ContactApis[.]dll

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General

Target

ContactApis.dll
Size

870KB
MD5

b10941ad69c2b2ab8a9b88dda475a674
SHA1

a3ad2671f4169db7e87b218528246cd947963606
SHA256

8053c0556fc2792699b53830ac96a5b86801260fd9f9081230c3fe7468552b17
SHA512

2ac5902a25becd51f520b3a7cc935444bd4d927952dedaf47dec0797250af8536439be6e20ca7dce58bdd62db74203852280cba17b9b842661e3a4de02336a58
SSDEEP

12288:mWrBR6/026T3YMHvTFgoUcLVCaFAC+dox55WRBh7SRn7bvCIDh/U+e+1QSJDqOXd:D0/026TVHbFjU45QHaPCIe+eWQSJDqE

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ContactApis.dll

Files

ContactApis.dll
.dll windows:10 windows x86 arch:x86

cacb1eec5b4ff5e8ac949d363000c571

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

ContactApis.pdb

Imports

msvcrt

_vsnwprintf
memcmp
_except_handler4_common
__CxxFrameHandler3
_onexit
__dllonexit
_unlock
_lock
memcpy
_amsg_exit
_XcptFilter
_callnewh
wcstoul
_errno
_vsnwprintf_s
wcsstr
realloc
_initterm
free
malloc
memmove_s
_purecall
memcpy_s
memmove
memset

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

GetModuleHandleW
GetModuleFileNameA
GetModuleHandleExW
FreeLibrary
DisableThreadLibraryCalls
GetProcAddress

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

InitOnceExecuteOnce
InitOnceBeginInitialize
InitOnceComplete
Sleep

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

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

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

HeapAlloc
HeapFree
GetProcessHeap

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

SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter
SetLastError
RaiseException

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

EventRegister
EventSetInformation
EventUnregister
EventWriteTransfer
EventActivityIdControl

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

DecodePointer
EncodePointer

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

LocalAlloc
LocalFree

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

SetThreadToken
GetCurrentThreadId
OpenThreadToken
GetCurrentThread
GetCurrentProcessId
GetCurrentProcess
TerminateProcess
OpenProcessToken

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

FormatMessageW

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

OutputDebugStringW
DebugBreak
IsDebuggerPresent

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

CloseHandle

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

WaitForThreadpoolWaitCallbacks
CreateThreadpoolWait
FreeLibraryWhenCallbackReturns
CloseThreadpoolWork
CloseThreadpoolWait
SetThreadpoolWait
CreateThreadpoolWork
SubmitThreadpoolWork

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

OpenProcess

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

GetSystemTimeAsFileTime
GetTickCount64
GetTickCount

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

GetTempFileNameW
CreateDirectoryW
DeleteFileW

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

FileTimeToSystemTime
SystemTimeToFileTime

ntdll

RtlQueryWnfStateData
RtlIsMultiSessionSku
RtlGetDeviceFamilyInfoEnum
RtlSubscribeWnfStateChangeNotification
RtlUnsubscribeWnfNotificationWaitForCompletion

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

PathCchCombine

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

PathFileExistsW

api-ms-win-service-management-l1-1-0

OpenServiceW
OpenSCManagerW
CloseServiceHandle

api-ms-win-service-winsvc-l1-1-0

QueryServiceStatus

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

RoCreatePropertySetSerializer

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

QueryPerformanceCounter

userdataplatformhelperutil

RunServicesInProc
IsCommsSystemService
GenerateUserModeServiceName
GetUserContextFromHandle
StartAndWaitForServiceForUser
GetUserTokenFromContext

contactactivation

AwaitContactPickerResults
ShowContactPickerAsync
ContactToVCardString

userdatalanguageutil

IsMatchingEAPrefix
IsEAChar
DetermineStringEALangIdNLS

systemeventsbrokerclient

SebCreateContactNotificationEvent
SebDeleteEvent

phoneutil

ValidPhoneNumberInplaceStripInvalidCharacters

api-ms-win-core-libraryloader-l1-2-1

LoadLibraryW

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

RegGetValueW

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

ConvertSidToStringSidW

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: 799KB - Virtual size: 799KB

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: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 276B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cacb1eec5b4ff5e8ac949d363000c571

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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-eventing-provider-l1-1-0

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

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

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-core-threadpool-l1-2-0

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

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

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

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

ntdll

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

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

api-ms-win-service-management-l1-1-0

api-ms-win-service-winsvc-l1-1-0

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

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

userdataplatformhelperutil

contactactivation

userdatalanguageutil

systemeventsbrokerclient

phoneutil

api-ms-win-core-libraryloader-l1-2-1

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

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

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

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

Exports

Exports

Sections

.text Size: 799KB - Virtual size: 799KB

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

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

.didat Size: 512B - Virtual size: 276B

.rsrc Size: 1024B - Virtual size: 1024B

.reloc Size: 61KB - Virtual size: 61KB

.text
Size: 799KB - Virtual size: 799KB

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

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

.didat
Size: 512B - Virtual size: 276B

.rsrc
Size: 1024B - Virtual size: 1024B

.reloc
Size: 61KB - Virtual size: 61KB