Windows[.]Networking[.]BackgroundTransfer[.]dll

Sharing

Copy URL Twitter E-mail

General

Target

Windows.Networking.BackgroundTransfer.dll
Size

399KB
MD5

d180d4667a385761f1f47401cd097854
SHA1

b469e21f3dd09ad458af6117fc0e72c7e2c3da93
SHA256

9225bc7009a455e0506f32bff1f987198bdb5db25fecac5263122947e0a32bc8
SHA512

bbecbfca381e5dbf1882bc2c990da9c4239cd11812748ff7655b642181ba2199c7fe3defbb0b2d3916bb8bf1e328c98439dc3867711ad3f127fb8fed73cadd8b
SSDEEP

6144:qds4qOZN3FfN6K4T/uESM5ghMYvA2cRsmYa:qd7qg5+LbyhPvA2EsmYa

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Windows.Networking.BackgroundTransfer.dll

Files

Windows.Networking.BackgroundTransfer.dll
.dll regsvr32 windows:6 windows x86 arch:x86

4367926df4c0726dad8b4301f0bad2ca

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

Windows.Networking.BackgroundTransfer.pdb

Imports

msvcrt

_onexit
??3@YAXPAX@Z
_unlock
_lock
_initterm
__CxxFrameHandler3
_amsg_exit
_XcptFilter
realloc
free
malloc
_except_handler4_common
memmove_s
_wcsicmp
_ui64tow_s
memcpy
memcmp
_ftol2
_wcstoui64
wcsstr
_purecall
_itow_s
_vsnwprintf
??2@YAPAXI@Z
__dllonexit
memset

ntdll

RtlNtStatusToDosError
WinSqmAddToStreamEx
RtlInitUnicodeString

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

GetTempPathW
CreateDirectoryW
DeleteFileW
ReadFile
SetFilePointer
CompareFileTime
WriteFile
GetFileSizeEx
FindClose
FindFirstFileW
FindNextFileW
CreateFileW

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

GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
RaiseException

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

CloseHandle

rpcrt4

CStdStubBuffer_DebugServerRelease
CStdStubBuffer_AddRef
CStdStubBuffer_DebugServerQueryInterface
UuidCreate
NdrClientCall2
RpcBindingFree
RpcBindingSetAuthInfoExW
IUnknown_Release_Proxy
RpcStringBindingComposeW
RpcBindingFromStringBindingW
UuidFromStringW
IUnknown_AddRef_Proxy
CStdStubBuffer_CountRefs
NdrStubCall2
NdrOleAllocate
NdrStubForwardingFunction
NdrCStdStubBuffer_Release
CStdStubBuffer_Disconnect
CStdStubBuffer_IsIIDSupported
NdrDllRegisterProxy
NdrDllCanUnloadNow
NdrCStdStubBuffer2_Release
NdrDllGetClassObject
CStdStubBuffer_Invoke
NdrDllUnregisterProxy
NdrOleFree
CStdStubBuffer_Connect
UuidFromStringA
RpcStringFreeW
UuidToStringW
IUnknown_QueryInterface_Proxy
CStdStubBuffer_QueryInterface

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

SetEvent
CreateEventW
InitializeSRWLock
CreateMutexW
ReleaseSRWLockExclusive
AcquireSRWLockShared
WaitForSingleObject
ReleaseSRWLockShared
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
AcquireSRWLockExclusive
LeaveCriticalSection
InitOnceExecuteOnce
WaitForMultipleObjectsEx
Sleep
WaitForSingleObjectEx
ReleaseMutex

api-ms-win-core-file-l2-1-1

MoveFileExW

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

GetCurrentThreadId
TerminateProcess
GetCurrentThread
GetCurrentProcessId
GetCurrentProcess
OpenProcessToken
OpenProcess
OpenThreadToken
GetProcessId

api-ms-win-security-base-l1-2-0

ImpersonateSelf
RevertToSelf
AllocateAndInitializeSid
GetTokenInformation
FreeSid

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

HeapAlloc
GetProcessHeap
HeapFree

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

EventUnregister
EventWrite
EventRegister

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

GetSystemTimePreciseAsFileTime
GetTickCount64
GetTickCount
GetSystemTimeAsFileTime

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

MultiByteToWideChar
CompareStringOrdinal
WideCharToMultiByte

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

TrySubmitThreadpoolCallback
FreeLibraryWhenCallbackReturns
CloseThreadpoolWait
WaitForThreadpoolWaitCallbacks
CreateThreadpoolWait
CallbackMayRunLong
SetThreadpoolWait

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

FreeLibrary
GetModuleHandleExW
DisableThreadLibraryCalls
LoadStringW

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

RegCloseKey
RegGetValueW
RegCreateKeyExW
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW

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

EncodePointer
DecodePointer

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

QueryPerformanceCounter

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

LocalAlloc
LocalFree

combase

ord13
ord11
ord90
ord33
ord8
ord34
ord5
ord32
ord2
ord9
ord12
ord10
ord6
ord36
ord14
ord7
ord16
ord15

systemeventsbrokerclient

SebDeleteEvent
SebRegisterWellKnownEvent
SebSignalBackgroundDownloadEvent
SebCreateUnconstrainedBackgroundDownloadEvent
SebCreateBackgroundDownloadEvent

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

FormatMessageW

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

ApiSetQueryApiSetPresence

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
DllMain
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 332KB - Virtual size: 332KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.orpc
Size: 1024B - Virtual size: 930B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 7KB

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

minATL
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4367926df4c0726dad8b4301f0bad2ca

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

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

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

rpcrt4

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

api-ms-win-core-file-l2-1-1

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

api-ms-win-security-base-l1-2-0

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

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

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

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

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

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

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

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

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

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

combase

systemeventsbrokerclient

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

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

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

Exports

Exports

Sections

.text Size: 332KB - Virtual size: 332KB

.orpc Size: 1024B - Virtual size: 930B

.data Size: 4KB - Virtual size: 7KB

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

minATL Size: 512B - Virtual size: 52B

.rsrc Size: 15KB - Virtual size: 14KB

.reloc Size: 39KB - Virtual size: 38KB

.text
Size: 332KB - Virtual size: 332KB

.orpc
Size: 1024B - Virtual size: 930B

.data
Size: 4KB - Virtual size: 7KB

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

minATL
Size: 512B - Virtual size: 52B

.rsrc
Size: 15KB - Virtual size: 14KB

.reloc
Size: 39KB - Virtual size: 38KB