LockScreenData[.]dll

Sharing

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General

Target

LockScreenData.dll
Size

279KB
MD5

cfdf812599ca9efe177e1a6a06369ba8
SHA1

ba55e74d7f2a903b17b7606a6ddaa2b8926c441e
SHA256

631c0b5cad2f8f07b4ba45a27a82666778c1bbf1ebcccffc30357406d47ed698
SHA512

dbe74be935e0079110bfd6af8c3e1064ca1d0b6fb26bda21d0772b01abebd865e531ac628cedc6219d4baeb48ca3a8788b415d5cc9da7c820f8428c992d07625
SSDEEP

6144:cAVU/EvnB6Iz36PbbYNsfyDxGPLpFhIL4KqoKkQ87vyVEda4:NTz3O0Ns6Dapj3Kqogaap4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
LockScreenData.dll

Files

LockScreenData.dll
.dll windows:10 windows x86 arch:x86

e81140f75f8cbcd28b59d599d48c4afb

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

LockScreenData.pdb

Imports

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

_initterm
_initterm_e

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

_o__get_errno
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
_o__seh_filter_dll
_o__set_errno
memmove
_o__wtoi
_o_free
_o_iswspace
_o_malloc
_o_realloc
_o_terminate
_except_handler4_common
_o__cexit
_o__callnewh
_o__execute_onexit_table
_o__errno
_o__crt_atexit
_o___stdio_common_vswprintf
_o__configure_narrow_argv
_CxxThrowException
wcschr
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
__std_terminate
__CxxFrameHandler3
memcmp
memcpy

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

memset

rpcrt4

NdrOleAllocate
NdrCStdStubBuffer2_Release
NdrDllGetClassObject
CStdStubBuffer_Disconnect
CStdStubBuffer_Invoke
NdrStubForwardingFunction
NdrStubCall2
NdrDllCanUnloadNow
IUnknown_AddRef_Proxy
NdrCStdStubBuffer_Release
CStdStubBuffer_DebugServerQueryInterface
CStdStubBuffer_QueryInterface
NdrOleFree
CStdStubBuffer_AddRef
IUnknown_Release_Proxy
CStdStubBuffer_CountRefs
CStdStubBuffer_Connect
IUnknown_QueryInterface_Proxy
CStdStubBuffer_IsIIDSupported
CStdStubBuffer_DebugServerRelease

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

FormatMessageW

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

GetCurrentProcess
GetCurrentProcessId
TerminateProcess
GetCurrentThreadId

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

GetProcessHeap
HeapFree
HeapAlloc

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

GetModuleFileNameA
DisableThreadLibraryCalls
GetModuleHandleExW
GetModuleHandleW
FreeLibrary
GetProcAddress

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

IsDebuggerPresent
DebugBreak
OutputDebugStringW

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

SetLastError
UnhandledExceptionFilter
RaiseException
SetUnhandledExceptionFilter
GetLastError

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

CloseHandle

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

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

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

HSTRING_UserFree
WindowsCompareStringOrdinal
HSTRING_UserUnmarshal
WindowsDuplicateString
HSTRING_UserSize
HSTRING_UserMarshal
WindowsCreateStringReference
WindowsDeleteString
WindowsCreateString
WindowsStringHasEmbeddedNull
WindowsIsStringEmpty
WindowsGetStringRawBuffer

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

EventActivityIdControl
EventWriteTransfer
EventSetInformation
EventRegister
EventUnregister

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

SetRestrictedErrorInfo
RoOriginateErrorW
RoOriginateError
RoTransformError
GetRestrictedErrorInfo

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

DecodePointer
EncodePointer

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

WakeByAddressAll
WaitOnAddress
InitOnceBeginInitialize
InitOnceExecuteOnce
InitOnceComplete

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

InterlockedPushEntrySList
InitializeSListHead

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

SetThreadpoolTimer
FreeLibraryWhenCallbackReturns
CloseThreadpoolTimer
CreateThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CreateThreadpoolWork
CloseThreadpoolWork
SubmitThreadpoolWork
IsThreadpoolTimerSet

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

CoTaskMemRealloc
CoTaskMemFree
CoWaitForMultipleHandles
CoTaskMemAlloc
CoDecrementMTAUsage
CoIncrementMTAUsage
CoCreateFreeThreadedMarshaler
StringFromGUID2
CoCreateInstance

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

RoGetActivationFactory
RoActivateInstance

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

CompareStringOrdinal

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

RoGetAgileReference

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

RoOriginateLanguageException

api-ms-win-shcore-taskpool-l1-1-0

SHTaskPoolQueueTask

ntdll

RtlSubscribeWnfStateChangeNotification
NtQueryWnfStateData
RtlUnsubscribeWnfNotificationWaitForCompletion

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

RegSetKeyValueW

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

RegCreateKeyExW
RegCloseKey
RegOpenKeyExW
RegGetValueW
RegSetValueExW

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

LocalFree

api-ms-win-appmodel-runtime-l1-1-3

GetStagedPackagePathByFullName2

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

PathAllocCombine
PathCchRemoveFileSpec

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

PathIsRelativeW

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

PathIsURLW

api-ms-win-core-string-l2-1-1

SHLoadIndirectString

api-ms-win-shcore-obsolete-l1-1-0

SHStrDupW

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

ParseApplicationUserModelId

api-ms-win-shcore-stream-l1-1-0

IStream_Read
IStream_ReadStr

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

ObjectStublessClient7
ObjectStublessClient13
ObjectStublessClient15
ObjectStublessClient3
CStdStubBuffer2_QueryInterface
NdrProxyForwardingFunction4
CStdStubBuffer2_CountRefs
ObjectStublessClient11
ObjectStublessClient14
ObjectStublessClient12
NdrProxyForwardingFunction5
ObjectStublessClient6
ObjectStublessClient8
ObjectStublessClient9
CStdStubBuffer2_Connect
ObjectStublessClient10
NdrProxyForwardingFunction3
CStdStubBuffer2_Disconnect
ObjectStublessClient16
ObjectStublessClient17

msvcp_win

?_Xlength_error@std@@YAXPBD@Z

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

oleaut32

SysFreeString
SysStringLen

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 250KB - Virtual size: 250KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e81140f75f8cbcd28b59d599d48c4afb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

rpcrt4

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

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

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

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

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

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

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

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

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

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

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

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

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

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-threadpool-l1-2-0

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

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

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

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

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

api-ms-win-shcore-taskpool-l1-1-0

ntdll

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

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

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

api-ms-win-appmodel-runtime-l1-1-3

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

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

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

api-ms-win-core-string-l2-1-1

api-ms-win-shcore-obsolete-l1-1-0

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

api-ms-win-shcore-stream-l1-1-0

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

msvcp_win

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

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

oleaut32

Exports

Exports

Sections

.text Size: 250KB - Virtual size: 250KB

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

.idata Size: 9KB - Virtual size: 8KB

.didat Size: 512B - Virtual size: 16B

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

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

.text
Size: 250KB - Virtual size: 250KB

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

.idata
Size: 9KB - Virtual size: 8KB

.didat
Size: 512B - Virtual size: 16B

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

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