SndVolSSO[.]dll

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General

Target

SndVolSSO.dll
Size

241KB
MD5

72a067a046a1f5f54e645e038be1e170
SHA1

8a81f5d4ecff5c67f0aa56dff0771a5f2d130044
SHA256

13b1c90578e04328c2cf982e12652091d153cb886f72ad37e26e73130f99085e
SHA512

babf654596b0edd3a06462b22bdadcae2d3b1bb26bc691af2c2c61790e1160a20acdada83ea5ed301bbe4f4bca32d95ee8911199c766758d36f5c410f238166a
SSDEEP

3072:L2tRf3j2Uq+SXdMXF/tFgoVBobAjpHq9LaZtCVjQnlGbJbTJmbs8L/ALXjsTqkNM:LsAR+Sw/9/sR9X4Tqk82ZjRWrtN

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
SndVolSSO.dll

Files

SndVolSSO.dll
.dll windows:10 windows x86 arch:x86

73e3dde7105bd4eca44108daf91bad54

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

SndVolSSO.pdb

Imports

msvcrt

_aligned_free
_aligned_malloc
_ftol2
_ftol2_sse
_CxxThrowException
__CxxFrameHandler3
memcmp
memcpy
_CIsin
realloc
_errno
_except_handler4_common
??1type_info@@UAE@XZ
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
_initterm
_amsg_exit
_XcptFilter
_callnewh
malloc
free
_wcsicmp
_get_errno
_set_errno
_ultoa_s
swprintf_s
_scwprintf
memmove_s
_purecall
_wcsnicmp
_resetstkoflw
rand
srand
_vsnprintf_s
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
??1exception@@UAE@XZ
memcpy_s
_vsnwprintf
floor
memset

api-ms-win-core-libraryloader-l1-2-0

FreeLibraryAndExitThread
FindResourceExW
GetModuleHandleW
LockResource
FreeLibrary
GetProcAddress
LoadLibraryExW
LoadStringW
GetModuleHandleExW
GetModuleFileNameA
LoadResource
SizeofResource
LoadLibraryExA

api-ms-win-core-synch-l1-1-0

LeaveCriticalSection
WaitForSingleObjectEx
InitializeCriticalSectionEx
DeleteCriticalSection
OpenSemaphoreW
OpenEventW
CreateMutexExW
SetEvent
CreateMutexW
CreateEventExW
ReleaseMutex
WaitForSingleObject
ReleaseSemaphore
InitializeCriticalSection
CreateSemaphoreExW
EnterCriticalSection
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AcquireSRWLockShared
ReleaseSRWLockShared

api-ms-win-core-heap-l1-1-0

HeapDestroy
HeapReAlloc
HeapAlloc
HeapFree
GetProcessHeap
HeapSize

api-ms-win-core-errorhandling-l1-1-0

UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetLastError
SetLastError
RaiseException

api-ms-win-core-processthreads-l1-1-0

CreateProcessW
CreateThread
TerminateProcess
GetCurrentProcessId
ProcessIdToSessionId
OpenProcessToken
GetCurrentProcess
GetCurrentThreadId

api-ms-win-core-localization-l1-2-0

GetUserDefaultLCID
GetUserPreferredUILanguages
GetLocaleInfoEx
FormatMessageW

api-ms-win-core-debug-l1-1-0

DebugBreak
IsDebuggerPresent
OutputDebugStringW
OutputDebugStringA

api-ms-win-core-handle-l1-1-0

CloseHandle

rpcrt4

RpcBindingFree
RpcStringFreeW
RpcBindingFromStringBindingW
RpcStringBindingComposeW

api-ms-win-core-com-l1-1-0

CoCreateInstance
CLSIDFromString
CoTaskMemRealloc
CoCreateFreeThreadedMarshaler
CoInitializeEx
StringFromCLSID
CoGetApartmentType
PropVariantClear
CoTaskMemAlloc
CoGetMalloc
CoUninitialize
CoTaskMemFree
StringFromGUID2
CoWaitForMultipleHandles
CoCreateGuid

api-ms-win-core-heap-l2-1-0

LocalFree

api-ms-win-core-registry-l1-1-0

RegGetValueW
RegQueryValueExW
RegCreateKeyExW
RegSetValueExW
RegCloseKey
RegOpenKeyExW

api-ms-win-core-synch-l1-2-0

Sleep
SleepConditionVariableSRW
InitOnceComplete
WakeAllConditionVariable
InitOnceExecuteOnce
InitOnceBeginInitialize

api-ms-win-core-processenvironment-l1-1-0

ExpandEnvironmentStringsW

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetTickCount
GetVersionExW
GetTickCount64
GetSystemDirectoryW

api-ms-win-core-libraryloader-l1-2-1

LoadLibraryW

api-ms-win-core-winrt-string-l1-1-0

WindowsGetStringLen
WindowsDeleteString
WindowsCreateStringReference
WindowsCompareStringOrdinal
WindowsCreateString
WindowsGetStringRawBuffer

api-ms-win-core-winrt-l1-1-0

RoActivateInstance
RoGetActivationFactory

api-ms-win-core-threadpool-l1-2-0

WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolTimer
CloseThreadpoolWork
CreateThreadpoolWork
SetThreadpoolTimer
SubmitThreadpoolWork

