Cortana[.]Persona[.]dll

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General

Target

Cortana.Persona.dll
Size

213KB
MD5

afc2f99bfc98f7d714d832ce42dcc2d0
SHA1

0a06f17523dcad92b520ade60747273ee3115345
SHA256

7fa0a5baecaedd874d6eeec3327b745b3408b2b85988bce4151a81d582fd9085
SHA512

4e43cd181ffbeab24cbe6d82786b6c0e9c0b9d8bf5164bc38360c70cec65147bc2e57ad6dd4eebed29b019b21347134fc86e225365b55373db1eefbf66a37d7e
SSDEEP

6144:9DL0Vl1CwLHLgdfqX6fyeo+1NTjDva6v7:9DL0Vl1vASeTjDDD

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Cortana.Persona.dll

Files

Cortana.Persona.dll
.dll windows:10 windows x86 arch:x86

0ca007f286229da4f41b9d35e498426e

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

Cortana.Persona.pdb

Imports

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

_time32

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

memset
strncmp

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

_initterm
_initterm_e

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

_o__configure_narrow_argv
_o__crt_atexit
_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__itow_s
_o__purecall
_o__register_onexit_function
_o__seh_filter_dll
memmove
_o__wcsicmp
_o__wtoi
_o_free
_o_iswdigit
_o_malloc
_o_rand
_o_srand
_o_terminate
_o_towlower
_except_handler4_common
_CxxThrowException
_o___stdio_common_vswscanf
_o___stdio_common_vswprintf
_o___stdio_common_vsnprintf_s
_o__cexit
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
_o__callnewh
__std_terminate
__CxxFrameHandler3
memcmp
memcpy

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

DisableThreadLibraryCalls
GetProcAddress
GetModuleHandleW
GetModuleFileNameA
GetModuleHandleExW

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

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

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

HeapFree
GetProcessHeap
HeapAlloc

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

GetLastError
RaiseException
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

SetThreadPriority
GetCurrentProcess
GetCurrentProcessId
TerminateProcess
GetCurrentThreadId
CreateThread

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-eventing-provider-l1-1-0

EventUnregister
EventWriteTransfer
EventActivityIdControl
EventRegister
EventSetInformation

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

RoTransformError
RoOriginateErrorW
RoOriginateError

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

DecodePointer
EncodePointer

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

InitOnceComplete
InitOnceBeginInitialize
InitOnceExecuteOnce

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

WindowsCreateString
WindowsGetStringRawBuffer
WindowsStringHasEmbeddedNull
WindowsIsStringEmpty
WindowsDuplicateString
WindowsDeleteString
WindowsCreateStringReference

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

CreateStreamOnHGlobal
PropVariantClear
CoCreateInstance
CoTaskMemFree
CoTaskMemAlloc
CoCreateFreeThreadedMarshaler
CoGetApartmentType
CoWaitForMultipleHandles

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

ReadFile
CompareFileTime
FindFirstFileExW
DeleteFileW
FindNextFileW
WriteFile
FindClose
GetFileSizeEx
CreateFileW

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

GetSystemTimeAsFileTime
GetTickCount

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

SystemTimeToFileTime

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

SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolTimer

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

PathCchCombine

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

RoInitialize
RoActivateInstance
RoGetActivationFactory
RoUninitialize

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

IsErrorPropagationEnabled
RoReportFailedDelegate
RoGetMatchingRestrictedErrorInfo

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

QueryPerformanceCounter

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

IsProcessorFeaturePresent

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

InitializeSListHead

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 193KB - Virtual size: 193KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 48B

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: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0ca007f286229da4f41b9d35e498426e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

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

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

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-winrt-string-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 193KB - Virtual size: 193KB

.data Size: 512B - Virtual size: 2KB

.idata Size: 6KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 48B

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

.reloc Size: 10KB - Virtual size: 10KB

.text
Size: 193KB - Virtual size: 193KB

.data
Size: 512B - Virtual size: 2KB

.idata
Size: 6KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 48B

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

.reloc
Size: 10KB - Virtual size: 10KB