dwmapi[.]dll | Triage

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General

Target

dwmapi.dll
Size

136KB
MD5

ce82caba8144ce64f25b232360ae6839
SHA1

514e5a9911f0f2fd8b6e6c6ccab9d7ef01c0d31a
SHA256

4461ff05c320a227af6eb9c281c4c3db77f7da4452e1870930fed308a29914d7
SHA512

b73daed35fac10916eca7d15800b45c84549c0f4eb4e3938034e3b1025855509e7e62330043128158fcd8e350fe438e10828f1fb60fbe40d4c1e80eb1dc03402
SSDEEP

3072:8pI1GBtPpXYKhD9lnU4zc7tlsS50pS0i05hDkJfCrfI/JpDE4a:K32Q9l1A7UVnkMrfIPu

Score

1^/10

Malware Config

Signatures

Files

dwmapi.dll
.dll windows:10 windows x86 arch:x86

68b6dcd962f05c3998994efcf2e2e012

Code Sign

33:00:00:04:60:cf:42:a9:12:31:5f:6f:b3:00:00:00:00:04:60
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

16/11/2023, 19:20

Not After

14/11/2024, 19:20

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

ac:4f:e7:80:56:a7:a7:e7:38:ba:a9:40:42:93:45:56:c6:2e:ce:c4:2c:36:40:e8:e5:60:b9:8a:fc:c0:a7:bd
Signer

Actual PE Digest

ac:4f:e7:80:56:a7:a7:e7:38:ba:a9:40:42:93:45:56:c6:2e:ce:c4:2c:36:40:e8:e5:60:b9:8a:fc:c0:a7:bd

Digest Algorithm

sha256

PE Digest Matches

true

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

dwmapi.pdb

Imports

msvcrt

memcmp
floor
_ftol2
memcpy
malloc
free
_amsg_exit
_XcptFilter
_onexit
_initterm
__dllonexit
_unlock
_lock
wcsrchr
_vsnwprintf
memmove_s
_purecall
memcpy_s
_except_handler4_common
memset

ntdll

WinSqmIsOptedIn
EtwEventRegister
EtwEventUnregister
EtwEventSetInformation
EtwEventWriteTransfer
RtlInsertElementGenericTable
NtAlpcSendWaitReceivePort
NtConnectPort
NtMapViewOfSection
NtUnmapViewOfSection
NtCreateSection
NtCreateEvent
RtlInitUnicodeString
DbgPrompt
NtQuerySystemInformation
RtlCaptureStackBackTrace
DbgPrintEx
RtlDeleteElementGenericTable
RtlEnumerateGenericTableWithoutSplaying
RtlNumberGenericTableElements
WinSqmAddToStream
SbSelectProcedure
RtlFreeSid
RtlFreeHeap
RtlSetDaclSecurityDescriptor
RtlAddAccessAllowedAce
RtlCreateAcl
RtlCreateSecurityDescriptor
RtlAllocateHeap
RtlLengthSid
RtlAllocateAndInitializeSid
RtlInitializeGenericTable
RtlLookupElementGenericTable

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

GetModuleHandleW
GetProcAddress
GetModuleHandleExW
GetModuleFileNameW
DisableThreadLibraryCalls
GetModuleFileNameA

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

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

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

HeapFree
GetProcessHeap
HeapAlloc
HeapReAlloc

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

SetUnhandledExceptionFilter
SetLastError
GetLastError
UnhandledExceptionFilter

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

CloseThreadpoolTimer
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks

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

GetCurrentThreadId
TerminateProcess
GetCurrentThread
TerminateThread
GetCurrentProcess
GetCurrentProcessId

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

FormatMessageW

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

IsDebuggerPresent
DebugBreak
OutputDebugStringW

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

CloseHandle

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

RegCreateKeyExW
RegCloseKey
RegSetValueExW
RegDeleteValueW
RegQueryValueExW
RegGetValueW
RegOpenKeyExW

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

LoadLibraryW

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

Sleep
InitOnceBeginInitialize
InitOnceComplete
InitOnceExecuteOnce
WakeAllConditionVariable
SleepConditionVariableSRW

