dwm[.]exe | Triage

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General

Target

dwm.exe
Size

49KB
MD5

5ce3cca35d8b19967b25806b7ff69d0f
SHA1

2371c02842fd9670fa47b2eae4cb08fa7a6070c1
SHA256

5954a267c8f271798ec0ac18d5f67f21a70b47258b10601511ca2109fffdcf71
SHA512

e8726804478c54f122cea6435d9538fff3d6694a93b2a367f78d70ba8309b0ab2612a50e698a7df48ddc1a7afec4d9a9d51d8b40338b2ca5b6e31f7e4ec9d519
SSDEEP

1536:XTjrLnX87oRLb0Pi3DoaegoWRottVMaq:/X1OPUr9oHtYaq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dwm.exe

Files

dwm.exe
.exe windows x64

cc05edb80f10f1d5e7ec964b8c83f969

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

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

_initterm_e
_c_exit
_register_thread_local_exe_atexit_callback
_initterm

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

memset

api-ms-win-crt-private-l1-1-0

_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__exit
_o__get_wide_winmain_command_line
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__wcsicmp
_o__wtof
_o_exit
_o_free
_o_terminate
__C_specific_handler
_o___p__commode
memcpy
_o___stdio_common_vswprintf

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

WerSetFlags

api-ms-win-eventlog-legacy-l1-1-0

DeregisterEventSource
ReportEventW
RegisterEventSourceW

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

GetModuleHandleW
GetProcAddress

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

TerminateThread
OpenProcessToken
GetCurrentThread
ExitProcess
GetCurrentProcess
GetCurrentThreadId
SetPriorityClass
TerminateProcess
GetCurrentProcessId
GetStartupInfoW

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

IsDebuggerPresent

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

SetErrorMode
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError

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

AcquireSRWLockShared
InitializeSRWLock
ReleaseSRWLockShared
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
ReleaseSRWLockExclusive
AcquireSRWLockExclusive

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

CheckTokenMembership
AdjustTokenPrivileges

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

CloseHandle

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

GetProcessHeap
HeapFree
HeapAlloc
HeapSetInformation

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

RegCloseKey
RegGetValueW
RegQueryValueExW
RegOpenKeyExW
RegSetValueExW

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

RtlLookupFunctionEntry
RtlCaptureStackBackTrace
RtlVirtualUnwind
RtlCaptureContext

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

IsProcessorFeaturePresent

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

GetNativeSystemInfo

api-ms-win-composition-redirection-l1-1-0

DwmInitializeEngine
DwmInitializePort

api-ms-win-composition-windowmanager-l1-1-0

ord101

api-ms-win-dx-d3dkmt-l1-1-0

D3DKMTSetProcessSchedulingPriorityClass

api-ms-win-rtcore-ntuser-private-l1-1-0

RegisterSessionPort

api-ms-win-rtcore-ntuser-private-l1-1-2

DwmKernelStartup

api-ms-win-rtcore-ntuser-window-l1-1-0

PostMessageW
GetMessageW
TranslateMessage
DispatchMessageW
RegisterClassExW
CreateWindowExW
PostQuitMessage
DefWindowProcW
DestroyWindow

ntdll

EtwEventEnabled
DbgPrompt
EtwEventWriteTransfer
NtConnectPort
NtRequestWaitReplyPort
RtlInitUnicodeString
EtwEventRegister
NtSetInformationProcess
RtlFreeSid
RtlAllocateAndInitializeSid
NtQueryInformationProcess
NtQuerySystemInformation
DbgPrintEx
NtRequestPort

dxgi

DXGIDeclareAdapterRemovalSupport

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

ApiSetQueryApiSetPresence

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

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

TerminateProcessOnMemoryExhaustion

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

RaiseFailFastException

Sections

.text
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 144B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cc05edb80f10f1d5e7ec964b8c83f969

Headers

DLL Characteristics

File Characteristics

Imports

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

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

api-ms-win-crt-private-l1-1-0

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

api-ms-win-eventlog-legacy-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-composition-redirection-l1-1-0

api-ms-win-composition-windowmanager-l1-1-0

api-ms-win-dx-d3dkmt-l1-1-0

api-ms-win-rtcore-ntuser-private-l1-1-0

api-ms-win-rtcore-ntuser-private-l1-1-2

api-ms-win-rtcore-ntuser-window-l1-1-0

ntdll

dxgi

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

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

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

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

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

Sections

.text Size: 21KB - Virtual size: 21KB

.rdata Size: 15KB - Virtual size: 14KB

.data Size: 512B - Virtual size: 14KB

.pdata Size: 2KB - Virtual size: 1KB

.didat Size: 512B - Virtual size: 144B

.rsrc Size: 8KB - Virtual size: 7KB

.reloc Size: 512B - Virtual size: 152B

.text
Size: 21KB - Virtual size: 21KB

.rdata
Size: 15KB - Virtual size: 14KB

.data
Size: 512B - Virtual size: 14KB

.pdata
Size: 2KB - Virtual size: 1KB

.didat
Size: 512B - Virtual size: 144B

.rsrc
Size: 8KB - Virtual size: 7KB

.reloc
Size: 512B - Virtual size: 152B