api-ms-win-core-processthreads-l1-1-1

OpenProcess
IsProcessorFeaturePresent
FlushInstructionCache

api-ms-win-core-psapi-l1-1-0

QueryFullProcessImageNameW

api-ms-win-core-string-l1-1-0

CompareStringOrdinal

api-ms-win-security-base-l1-1-0

GetTokenInformation

api-ms-win-security-sddl-l1-1-0

ConvertSidToStringSidW

api-ms-win-core-memory-l1-1-0

VirtualAlloc
VirtualFree

api-ms-win-core-util-l1-1-0

DecodePointer
EncodePointer

api-ms-win-core-interlocked-l1-1-0

InterlockedPushEntrySList
InterlockedPopEntrySList

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-eventing-provider-l1-1-0

EventWriteTransfer
EventSetInformation
EventRegister
EventUnregister

api-ms-win-core-kernel32-legacy-l1-1-0

MulDiv

ntdll

EtwEventWriteTransfer
NtQueryWnfStateData
RtlEqualWnfChangeStamps
RtlNtStatusToDosError
RtlPublishWnfStateData
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
EtwGetTraceEnableFlags
EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle
RtlUnsubscribeWnfNotificationWaitForCompletion
RtlSubscribeWnfStateChangeNotification
RtlQueryWnfStateData
EtwTraceMessage
EtwEventSetInformation
EtwEventUnregister
EtwEventRegister

api-ms-win-appmodel-runtime-l1-1-0

PackageFamilyNameFromFullName
GetPackageFamilyName

api-ms-win-appmodel-runtime-l1-1-1

GetStagedPackageOrigin

mmdevapi

ord28

ole32

CoAllowSetForegroundWindow

user32

GetMenuInfo
SetPropW
SetMenuInfo
RemovePropW
GetCurrentInputMessageSource
GetParent
GetDpiForWindow
AreDpiAwarenessContextsEqual
DrawTextExW
GetWindowDpiAwarenessContext
GetPropW
SetMessageExtraInfo
GetDC
SystemParametersInfoW
ReleaseDC
GetWindowBand
GetMessageExtraInfo
GetMenuItemInfoW
DrawIconEx
GetSystemMetricsForDpi
DrawTextW
GetDpiForSystem
GetClassNameW
PrivateExtractIconsW
LoadIconW
LoadImageW
MonitorFromWindow
FindWindowW
SetForegroundWindow
WindowFromPoint
PostMessageW
BringWindowToTop
UnregisterClassA
DispatchMessageW
TranslateMessage
GetMessageW
GetRawInputDeviceList
SendMessageW
RegisterRawInputDevices
GetRawInputDeviceInfoW
GetRawInputData
CreateWindowExW
LoadCursorW
GetClassInfoExW
RegisterClassExW
DestroyWindow
EnumWindows
IsImmersiveProcess
DestroyIcon
IsWindow
GetWindowThreadProcessId
IsWindowVisible
GetWindow
InternalGetWindowText
CallWindowProcW
SetWindowLongW
SendNotifyMessageW
DefWindowProcW
KillTimer
RegisterWindowMessageW
SetTimer
SetMenuItemInfoW
AppendMenuW
TrackPopupMenuEx
DeleteMenu
EnableMenuItem
GetWindowLongW
MonitorFromPoint
GetSubMenu
LoadMenuW
GetMonitorInfoW

api-ms-win-service-management-l1-1-0

CloseServiceHandle
OpenServiceW
OpenSCManagerW

api-ms-win-service-winsvc-l1-1-0

QueryServiceStatus

api-ms-win-service-management-l2-1-0

NotifyServiceStatusChangeW

shcore

SHTaskPoolQueueTask

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

api-ms-win-core-apiquery-l1-1-0

ApiSetQueryApiSetPresence

gdi32

CreateFontIndirectW
SetTextColor
DeleteDC
StretchBlt
GdiAlphaBlend
CreateCompatibleDC
CreateDIBSection
SelectObject
BitBlt
GetCurrentObject
CreateSolidBrush
DeleteObject
GetDeviceCaps
GetObjectW
SetStretchBltMode
ExcludeClipRect
SetBkMode

uxtheme

DrawThemeBackground
DrawThemeTextEx
GetThemeColor
GetThemeFont
OpenThemeData
CloseThemeData

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllMain

Sections

.text
Size: 211KB - Virtual size: 211KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 204B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

73e3dde7105bd4eca44108daf91bad54

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-heap-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-localization-l1-2-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-handle-l1-1-0

rpcrt4

api-ms-win-core-com-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-registry-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-libraryloader-l1-2-1

api-ms-win-core-winrt-string-l1-1-0

api-ms-win-core-winrt-l1-1-0

api-ms-win-core-threadpool-l1-2-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-psapi-l1-1-0

api-ms-win-core-string-l1-1-0

api-ms-win-security-base-l1-1-0

api-ms-win-security-sddl-l1-1-0

api-ms-win-core-memory-l1-1-0

api-ms-win-core-util-l1-1-0

api-ms-win-core-interlocked-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-kernel32-legacy-l1-1-0

ntdll

api-ms-win-appmodel-runtime-l1-1-0

api-ms-win-appmodel-runtime-l1-1-1

mmdevapi

ole32

user32

api-ms-win-service-management-l1-1-0

api-ms-win-service-winsvc-l1-1-0

api-ms-win-service-management-l2-1-0

shcore

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

api-ms-win-core-apiquery-l1-1-0

gdi32

uxtheme

Exports

Exports

Sections

.text Size: 211KB - Virtual size: 211KB

.data Size: 1KB - Virtual size: 5KB

.idata Size: 11KB - Virtual size: 10KB

.didat Size: 512B - Virtual size: 204B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 13KB - Virtual size: 12KB

.text
Size: 211KB - Virtual size: 211KB

.data
Size: 1KB - Virtual size: 5KB

.idata
Size: 11KB - Virtual size: 10KB

.didat
Size: 512B - Virtual size: 204B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 13KB - Virtual size: 12KB