authui[.]dll | Triage

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General

Target

authui.dll
Size

182KB
MD5

3e533b521896268cc7961db618a19afb
SHA1

3c7dd6ac7afbb8d8e7f3ffedad41ec78b013d307
SHA256

ca02134ca5bd35c84d0042794fd31051399c7cdfaec1a07c0b1d79bf428a3852
SHA512

3fa1714cf3d995e21fe52a289e673a3d798dce73402853a033e2070a986a2e64c434b139b5987f0c8535a3773504f1c2f20a0527a9fc75bbf053b96515890151
SSDEEP

3072:3U8afxL7cu4EvqpXMZjc4BQD7nyjN4rsjzrnb+RRyzr3ZRXrb:TafxL7cu5vEcW4BQD7SRLiRRwr3Z

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
authui.dll

Files

authui.dll
.dll windows:10 windows x86 arch:x86

b0156f490a7c652e9b7ada17630db4cd

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

authui.pdb

Imports

msvcrt

_onexit
memmove
memcpy
memcmp
floor
??1type_info@@UAE@XZ
?terminate@@YAXXZ
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
__dllonexit
_except_handler4_common
_initterm
malloc
__CxxFrameHandler3
_get_errno
_set_errno
_ftol2_sse
_CxxThrowException
_XcptFilter
??1exception@@UAE@XZ
free
_lock
_amsg_exit
_unlock
memset

shcore

IUnknown_Set
ord123
ord109
IsOS
SHCreateThread
ord188
ord141

shlwapi

ord219
ord172
PathFileExistsW

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

HeapAlloc
HeapReAlloc
HeapFree
GetProcessHeap

ntdll

_wcsnicmp
_vsnprintf_s
memcpy_s
_vsnwprintf
RtlCopySid
RtlLengthSid
RtlSubAuthorityCountSid
_wcsicmp
RtlSubAuthoritySid
NtQueryWnfStateData
RtlPublishWnfStateData
EtwEventActivityIdControl
WinSqmSetDWORD
WinSqmIsOptedIn
NtPowerInformation
WinSqmAddToStream
EtwEventWriteTransfer
RtlEqualUnicodeString
RtlNtStatusToDosError
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
EtwGetTraceEnableFlags
EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle
EtwEventRegister
EtwEventUnregister
EtwEventSetInformation
EtwTraceMessage

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

InitOnceExecuteOnce
InitOnceBeginInitialize
InitOnceComplete
Sleep

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

QueryPerformanceCounter

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

GetCurrentProcessId
TlsAlloc
GetCurrentThread
OpenThreadToken
GetCurrentThreadId
SetProcessShutdownParameters
TlsSetValue
OpenProcessToken
GetProcessId
TlsFree
TerminateProcess
TlsGetValue
GetCurrentProcess
GetExitCodeProcess

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

GetTickCount
GetSystemTimeAsFileTime
GetVersionExW
GetSystemDirectoryW
GetComputerNameExW

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

SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetLastError
RaiseException

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

ReleaseSRWLockShared
ReleaseSRWLockExclusive
LeaveCriticalSection
ReleaseSemaphore
CreateEventExW
WaitForSingleObjectEx
DeleteCriticalSection
InitializeCriticalSection
AcquireSRWLockExclusive
OpenSemaphoreW
CreateEventW
CreateMutexExW
EnterCriticalSection
WaitForMultipleObjectsEx
ResetEvent
ReleaseMutex
OpenEventW
SetEvent
CreateSemaphoreExW
WaitForSingleObject
AcquireSRWLockShared

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

WindowsCreateString
WindowsIsStringEmpty
WindowsGetStringRawBuffer
WindowsStringHasEmbeddedNull
WindowsCreateStringReference

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

EncodePointer
DecodePointer

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

LoadLibraryExW
GetModuleFileNameA
LoadResource
GetModuleHandleW
FreeLibrary
LockResource
GetProcAddress
FindResourceExW
DisableThreadLibraryCalls
GetModuleHandleExW

