AuthBroker[.]dll

Sharing

Copy URL Twitter E-mail

General

Target

AuthBroker.dll
Size

159KB
MD5

294f575b1f02c21d02b9ff241e33f41b
SHA1

aae7922818f1ff07b4cf9bc7ad478a58d9495574
SHA256

bb93703871fdd26b642662833051ed4e2fe1f2b05c04dc7ae466f6928c5a59ce
SHA512

de0aa82438f87d38af40e197025d1c2776aeb17bc7f3b8c719cfaa8724e72b4d78d592948aa464ccbf4b6518e2c57a6433d8120c909ae0fca2ea6f7a732c5cca
SSDEEP

3072:8wjWa9DN2Y4UPw/TOcYZNOjHRBuvcsUL+YSrAM2mdgu8F6:TD2Y4iX0He2LgdF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AuthBroker.dll

Files

AuthBroker.dll
.dll regsvr32 windows:10 windows x86 arch:x86

b09a3950e5600773f135b0312d886adb

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

AuthBroker.pdb

Imports

msvcrt

__CxxFrameHandler3
_XcptFilter
_vsnwprintf
free
memcmp
memcpy
_onexit
__dllonexit
_lock
malloc
_amsg_exit
_except_handler4_common
memmove_s
_unlock
_purecall
memcpy_s
_initterm
_callnewh
memset

rpcrt4

CStdStubBuffer_DebugServerRelease
CStdStubBuffer_Disconnect
NdrOleAllocate
CStdStubBuffer_QueryInterface
IUnknown_QueryInterface_Proxy
IUnknown_AddRef_Proxy
CStdStubBuffer_CountRefs
CStdStubBuffer_Connect
NdrStubForwardingFunction
IUnknown_Release_Proxy
NdrCStdStubBuffer2_Release
NdrDllGetClassObject
NdrDllCanUnloadNow
NdrCStdStubBuffer_Release
CStdStubBuffer_AddRef
CStdStubBuffer_Invoke
CStdStubBuffer_IsIIDSupported
I_RpcBindingInqLocalClientPID
CStdStubBuffer_DebugServerQueryInterface
NdrStubCall2
NdrOleFree

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

GetProcAddress
LoadStringW
GetModuleHandleExW
GetModuleFileNameA
GetModuleHandleW

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

InitOnceComplete
InitOnceExecuteOnce
Sleep
InitOnceBeginInitialize

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

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

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

HeapFree
GetProcessHeap
HeapAlloc

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter
RaiseException
SetLastError
GetLastError

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

WindowsCreateStringReference
HSTRING_UserUnmarshal
WindowsGetStringLen
WindowsDuplicateString
WindowsDeleteString
WindowsIsStringEmpty
WindowsGetStringRawBuffer
WindowsStringHasEmbeddedNull
WindowsCreateString
HSTRING_UserMarshal
HSTRING_UserSize
HSTRING_UserFree
WindowsCompareStringOrdinal

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

EventActivityIdControl
EventSetInformation
EventRegister
EventUnregister
EventWriteTransfer

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

EncodePointer
DecodePointer

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

GetTraceEnableFlags
GetTraceLoggerHandle
RegisterTraceGuidsW
UnregisterTraceGuids
TraceMessage
GetTraceEnableLevel

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

SubmitThreadpoolWork
WaitForThreadpoolTimerCallbacks
CreateThreadpoolTimer
CloseThreadpoolWork
CloseThreadpoolTimer
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SetThreadpoolTimer

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

GetExitCodeProcess
SetThreadToken
OpenProcessToken
DeleteProcThreadAttributeList
CreateProcessW
UpdateProcThreadAttribute
InitializeProcThreadAttributeList
TlsAlloc
TlsGetValue
CreateThread
ResumeThread
GetProcessId
GetCurrentThread
OpenThreadToken
GetCurrentThreadId
GetCurrentProcessId
TlsFree
GetCurrentProcess
TerminateProcess
TlsSetValue
GetProcessIdOfThread
OpenThread

