eapphost[.]dll

Sharing

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General

Target

eapphost.dll
Size

252KB
MD5

26c537a2c8151e9a82e70e6d4123994d
SHA1

845efd0c8db2ed80d7bcfe6a810a76db6ff65eed
SHA256

c3f4b3409199738ab97705ce2c202ed2c41770ff432ad3113310122e0941ef7a
SHA512

e6ce9b06125d12a24b71a098501d7f5d088ccbcccea9cf861e0a9e696e715a19793b4b942a46d26d4e345c6d7c6c1c8ead154a1f0600967f5f363d0aab3e69c0
SSDEEP

6144:wSRpLYwM7PIyCdjF9LEvB4D/jxYR9++Y2LKDwPzXc/gmgmgNHCf:wSj0wYIRj/Evy/jxYR9dY2/D0g/A

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
eapphost.dll

Files

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

96eabc0caab0499d445c6a8244d93869

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

eapphost.pdb

Imports

msvcrt

_amsg_exit
_XcptFilter
??0exception@@QAE@ABQBDH@Z
?what@exception@@UBEPBDXZ
memcmp
_wtol
_initterm
_wsetlocale
__crtLCMapStringA
swprintf_s
_wcsdup
memmove_s
realloc
abort
sprintf_s
islower
isupper
__pctype_func
memset
?terminate@@YAXXZ
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
___lc_codepage_func
___lc_handle_func
_errno
___mb_cur_max_func
??0exception@@QAE@XZ
_unlock
_vsnprintf_s
wcsncpy_s
_lock
malloc
free
memcpy_s
setlocale
__uncaught_exception
memmove
wcscpy_s
memcpy
_CxxThrowException
calloc
wcsrchr
__RTtypeid
?name@type_info@@QBEPBDXZ
strcspn
localeconv
_wcsicmp
__dllonexit
??0exception@@QAE@ABQBD@Z
_onexit
??1type_info@@UAE@XZ
_vsnwprintf
_vsnprintf
_ismbblead
_except_handler4_common
_purecall
??0bad_cast@@QAE@ABV0@@Z
??0bad_cast@@QAE@PBD@Z
??1bad_cast@@UAE@XZ
__CxxFrameHandler3

ntdll

EtwEventRegister
EtwEventSetInformation
EtwGetTraceLoggerHandle
EtwGetTraceEnableLevel
EtwGetTraceEnableFlags
EtwRegisterTraceGuidsW
EtwUnregisterTraceGuids
EtwEventEnabled
EtwEventWriteTransfer
WinSqmSetDWORD
DbgPrint
EtwEventUnregister
EtwTraceMessage
WinSqmAddToStream

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

OpenProcess

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

SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetLastError
RaiseException

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

CloseHandle
DuplicateHandle
GetHandleInformation

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

GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
TerminateProcess

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

FormatMessageW

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

ImpersonateLoggedOnUser
RevertToSelf

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

CredDeleteW
CredProtectW
CredReadW
CredFree

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

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

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

LoadResource
SizeofResource
DisableThreadLibraryCalls
GetModuleHandleExW
GetModuleFileNameA
FreeLibrary
FindResourceExW
GetModuleHandleW
GetProcAddress
LoadLibraryExW
GetModuleFileNameW

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

RegQueryInfoKeyW
RegCreateKeyExW
RegQueryValueExW
RegLoadMUIStringW
RegEnumKeyExW
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
RegCloseKey

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

CharNextW

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

WideCharToMultiByte
MultiByteToWideChar

rpcrt4

NdrDllGetClassObject
NdrCStdStubBuffer_Release
NdrDllUnregisterProxy
CStdStubBuffer_Invoke
NdrDllCanUnloadNow
IUnknown_AddRef_Proxy
CStdStubBuffer_Connect
CStdStubBuffer_IsIIDSupported
IUnknown_QueryInterface_Proxy
NdrDllRegisterProxy
CStdStubBuffer_Disconnect
CStdStubBuffer_DebugServerQueryInterface
CStdStubBuffer_DebugServerRelease
NdrOleAllocate
CStdStubBuffer_QueryInterface
NdrOleFree
CStdStubBuffer_CountRefs
IUnknown_Release_Proxy
CStdStubBuffer_AddRef

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

ObjectStublessClient8
ObjectStublessClient5
ObjectStublessClient13
ObjectStublessClient6
ObjectStublessClient9
ObjectStublessClient7
ObjectStublessClient15
ObjectStublessClient3
ObjectStublessClient10
ObjectStublessClient16
ObjectStublessClient4
ObjectStublessClient11
ObjectStublessClient14
ObjectStublessClient12

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

LoadLibraryW

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

HeapSize
HeapAlloc
GetProcessHeap
HeapFree

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

OutputDebugStringW
IsDebuggerPresent
OutputDebugStringA
DebugBreak

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

CloseThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CreateThreadpoolTimer

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

LocalAlloc
LocalFree

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

GetSystemTimeAsFileTime
GetSystemDirectoryW
GetVersionExW
GetSystemInfo
GetTickCount

ncrypt

NCryptOpenStorageProvider
NCryptSetProperty
NCryptFreeObject

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

CreateFileW

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

MapViewOfFile
UnmapViewOfFile
CreateFileMappingW

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

ExpandEnvironmentStringsW

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

EncodePointer
DecodePointer

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

Sleep

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

QueryPerformanceCounter

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

lstrcmpiW

wkscli

NetGetJoinInformation

netutils

NetApiBufferFree

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
InitializeEapHost
OnSessionChange
StopServiceOnLowPower
UninitializeEapHost

Sections

.text
Size: 219KB - Virtual size: 218KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 84B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

96eabc0caab0499d445c6a8244d93869

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

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

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

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

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

ncrypt

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

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

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

wkscli

netutils

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

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

Exports

Exports

Sections

.text Size: 219KB - Virtual size: 218KB

.data Size: 7KB - Virtual size: 10KB

.idata Size: 8KB - Virtual size: 7KB

.didat Size: 512B - Virtual size: 84B

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

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

.text
Size: 219KB - Virtual size: 218KB

.data
Size: 7KB - Virtual size: 10KB

.idata
Size: 8KB - Virtual size: 7KB

.didat
Size: 512B - Virtual size: 84B

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

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