHandleEx
CreateSymbolicLinkW
WaitForSingleObjectEx
SwitchToThread
GetExitCodeThread
GetNativeSystemInfo
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitializeSRWLock
InitOnceExecuteOnce
InitializeConditionVariable
WakeConditionVariable
SleepConditionVariableCS
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
CompareStringEx
GetCPInfo
GetStringTypeW
RtlPcToFileHeader
RaiseException
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
SetLastError
GetModuleHandleExW

user32

GetDpiForWindow
ToAscii
GetKeyboardState
SetCapture
MapVirtualKeyA
DestroyWindow
CreateWindowExA
RegisterClassExA
UnregisterClassA
DefWindowProcA
SetProcessDPIAware
MonitorFromWindow
LoadCursorA
ScreenToClient
ClientToScreen
GetCursorPos
SetCursor
SetCursorPos
GetClientRect
ReleaseDC
GetDC
GetForegroundWindow
ReleaseCapture
OpenClipboard
GetCapture
GetKeyState
TrackMouseEvent
EmptyClipboard
GetClipboardData
SetClipboardData
CloseClipboard
GetKeyboardLayout

gdi32

DeleteObject
GetDeviceCaps
CreateRectRgn

shell32

SHGetFolderPathA

imm32

ImmSetCompositionWindow
ImmSetCandidateWindow
ImmGetContext
ImmReleaseContext

d3dcompiler_47

D3DCompile

dwmapi

DwmEnableBlurBehindWindow
DwmIsCompositionEnabled
DwmGetColorizationColor

ole32

CoCreateFreeThreadedMarshaler

oleaut32

GetErrorInfo
SysAllocString
SysFreeString
SysStringLen
SetErrorInfo

Sections

.text
Size: 4.1MB - Virtual size: 4.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12.5MB - Virtual size: 12.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 222KB - Virtual size: 221KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 436B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 21KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c9c14b69f205d26ef21aec978d3c1136

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

version

d2d1

dbghelp

kernel32

user32

gdi32

shell32

imm32

d3dcompiler_47

dwmapi

ole32

oleaut32

Sections

.text Size: 4.1MB - Virtual size: 4.1MB

.rdata Size: 1.5MB - Virtual size: 1.5MB

.data Size: 12.5MB - Virtual size: 12.6MB

.pdata Size: 222KB - Virtual size: 221KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 436B

.reloc Size: 21KB - Virtual size: 20KB

.text
Size: 4.1MB - Virtual size: 4.1MB

.rdata
Size: 1.5MB - Virtual size: 1.5MB

.data
Size: 12.5MB - Virtual size: 12.6MB

.pdata
Size: 222KB - Virtual size: 221KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 436B

.reloc
Size: 21KB - Virtual size: 20KB