AppointmentActivation[.]dll

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General

Target

AppointmentActivation.dll
Size

113KB
MD5

d9a753e8898b826b01165134b0012df9
SHA1

f49f85b430038323d9a94719087a10d552ceda3d
SHA256

2e7d4b638f55cf18e3cbe227493d47004bd4affcb8d2428290ffb94f33f7d5e1
SHA512

9a6d496dcb39fbd1d04e04a47b2594915217be4077507880935b03418fdce0b54dd7f43b94e3c5cc3b0ccab8f07c2aa476e55094332cb198ac0a9ec9d2559d88
SSDEEP

3072:LYOFoA7Vit5fwvhU9Uwz7QCx7zMWxeWC:hA5feOQCxk9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AppointmentActivation.dll

Files

AppointmentActivation.dll
.dll windows:10 windows x86 arch:x86

d4ce706e6430a4c13386c81b14ed2ff8

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

AppointmentActivation.pdb

Imports

msvcrt

wcscspn
memcpy_s
wcsrchr
toupper
__CxxFrameHandler3
wcsncmp
__dllonexit
_unlock
_lock
_initterm
_vsnwprintf
_amsg_exit
_XcptFilter
_callnewh
wcstoul
_purecall
_vsnwprintf_s
_wcstoi64
_except_handler4_common
wcsstr
free
_errno
_wcstoui64
_onexit
memmove
malloc
memcmp
memcpy
memset

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

ParseApplicationUserModelId

rpcrt4

CStdStubBuffer_Invoke
NdrStubForwardingFunction
NdrStubCall2
IUnknown_AddRef_Proxy
CStdStubBuffer_DebugServerQueryInterface
NdrOleFree
NdrDllCanUnloadNow
NdrDllGetClassObject
CStdStubBuffer_IsIIDSupported
IUnknown_QueryInterface_Proxy
CStdStubBuffer_DebugServerRelease
NdrOleAllocate
NdrCStdStubBuffer2_Release
CStdStubBuffer_AddRef
IUnknown_Release_Proxy

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

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

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

EventWriteTransfer
EventUnregister
EventProviderEnabled
EventSetInformation
EventRegister

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

EncodePointer
DecodePointer

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

RoOriginateError
RoOriginateErrorW

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

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

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

DisableThreadLibraryCalls
GetProcAddress
LoadLibraryExW
GetModuleHandleExW
GetModuleHandleW
GetModuleFileNameA
FreeLibrary

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

RaiseException
UnhandledExceptionFilter
SetLastError
GetLastError
SetUnhandledExceptionFilter

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

TerminateProcess
GetCurrentProcess
GetCurrentThreadId
GetCurrentProcessId

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

FormatMessageW

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

GetTokenInformation

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

CloseHandle

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

CoTaskMemFree
CoCreateInstance
CoTaskMemAlloc
CoWaitForMultipleObjects
CoInitializeEx
CoCreateFreeThreadedMarshaler
CoUninitialize

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

ConvertSidToStringSidW

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

LocalFree
LocalAlloc

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

RoGetActivationFactory
RoActivateInstance

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

SHGetThreadRef

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

UrlUnescapeW
UrlEscapeW

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

GetProcessHeap
HeapAlloc
HeapFree

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

CStdStubBuffer2_Connect
ObjectStublessClient7
CStdStubBuffer2_Disconnect
NdrProxyForwardingFunction4
NdrProxyForwardingFunction3
CStdStubBuffer2_CountRefs
ObjectStublessClient10
ObjectStublessClient9
CStdStubBuffer2_QueryInterface
ObjectStublessClient8
ObjectStublessClient6
NdrProxyForwardingFunction5

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

WakeAllConditionVariable
SleepConditionVariableSRW
Sleep

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

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

CompareStringOrdinal

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

AwaitAppointmentActivation
DeserializeActivationArgs
DeserializeAppointment
DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
GetAddAppointmentArgument
GetCalendarChooserArgument
GetLegacyAppointmentDetailsArgumentString
GetProxyDllInfo
GetRemoveAppointmentArgument
GetReplaceAppointmentArgument
GetWindowIdOfHost
ReleaseActivationArgs
SerializeAppointmentIdsResult
SerializeCalendarIdResult
ShowAddAppointment
ShowAddAppointmentAsync
ShowAppointmentDetails
ShowCalendarChooser
ShowCalendarChooserAsync
ShowRemoveAppointment
ShowRemoveAppointmentAsync
ShowReplaceAppointment
ShowReplaceAppointmentAsync
ShowTimeFrame

Sections

.text
Size: 97KB - Virtual size: 96KB

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: 6KB - Virtual size: 5KB

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: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d4ce706e6430a4c13386c81b14ed2ff8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

rpcrt4

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 97KB - Virtual size: 96KB

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

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

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

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

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

.text
Size: 97KB - Virtual size: 96KB

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

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

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

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

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