AppContracts[.]dll

Sharing

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General

Target

AppContracts.dll
Size

751KB
MD5

cd0200db53bc5380b35749b108292b95
SHA1

ddb9d84fadf19cb7d09712f6042303decc16b6e9
SHA256

faf524f39a7bc287ff2e09e60eb56b3d33a1097217066d8e60afdb8ee5ad2a39
SHA512

e3bf5a2716ff47715a832bab645f23c67e21415b68fac97014c67bee320921a418d3639ddde5b7f214ebb0a7854f0912eacd3e541bdbe8e191b45568bd18c970
SSDEEP

12288:/iDz63Apw5aQ61vVDXfCe1SXDFgzzosAoMqRToKnnpWc+04EW8cZnSevuMDVwjQM:/Oz6Ywkl1vVDP5WB34V7

Score

1^/10

Malware Config

Signatures

Files

AppContracts.dll
.dll windows:10 windows x86 arch:x86

b0ad5ffefae7cff7a28057d6b8021305

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

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

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

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

de:b0:f1:d7:51:dc:78:57:6c:54:bb:08:22:8a:2b:fd:dc:7a:6f:8d:41:71:2e:7a:ea:37:8b:40:27:c0:a1:2a
Signer

Actual PE Digest

de:b0:f1:d7:51:dc:78:57:6c:54:bb:08:22:8a:2b:fd:dc:7a:6f:8d:41:71:2e:7a:ea:37:8b:40:27:c0:a1:2a

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

AppContracts.pdb

Imports

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

_initterm_e
_initterm

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__wcsicmp
_o_ceil
_o_free
_o_malloc
_o_mbstowcs
_o_realloc
_o_terminate
_o_toupper
_o__errno
_except_handler4_common
_CxxThrowException
_o__crt_atexit
_o__configure_narrow_argv
_o__cexit
_o__callnewh
_o___stdio_common_vswprintf
_o___stdio_common_vsprintf_s
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
__std_terminate
__CxxFrameHandler3
_o__execute_onexit_table
memcmp
memcpy

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

memset

ntdll

RtlQueryPackageClaims
RtlIsMultiUsersInSessionSku
RtlIsMultiSessionSku
RtlGetDeviceFamilyInfoEnum

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

DisableThreadLibraryCalls
FreeLibrary
GetProcAddress
LoadStringW
GetModuleHandleW
GetModuleHandleExW
GetModuleFileNameA

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

InitOnceBeginInitialize
Sleep
InitOnceExecuteOnce
InitOnceComplete

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

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

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

HeapAlloc
HeapFree
GetProcessHeap

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

RaiseException
UnhandledExceptionFilter
SetLastError
SetUnhandledExceptionFilter
GetLastError

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

WindowsPreallocateStringBuffer
WindowsDeleteString
WindowsDeleteStringBuffer
WindowsPromoteStringBuffer
WindowsGetStringRawBuffer
WindowsCreateStringReference
WindowsIsStringEmpty
WindowsStringHasEmbeddedNull
WindowsCreateString
WindowsDuplicateString

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

CoGetMalloc
CoRevertToSelf
CoMarshalInterface
CoTaskMemAlloc
CoGetCallContext
CoCreateInstance
CoCreateGuid
CoCreateFreeThreadedMarshaler
CoImpersonateClient
CoReleaseMarshalData
CoGetInterfaceAndReleaseStream
CoTaskMemFree
CoTaskMemRealloc
CoWaitForMultipleHandles
CoRevokeClassObject
CoRegisterClassObject
StringFromCLSID
CreateStreamOnHGlobal

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

GetProcessId
GetCurrentThread
GetCurrentProcessId
OpenThreadToken
OpenProcessToken
GetCurrentThreadId
TerminateProcess
GetCurrentProcess

rpcrt4

RpcStringFreeA
RpcStringFreeW
UuidCreate
UuidToStringA
I_RpcBindingInqLocalClientPID
UuidToStringW