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

GetRestrictedErrorInfo
RoOriginateError
RoOriginateErrorW
RoTransformError
SetRestrictedErrorInfo

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

FormatMessageW

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW

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

DuplicateHandle
CloseHandle

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

CStdStubBuffer2_Disconnect
CStdStubBuffer2_CountRefs
CStdStubBuffer2_QueryInterface
NdrProxyForwardingFunction4
ObjectStublessClient4
NdrProxyForwardingFunction5
NdrProxyForwardingFunction3
ObjectStublessClient11
CStdStubBuffer2_Connect
ObjectStublessClient16
ObjectStublessClient18
ObjectStublessClient20
ObjectStublessClient21
ObjectStublessClient10
ObjectStublessClient3
ObjectStublessClient17
ObjectStublessClient9
ObjectStublessClient8
ObjectStublessClient6
ObjectStublessClient14
ObjectStublessClient12
ObjectStublessClient19
ObjectStublessClient5
ObjectStublessClient13
ObjectStublessClient7
ObjectStublessClient15

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTime
GetSystemTimeAsFileTime

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

RegQueryValueExW
RegOpenKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegCloseKey
RegCreateKeyExW
RegSetValueExW
RegGetValueW
RegDeleteValueW

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

GetSidSubAuthorityCount
ImpersonateLoggedOnUser
GetLengthSid
GetTokenInformation
CopySid
AllocateAndInitializeSid
FreeSid

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

CheckTokenCapability

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

LocalReAlloc
LocalFree
LocalAlloc

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

CreateFileW

authz

AuthzInitializeContextFromSid
AuthzAccessCheck
AuthzFreeResourceManager
AuthzFreeContext
AuthzInitializeResourceManager

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

OpenProcess

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

GetAppContainerNamedObjectPath

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

WaitForMultipleObjects

api-ms-win-core-wow64-l1-1-0

Wow64RevertWow64FsRedirection
Wow64DisableWow64FsRedirection
IsWow64Process

wkscli

NetGetJoinInformation

netutils

NetApiBufferFree

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

RoInitialize
RoActivateInstance
RoUninitialize
RoGetActivationFactory

winhttp

WinHttpCrackUrl
WinHttpCreateUrl

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

IsErrorPropagationEnabled
RoReportFailedDelegate
RoGetMatchingRestrictedErrorInfo

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

ParseURLW

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

GetSecurityInfo

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

HWND_UserFree
HWND_UserSize
HWND_UserUnmarshal
HWND_UserMarshal

combase

ord140

ntdll

RtlDeleteCriticalSection
RtlEnterCriticalSection
RtlLeaveCriticalSection
RtlEqualSid
WinSqmAddToStream
_wcsnicmp
RtlIsStateSeparationEnabled
_wcsicmp
RtlAllocateAndInitializeSidEx
RtlDeriveCapabilitySidsFromName
RtlInitUnicodeString
RtlInitializeCriticalSection
wcstoul

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

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

ApiSetQueryApiSetPresence

Exports

Exports

AuthBrokerClearThreadClientContext
AuthBrokerCreateClientContext
AuthBrokerFreeClientContext
AuthBrokerSetThreadClientContext
DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
DllInstall
DllRegisterServer
FindCallingThreadImmersiveWindow
PurgeAuthHostSsoCache

Sections

.text
Size: 137KB - Virtual size: 136KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 340B

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: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b09a3950e5600773f135b0312d886adb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

rpcrt4

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-eventing-provider-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

authz

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

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

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

api-ms-win-core-wow64-l1-1-0

wkscli

netutils

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

winhttp

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

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

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

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

combase

ntdll

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

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

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

Exports

Exports

Sections

.text Size: 137KB - Virtual size: 136KB

.data Size: 512B - Virtual size: 2KB

.idata Size: 10KB - Virtual size: 9KB

.didat Size: 512B - Virtual size: 340B

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

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

.text
Size: 137KB - Virtual size: 136KB

.data
Size: 512B - Virtual size: 2KB

.idata
Size: 10KB - Virtual size: 9KB

.didat
Size: 512B - Virtual size: 340B

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

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