aadauthhelper[.]dll

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General

Target

aadauthhelper.dll
Size

327KB
MD5

6e5eefe77015fb1f97046c0807ba6a8c
SHA1

59812739f658733b23ed4e010a56ebb32586b3f0
SHA256

734c13590ba4e7c33c797f9338924d24a3cda5799df1d359ac73d409972ea05e
SHA512

9eb4e2bbe34b7e222062cf88c4b6d083be1c6ae641adfd42f6b3c679a99252865edb3e85a140135a21acac24f8007394d2b5c2668ac0c4768ef050ad036839d1
SSDEEP

6144:TgP7085QFToiz4RwVSQ4GzZSHDz25u/M7f6ieHew31mD/enbg1Z6BEu8k+BtO:TgPtGT3s6K+6WuYB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
aadauthhelper.dll

Files

aadauthhelper.dll
.dll windows:10 windows x86 arch:x86

9f871a57c8b660b9636a886a3186db6d

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

AADAuthHelper.pdb

Imports

msvcrt

??1type_info@@UAE@XZ
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
_initterm
_amsg_exit
_XcptFilter
free
malloc
??_V@YAXPAX@Z
_except_handler4_common
memmove
memcpy
memcmp
_ftol2_sse
_ftol2
_CxxThrowException
wcsnlen
__CxxFrameHandler3
_purecall
memcpy_s
memmove_s
iswspace
wcscpy_s
_wcsicmp
_vscwprintf
vswprintf_s
_vsnwprintf
??1exception@@UAE@XZ
??0exception@@QAE@XZ
??0exception@@QAE@ABV0@@Z
_vsnprintf_s
_beginthread
_endthreadex
_beginthreadex
wcschr
_time64
_wtoi
wcsncmp
_wcslwr_s
wcsspn
wcscspn
wcsstr
calloc
wcsrchr
wcspbrk
_vsnprintf
swprintf_s
_snwprintf_s
?what@exception@@UBEPBDXZ
_wcslwr
_wcsnicmp
_wtof
isalpha
isxdigit
strtol
isdigit
_errno
realloc
memset

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

CryptGenRandom
CryptReleaseContext
CryptAcquireContextW

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

EventActivityIdControl
EventWriteTransfer
EventSetInformation
EventRegister
EventUnregister

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

GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
TraceMessage
GetTraceLoggerHandle
GetTraceEnableLevel

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

Sleep
SleepConditionVariableSRW
WakeAllConditionVariable

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

QueryPerformanceCounter
QueryPerformanceFrequency

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

TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
SetThreadStackGuarantee
GetCurrentProcess

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

GetSystemInfo
GetSystemTimeAsFileTime
GetTickCount

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

RaiseException
SetLastError
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

ntdll

RtlNtStatusToDosError
RtlInitString
RtlPublishWnfStateData
RtlGetVersion
NtQueryWnfStateData
RtlGetPersistedStateLocation
RtlAllocateHeap
RtlImageNtHeader
RtlFreeHeap

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

CompareStringEx
WideCharToMultiByte
MultiByteToWideChar

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

LoadResource
GetModuleHandleW
FindResourceExW
GetModuleFileNameA
GetModuleHandleExW
SizeofResource
LockResource
GetProcAddress

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

LocalAlloc
LocalFree

wkscli

NetGetJoinInformation

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

LookupAccountNameLocalW

netutils

NetApiBufferFree

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

RegCreateKeyExW
RegLoadKeyW
RegQueryValueExW
RegFlushKey
RegQueryInfoKeyW
RegOpenCurrentUser
RegSetValueExW
RegCloseKey
RegGetValueW
RegEnumKeyExW
RegUnLoadKeyW
RegOpenKeyExW
RegDeleteValueW

rpcrt4

NdrMesTypeAlignSize2
UuidCreate
UuidFromStringW
NdrMesTypeEncode2
MesEncodeFixedBufferHandleCreate
MesHandleFree
UuidToStringW
RpcStringFreeW
UuidIsNil
MesBufferHandleReset

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

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

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

HeapReAlloc
HeapFree
HeapSize
HeapDestroy
HeapAlloc
GetProcessHeap

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

CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer

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

FormatMessageW

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

OutputDebugStringW
OutputDebugStringA
DebugBreak
IsDebuggerPresent

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

CloseHandle

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

CoTaskMemAlloc
CoInitializeEx
CoCreateInstance
CoUninitialize
StringFromGUID2

api-ms-win-stateseparation-helpers-l1-1-0

GetPersistedRegistryLocationW

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

lstrcmpiW

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

CompareFileTime

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

FileTimeToSystemTime

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

StrStrIW
StrRStrIW
StrChrNW

wldap32

ord41
ord73
ord203
ord46
ord145
ord88
ord18
ord97
ord26
ord16
ord224
ord140

cryptngc

NgcGetSymmetricPopKeyTransportKey

msvcp110_win

?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPBD@Z
?_Winerror_map@std@@YAPBDH@Z
?_Syserror_map@std@@YAPBDH@Z
?_Xlength_error@std@@YAXPBD@Z

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

VirtualAlloc
VirtualQuery
VirtualProtect

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

CloseFidoAuthenticationSession
CreateAuthBuffer
CreateResourceAccountAuthBuffer
CreateTokenAuthBuffer
CreateTokenAuthBufferEx
GetFidoAuthenticationSessionStatus
GetSerializedAuthBuffer
StartChangingFidoPin
StartFidoAuthenticationSession
StartSigningFidoClientData

Sections

.text
Size: 298KB - Virtual size: 298KB

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: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 208B

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: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9f871a57c8b660b9636a886a3186db6d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

ntdll

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

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

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

wkscli

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

netutils

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

rpcrt4

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

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

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

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-l1-1-0

api-ms-win-stateseparation-helpers-l1-1-0

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

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

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

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

wldap32

cryptngc

msvcp110_win

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

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

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

Exports

Exports

Sections

.text Size: 298KB - Virtual size: 298KB

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

.idata Size: 7KB - Virtual size: 7KB

.didat Size: 512B - Virtual size: 208B

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

.reloc Size: 17KB - Virtual size: 16KB

.text
Size: 298KB - Virtual size: 298KB

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

.idata
Size: 7KB - Virtual size: 7KB

.didat
Size: 512B - Virtual size: 208B

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

.reloc
Size: 17KB - Virtual size: 16KB