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

QueryPerformanceCounter
QueryPerformanceFrequency

api-ms-win-core-errorhandling-l1-1-3

TerminateProcessOnMemoryExhaustion

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

RaiseFailFastException

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

LocalFree

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

GetSystemTimeAsFileTime
GetTickCount

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

MulDiv

win32u

NtDCompositionRegisterVirtualDesktopVisual
NtDCompositionSetChildRootVisual
NtDCompositionRegisterThumbnailVisual
NtDCompositionDuplicateSwapchainHandleToDwm

user32

GetDC
TrackMouseEvent
GetAncestor
GetWindowRect
SetWindowCompositionAttribute
GetClientRect
ord2574
RemovePropW
DwmGetDxSharedSurface
IsThreadDesktopComposited
GetSystemMetrics
IsTopLevelWindow
GetPropW
GetWindowCompositionAttribute
SetWindowCompositionTransition
SetWinEventHook
ord2635
UnhookWinEvent
SystemParametersInfoW
GetCapture
GetWindowThreadProcessId
UpdateDefaultDesktopThumbnail
GetShellWindow
GetWindowLongW
MonitorFromWindow
ReleaseDC
GetWindow
GetWindowInfo
ord2557
GetGuiResources
GetPointerInfo

gdi32

SelectObject
Rectangle
ord1005
ScaleValues
ScaleRgn
GetRegionData
GetObjectW
CreateCompatibleDC
CreateDIBSection
StretchDIBits
GdiAlphaBlend
GetStockObject
DeleteDC
DeleteObject
GetDIBits

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

EncodePointer
DecodePointer

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

RoOriginateError

api-ms-win-gdi-dpiinfo-l1-1-0

GetCurrentDpiInfo

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

QuirkIsEnabled

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

EventWriteTransfer

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DwmAttachMilContent
DwmDefWindowProc
DwmDetachMilContent
DwmEnableBlurBehindWindow
DwmEnableComposition
DwmEnableMMCSS
DwmExtendFrameIntoClientArea
DwmFlush
DwmGetColorizationColor
DwmGetCompositionTimingInfo
DwmGetGraphicsStreamClient
DwmGetGraphicsStreamTransformHint
DwmGetTransportAttributes
DwmGetUnmetTabRequirements
DwmGetWindowAttribute
DwmInvalidateIconicBitmaps
DwmIsCompositionEnabled
DwmModifyPreviousDxFrameDuration
DwmQueryThumbnailSourceSize
DwmRegisterThumbnail
DwmRenderGesture
DwmSetDxFrameDuration
DwmSetIconicLivePreviewBitmap
DwmSetIconicThumbnail
DwmSetPresentParameters
DwmSetWindowAttribute
DwmShowContact
DwmTetherContact
DwmTetherTextContact
DwmTransitionOwnedWindow
DwmUnregisterThumbnail
DwmUpdateThumbnailProperties
DwmpAllocateSecurityDescriptor
DwmpDxGetWindowSharedSurface
DwmpDxUpdateWindowSharedSurface
DwmpDxgiIsThreadDesktopComposited
DwmpEnableDDASupport
DwmpFreeSecurityDescriptor
DwmpGetColorizationParameters
DwmpRenderFlick
DwmpSetColorizationParameters
DwmpUpdateProxyWindowForCapture

Sections

.text
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 28B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

68b6dcd962f05c3998994efcf2e2e012

Code Sign

33:00:00:04:60:cf:42:a9:12:31:5f:6f:b3:00:00:00:00:04:60Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

ac:4f:e7:80:56:a7:a7:e7:38:ba:a9:40:42:93:45:56:c6:2e:ce:c4:2c:36:40:e8:e5:60:b9:8a:fc:c0:a7:bdSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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-threadpool-l1-2-0

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

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

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

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

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

api-ms-win-core-errorhandling-l1-1-3

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

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

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

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

win32u

user32

gdi32

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

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

api-ms-win-gdi-dpiinfo-l1-1-0

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

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

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

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

Exports

Exports

Sections

.text Size: 93KB - Virtual size: 92KB

.data Size: 1024B - Virtual size: 8KB

.idata Size: 7KB - Virtual size: 6KB

.didat Size: 512B - Virtual size: 28B

.rsrc Size: 18KB - Virtual size: 18KB

.reloc Size: 5KB - Virtual size: 4KB

33:00:00:04:60:cf:42:a9:12:31:5f:6f:b3:00:00:00:00:04:60
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

ac:4f:e7:80:56:a7:a7:e7:38:ba:a9:40:42:93:45:56:c6:2e:ce:c4:2c:36:40:e8:e5:60:b9:8a:fc:c0:a7:bd
Signer

.text
Size: 93KB - Virtual size: 92KB

.data
Size: 1024B - Virtual size: 8KB

.idata
Size: 7KB - Virtual size: 6KB

.didat
Size: 512B - Virtual size: 28B

.rsrc
Size: 18KB - Virtual size: 18KB

.reloc
Size: 5KB - Virtual size: 4KB