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

EventProviderEnabled
EventRegister
EventUnregister
EventActivityIdControl
EventSetInformation
EventWriteTransfer

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

EncodePointer
DecodePointer

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

RoUninitialize
RoActivateInstance
RoInitialize
RoGetActivationFactory

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

RoTransformError
GetRestrictedErrorInfo
SetRestrictedErrorInfo
RoOriginateError
RoOriginateErrorW

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

FormatMessageW

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

OutputDebugStringA
IsDebuggerPresent
DebugBreak
OutputDebugStringW

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

CloseHandle
DuplicateHandle

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

GetPackageFullNameFromToken
GetPackageFamilyNameFromToken

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

OpenProcess
IsProcessorFeaturePresent

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

QueryPerformanceCounter
QueryPerformanceFrequency

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

GetTickCount
GetSystemTimeAsFileTime

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

InitializeSListHead

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

RoGetAgileReference

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

SHTaskPoolAllowThreadReuse
SHTaskPoolQueueTask

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

RoGetMatchingRestrictedErrorInfo
IsErrorPropagationEnabled
RoReportFailedDelegate

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

ReadFile
CreateFileW
FlushFileBuffers
WriteFile

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

ConnectNamedPipe
CreateNamedPipeW

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

CancelIoEx
GetOverlappedResult

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

StartThreadpoolIo
SetThreadpoolWait
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolIo
SetThreadpoolTimer
FreeLibraryWhenCallbackReturns
CreateThreadpoolWait
CreateThreadpoolTimer
WaitForThreadpoolWaitCallbacks
CloseThreadpoolIo
CloseThreadpoolWait
CancelThreadpoolIo

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

DuplicateTokenEx
GetTokenInformation
IsWellKnownSid

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

WideCharToMultiByte
CompareStringOrdinal
MultiByteToWideChar

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

PackageFamilyNameFromFullName
GetPackageFullName
GetPackageFamilyName

api-ms-win-appmodel-runtime-internal-l1-1-2

GetEffectivePackageStatusForUser

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

RoCreatePropertySetSerializer

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

SHCreateMemStream

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

CreateRandomAccessStreamOverStream

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

CapabilityCheck

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

LocalAlloc

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

ApiSetQueryApiSetPresence

combase

ord168
ord167
ord184

msvcp_win

?_Xbad_function_call@std@@YAXXZ
?_Throw_C_error@std@@YAXH@Z
_Mtx_init_in_situ
_Mtx_destroy_in_situ
_Mtx_lock
_Mtx_unlock
?_Xlength_error@std@@YAXPBD@Z

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: 677KB - Virtual size: 676KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 76B

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: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b0ad5ffefae7cff7a28057d6b8021305

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

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

Key Usages

de:b0:f1:d7:51:dc:78:57:6c:54:bb:08:22:8a:2b:fd:dc:7a:6f:8d:41:71:2e:7a:ea:37:8b:40:27:c0:a1:2aSigner

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

ntdll

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

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

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

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

rpcrt4

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

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

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

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

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-com-l1-1-1

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

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

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

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

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

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

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

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

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

api-ms-win-appmodel-runtime-internal-l1-1-2

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

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

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

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

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

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

combase

msvcp_win

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

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

Exports

Exports

Sections

.text Size: 677KB - Virtual size: 676KB

.data Size: 1024B - Virtual size: 2KB

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

.didat Size: 512B - Virtual size: 76B

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

.reloc Size: 46KB - Virtual size: 45KB

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

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

de:b0:f1:d7:51:dc:78:57:6c:54:bb:08:22:8a:2b:fd:dc:7a:6f:8d:41:71:2e:7a:ea:37:8b:40:27:c0:a1:2a
Signer

.text
Size: 677KB - Virtual size: 676KB

.data
Size: 1024B - Virtual size: 2KB

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

.didat
Size: 512B - Virtual size: 76B

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

.reloc
Size: 46KB - Virtual size: 45KB