PrintWSDAHost[.]dll

Sharing

Copy URL Twitter E-mail

General

Target

PrintWSDAHost.dll
Size

107KB
MD5

deeab30fcc4862e0e763605f03daa479
SHA1

4ffc65c4c8d60055fa0cbb446489466195a74d4f
SHA256

982645041fb2e79f86cd2d88a3b7b27274d65de6bc106ec93cb6518ae0cd0ab2
SHA512

5f2de6ba983c4ffc9da06052d91dfa3b8a288c28f02b9a882738cedfd5a2b3596e68989063e18170dbb4df6fecc5456e84dca21f55b3d8e3d7de537a6b5808b1
SSDEEP

3072:y+8x4Sxf6zA7fPA5oJabgRtHB6DIcJ7i+NH6:yJxf6M7fY6Mbg7BgIcJ3Na

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
PrintWSDAHost.dll

Files

PrintWSDAHost.dll
.dll windows:10 windows x86 arch:x86

cb7dcb70cde73efbe0aa99915a90df37

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

PrintWSDAHost.pdb

Imports

msvcrt

_lock
_initterm
malloc
free
_purecall
_wcsicmp
_vsnwprintf
memcpy_s
memmove_s
_except_handler4_common
wcsrchr
toupper
_unlock
??0exception@@QAE@ABQBD@Z
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
_CxxThrowException
__CxxFrameHandler3
memcpy
memmove
??1type_info@@UAE@XZ
_amsg_exit
_XcptFilter
memcmp
__dllonexit
_callnewh
_onexit
??3@YAXPAX@Z
wcscspn
memset

user32

GetMessageW
DispatchMessageW
TranslateMessage
IsWindow
SendMessageW
GetWindowLongW
DefWindowProcW
GetClientRect
SetForegroundWindow
MapWindowPoints
PostMessageW

rpcrt4

IUnknown_QueryInterface_Proxy
CStdStubBuffer_Disconnect
CStdStubBuffer_DebugServerRelease
CStdStubBuffer_IsIIDSupported
CStdStubBuffer_Connect
NdrDllGetClassObject
NdrDllCanUnloadNow
NdrCStdStubBuffer_Release
CStdStubBuffer_Invoke
IUnknown_AddRef_Proxy
CStdStubBuffer_DebugServerQueryInterface
NdrOleFree
CStdStubBuffer_AddRef
IUnknown_Release_Proxy
CStdStubBuffer_CountRefs
CStdStubBuffer_QueryInterface
NdrOleAllocate

winspool.drv

GetPrinterDriverW
OpenPrinterW
GetPrinterDataExW
ClosePrinter

ntdll

WinSqmIsOptedIn
WinSqmAddToStream

shell32

SHGetKnownFolderItem
SHCreateItemFromRelativeName

combase

ord3
ord2

shlwapi

SHStrDupW
ord240
ord278
ord212
ord16

duser

CreateAction
DeleteHandle

dui70

InitProcessPriv
?Destroy@Element@DirectUI@@QAEJ_N@Z
?DestroyAll@Element@DirectUI@@QAEJ_N@Z
UnInitThread
UnInitProcessPriv
InitThread

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

GetTraceEnableFlags
GetTraceLoggerHandle
RegisterTraceGuidsW
GetTraceEnableLevel
TraceMessage
UnregisterTraceGuids

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

GetProcAddress
GetModuleFileNameA
FindResourceExW
GetModuleHandleW
GetModuleHandleExW
LoadResource
LockResource
DisableThreadLibraryCalls

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

SetRestrictedErrorInfo
RoOriginateError

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

EncodePointer
DecodePointer

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

EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ResetEvent
ReleaseMutex
ReleaseSemaphore
InitializeCriticalSectionEx
SetEvent
WaitForSingleObject
CreateEventW
InitializeSRWLock
AcquireSRWLockShared
ReleaseSRWLockShared
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
OpenSemaphoreW
CreateMutexExW
CreateSemaphoreExW
WaitForSingleObjectEx

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

WakeAllConditionVariable
InitOnceExecuteOnce
Sleep
InitOnceInitialize
SleepConditionVariableSRW

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

QueryPerformanceCounter

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

GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
TerminateProcess

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

GetTickCount
GetSystemTimeAsFileTime

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

RaiseException
GetLastError
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter

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

PropVariantClear
CoCreateInstance
CoGetClassObject
CoReleaseMarshalData
CoMarshalInterThreadInterfaceInStream
CoTaskMemAlloc
CoGetInterfaceAndReleaseStream
CoGetStdMarshalEx
CoTaskMemRealloc
CoTaskMemFree
CoCreateFreeThreadedMarshaler
StringFromGUID2
CoGetMalloc

oleaut32

SysAllocString
BSTR_UserUnmarshal
SysAllocStringLen
SysFreeString
BSTR_UserFree
SysStringLen
BSTR_UserMarshal
BSTR_UserSize

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

WindowsCreateStringReference
WindowsCreateString
WindowsGetStringRawBuffer
WindowsSubstringWithSpecifiedLength
WindowsDuplicateString
WindowsDeleteString

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

MultiByteToWideChar
CompareStringOrdinal

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

RoUninitialize
RoInitialize
RoGetActivationFactory
RoActivateInstance

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

FormatMessageW

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

LocalFree
LocalReAlloc
LocalAlloc

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

RoGetMatchingRestrictedErrorInfo

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

CloseHandle

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

RoGetAgileReference

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

HeapFree
GetProcessHeap
HeapAlloc

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

WaitForThreadpoolTimerCallbacks
SetThreadpoolTimer
CloseThreadpoolTimer
CreateThreadpoolTimer

api-ms-win-devices-query-l1-1-0

DevFreeObjectProperties
DevGetObjectProperties

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

HWND_UserFree
HWND_UserUnmarshal
HWND_UserSize
HWND_UserMarshal

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

EventUnregister
EventWriteTransfer
EventRegister
EventProviderEnabled
EventSetInformation

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

ApiSetQueryApiSetPresence

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 89KB - Virtual size: 89KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cb7dcb70cde73efbe0aa99915a90df37

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

user32

rpcrt4

winspool.drv

ntdll

shell32

combase

shlwapi

duser

dui70

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

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

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

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

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

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

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

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

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

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

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

oleaut32

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-devices-query-l1-1-0

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

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

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

Exports

Exports

Sections

.text Size: 89KB - Virtual size: 89KB

.data Size: 512B - Virtual size: 1KB

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

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 89KB - Virtual size: 89KB

.data
Size: 512B - Virtual size: 1KB

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

.rsrc
Size: 1KB - Virtual size: 1KB

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