AuthExt[.]dll | Triage

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General

Target

AuthExt.dll
Size

38KB
MD5

227b3e65795a50ff3e9c824f59ae4bcd
SHA1

b48d01a915e7a2bcb84705e940054658e144a2cd
SHA256

0cc9c5ff9d3da2908387c6d38b26d166f66662fd16faaf77ec7095217fd616b1
SHA512

ef46ab5770e9abc2347434f4ffc202e01a90c14674778711eb80b13d46cec319645319fb28ac078df551207a781861b16e0e417d47e41b32e87b34908a21f224
SSDEEP

768:9boBXksxYOtRPEAegjl5P2nX7AL3/A/NzxZxWEdcwUGnO:VoNketMAegrP2nXU7AHcwUr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AuthExt.dll

Files

AuthExt.dll
.dll windows:10 windows x86 arch:x86

5ad79cf919edebd9fbab5fa158a0405a

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

AuthExt.pdb

Imports

msvcrt

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

shell32

DuplicateIcon

shlwapi

ord278

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

LoadStringW
GetModuleFileNameA
GetModuleHandleW
GetModuleHandleExW
GetProcAddress
DisableThreadLibraryCalls

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

AcquireSRWLockExclusive
ReleaseSemaphore
CreateSemaphoreExW
AcquireSRWLockShared
WaitForSingleObjectEx
ReleaseSRWLockShared
OpenSemaphoreW
WaitForSingleObject
CreateMutexExW
ReleaseMutex
ReleaseSRWLockExclusive

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

HeapAlloc
HeapFree
GetProcessHeap

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

SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter
SetLastError

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

GetCurrentProcess
TerminateProcess
GetCurrentProcessId
GetCurrentThreadId

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-string-l1-1-0

CompareStringOrdinal

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

CoCreateFreeThreadedMarshaler
CoTaskMemFree
CoTaskMemRealloc
CoGetMalloc

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

RoOriginateError

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

EventSetInformation
EventRegister
EventWriteTransfer
EventUnregister

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

EncodePointer
DecodePointer

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

InitOnceBeginInitialize
InitOnceExecuteOnce
Sleep
InitOnceComplete

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime
GetTickCount

ntdll

RtlSubscribeWnfStateChangeNotification
RtlUnsubscribeWnfStateChangeNotification

propsys

PSCreateMemoryPropertyStore

user32

RegisterDeviceNotificationW
DestroyWindow
SystemParametersInfoW
GetSysColor
UnregisterDeviceNotification
SetWindowLongW
DefWindowProcW
IsWindowUnicode
GetWindowLongW
RegisterPowerSettingNotification
DestroyIcon
UnregisterPowerSettingNotification
DefWindowProcA

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 28KB - Virtual size: 27KB

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: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 68B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5ad79cf919edebd9fbab5fa158a0405a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

shell32

shlwapi

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

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

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

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

api-ms-win-core-util-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

ntdll

propsys

user32

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

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

Exports

Exports

Sections

.text Size: 28KB - Virtual size: 27KB

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

.idata Size: 4KB - Virtual size: 3KB

.didat Size: 512B - Virtual size: 68B

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

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 28KB - Virtual size: 27KB

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

.idata
Size: 4KB - Virtual size: 3KB

.didat
Size: 512B - Virtual size: 68B

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

.reloc
Size: 2KB - Virtual size: 1KB