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

RoOriginateError
RoOriginateErrorW

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

GetThreadUILanguage
FormatMessageW
SetThreadUILanguage

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

IsDebuggerPresent
DebugBreak
OutputDebugStringW

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

CloseHandle
DuplicateHandle

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

GetTokenInformation
AdjustTokenPrivileges
GetLengthSid
CopySid

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

PropVariantClear
CoTaskMemAlloc
CoTaskMemFree
CoTaskMemRealloc
CoCreateInstance
CoGetApartmentType

api-ms-win-ntuser-sysparams-l1-1-0

GetSystemMetrics
SystemParametersInfoW

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

RegQueryValueExW
RegDeleteKeyExW
RegCreateKeyExW
RegCloseKey
RegSetValueExW
RegGetValueW
RegOpenKeyExW

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

OpenServiceW
OpenSCManagerW
CloseServiceHandle

api-ms-win-service-management-l2-1-0

QueryServiceConfigW

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

LocalAlloc
LocalFree

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

ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
ConvertStringSidToSidW

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

QueueUserWorkItem

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

WaitForMultipleObjects

api-ms-win-rtcore-ntuser-window-l1-1-0

SetTimer
DestroyWindow
KillTimer
DefWindowProcW
GetWindowRect
GetWindowLongW
EnumWindows
SetWindowPos
SetWindowLongW
SendMessageW
GetWindowThreadProcessId
PostMessageW

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

LoadLibraryW

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

GetProductInfo

api-ms-win-core-shutdown-l1-1-1

InitiateShutdownW

powrprof

SetSuspendState

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

GetUserDefaultUILanguage

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

CompareStringOrdinal

api-ms-win-rtcore-ntuser-powermanagement-l1-1-0

UnregisterPowerSettingNotification
RegisterPowerSettingNotification

api-ms-win-rtcore-ntuser-draw-l1-1-0

RedrawWindow

api-ms-win-rtcore-ntuser-winevent-l1-1-0

UnhookWinEvent
SetWinEventHook

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

RoGetActivationFactory

api-ms-win-rtcore-ntuser-private-l1-1-0

CreateWindowInBand

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

EventActivityIdControl
EventWriteTransfer

api-ms-win-ntuser-rectangle-l1-1-0

PtInRect

gdi32

DeleteObject
CreateDIBSection
GetObjectW

dwmapi

DwmIsCompositionEnabled

user32

GetLastInputInfo
GetKeyState
BuildReasonArray
MonitorFromPoint
DefWindowProcA
IsWindowUnicode
RecordShutdownReason
IsSETEnabled
SetPropW
GetUserObjectInformationW
GetThreadDesktop
RemovePropW
DestroyReasons
NotifyWinEvent

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

ApiSetQueryApiSetPresence

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

api-ms-win-security-lsalookup-l2-1-0

LookupPrivilegeValueW

oleaut32

SysFreeString
VariantClear
SysAllocString

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

CoRegisterInitializeSpy
CoRevokeInitializeSpy

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

PathCchAppend

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 157KB - Virtual size: 156KB

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: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b0156f490a7c652e9b7ada17630db4cd

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

shcore

shlwapi

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

ntdll

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

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

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

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

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

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

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

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

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

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-security-base-l1-1-0

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

api-ms-win-ntuser-sysparams-l1-1-0

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

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

api-ms-win-service-management-l2-1-0

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

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

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

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

api-ms-win-rtcore-ntuser-window-l1-1-0

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

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

api-ms-win-core-shutdown-l1-1-1

powrprof

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

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

api-ms-win-rtcore-ntuser-powermanagement-l1-1-0

api-ms-win-rtcore-ntuser-draw-l1-1-0

api-ms-win-rtcore-ntuser-winevent-l1-1-0

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

api-ms-win-rtcore-ntuser-private-l1-1-0

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

api-ms-win-ntuser-rectangle-l1-1-0

gdi32

dwmapi

user32

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

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

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

api-ms-win-security-lsalookup-l2-1-0

oleaut32

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

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

Exports

Exports

Sections

.text Size: 157KB - Virtual size: 156KB

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

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

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

.rsrc Size: 3KB - Virtual size: 2KB

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

.text
Size: 157KB - Virtual size: 156KB

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

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

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

.rsrc
Size: 3KB - Virtual size: 2KB

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