AppContracts[.]dll

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General

Target

AppContracts.dll
Size

705KB
MD5

a5f963ea10217833454bbead6637b318
SHA1

47ce7d0cde0610cc2ff2d8cbed0150e699c644e9
SHA256

ca7a7fa63019f3c55ecb897db80c1803404871d85ef32968b5445f23e8a1076d
SHA512

ef085ba84cb34b325bb7b82d4d159e13e5aa73ea1dadf79736f64a03bbc77bc25fd7b7987c43698c996c61a1e8d2945981bda65635745ed49d9ac948b5035de4
SSDEEP

12288:Al4jmwZwlH+EwOA2Fn+e3kM9I9ql58RgnI:m4jmwZwlH+XOA2Fn+mI9Q58RgnI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AppContracts.dll

Files

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

66f3da03842040dfe56dc80ae3370d8a

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-string-l1-1-0

memset

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_free
_o_malloc
_o_mbstowcs
_o_realloc
_o_terminate
_o_toupper
_except_handler4_common
_CxxThrowException
_o__execute_onexit_table
_o__errno
_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
memcmp
memcpy

ntdll

RtlQueryPackageClaims
RtlIsMultiUsersInSessionSku
RtlGetDeviceFamilyInfoEnum

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

GetModuleHandleW
DisableThreadLibraryCalls
GetProcAddress
GetModuleFileNameA
LoadStringW
FreeLibrary
GetModuleHandleExW

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

InitOnceComplete
InitOnceBeginInitialize
Sleep
InitOnceExecuteOnce

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

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

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

GetProcessHeap
HeapFree
HeapAlloc

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

SetUnhandledExceptionFilter
SetLastError
RaiseException
GetLastError
UnhandledExceptionFilter

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

WindowsPromoteStringBuffer
WindowsPreallocateStringBuffer
WindowsDuplicateString
WindowsGetStringRawBuffer
WindowsDeleteStringBuffer
WindowsCreateStringReference
WindowsIsStringEmpty
WindowsStringHasEmbeddedNull
WindowsCreateString
WindowsDeleteString

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

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

rpcrt4

RpcStringFreeW
UuidToStringW
RpcStringFreeA
UuidToStringA
I_RpcBindingInqLocalClientPID
UuidCreate

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-processthreads-l1-1-0

GetProcessId
GetCurrentProcessId
OpenThreadToken
OpenProcessToken
GetCurrentThreadId
TerminateProcess
GetCurrentProcess
GetCurrentThread

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

RoTransformError
RoOriginateErrorW
GetRestrictedErrorInfo
SetRestrictedErrorInfo
RoOriginateError

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

IsProcessorFeaturePresent
OpenProcess

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

FormatMessageW

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

DebugBreak
OutputDebugStringW
IsDebuggerPresent
OutputDebugStringA

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

CloseHandle
DuplicateHandle

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

GetPackageFullNameFromToken
GetPackageFamilyNameFromToken

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

IsErrorPropagationEnabled
RoGetMatchingRestrictedErrorInfo
RoReportFailedDelegate

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

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

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

GetTokenInformation
DuplicateTokenEx

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

CompareStringOrdinal
WideCharToMultiByte

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

GetPackageFullName
PackageFamilyNameFromFullName
GetPackageFamilyName

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

GetEffectivePackageStatusForUser

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

WriteFile
FlushFileBuffers
ReadFile
CreateFileW

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

CancelIoEx

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-namedpipe-l1-1-0

CreateNamedPipeW

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

LocalAlloc

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

ApiSetQueryApiSetPresence

combase

ord167
ord168

msvcp_win

?_Xbad_function_call@std@@YAXXZ
?_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: 647KB - Virtual size: 647KB

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: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 64B

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: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

66f3da03842040dfe56dc80ae3370d8a

Headers

DLL Characteristics

File Characteristics

PDB Paths

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

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

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-processthreads-l1-1-0

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

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

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-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-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-file-l1-1-0

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

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-namedpipe-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: 647KB - Virtual size: 647KB

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

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

.didat Size: 512B - Virtual size: 64B

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

.reloc Size: 44KB - Virtual size: 44KB

.text
Size: 647KB - Virtual size: 647KB

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

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

.didat
Size: 512B - Virtual size: 64B

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

.reloc
Size: 44KB - Virtual size: 44KB