MCRecvSrc[.]dll

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General

Target

MCRecvSrc.dll
Size

830KB
MD5

a2cb17a499c5ea04c69df09795a251d5
SHA1

75fdf43c9bc6efc58c5d4c1bcf5442d26c9bd508
SHA256

696802ba92d5133d28dbacd9866f1942beb6e0b275338cf5df9a3c4bdf5b0ec3
SHA512

bb7f9b8480eef1fb2284560f052ed8965599ff659e00bfcb4cd71b0cb16809781ec37a3038d23f1a95a60eefa61d4da063d6db5b7bc3c1c6ab782f0b78bc01be
SSDEEP

12288:cdE8pe5PUctrZ3OFKp36xMcguLGYR/tGrkqiZW0m3LgYbdWC/yCX2+EWF:D/UctIgpcMcgyG0c8U0gLgYFnJEWF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MCRecvSrc.dll

Files

MCRecvSrc.dll
.dll windows:10 windows x86 arch:x86

69ad6239e67ca0ee01303ade05d6a531

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

MCRecvSrc.pdb

Imports

msvcrt

??0exception@@QAE@ABQBD@Z
?what@exception@@UBEPBDXZ
_CxxThrowException
??0exception@@QAE@XZ
memcpy
_callnewh
realloc
iswalpha
_ltoa_s
_ultow_s
memmove
??1type_info@@UAE@XZ
toupper
isalpha
isdigit
??0exception@@QAE@ABQBDH@Z
wcschr
_strnicmp
memcmp
strncmp
iswdigit
_except_handler4_common
_onexit
__dllonexit
_unlock
_wcsnicmp
towupper
wcsncmp
??1exception@@UAE@XZ
_lock
??0exception@@QAE@ABV0@@Z
__CxxFrameHandler3
strchr
iswxdigit
rand
_wcsicmp
_ltow_s
_ui64tow_s
wcsstr
towlower
memchr
_ultoa_s
_vsnprintf_s
_i64tow_s
qsort
wcsrchr
strncpy_s
strnlen
?terminate@@YAXXZ
memcpy_s
_initterm
malloc
free
_amsg_exit
_XcptFilter
_purecall
_vsnwprintf
??3@YAXPAX@Z
_ftol2
_ftol2_sse
memset

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

EventRegister
EventSetInformation
EventUnregister
EventWriteTransfer

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

EncodePointer
DecodePointer

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

UnregisterTraceGuids
GetTraceEnableLevel
RegisterTraceGuidsW
TraceMessage
GetTraceLoggerHandle
GetTraceEnableFlags

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

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

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

LoadLibraryExW
FreeLibrary
DisableThreadLibraryCalls
GetModuleHandleW
GetProcAddress
GetModuleFileNameW
GetModuleHandleExW
GetModuleFileNameA

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

WakeAllConditionVariable
Sleep
SleepConditionVariableSRW

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

QueryPerformanceFrequency
QueryPerformanceCounter

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

TerminateProcess
GetCurrentThreadId
TlsSetValue
TlsGetValue
GetExitCodeProcess
GetCurrentProcess
GetCurrentProcessId

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

GetSystemTime
GetSystemTimeAsFileTime
GetTickCount64
GetLocalTime
GetTickCount

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

GetLastError
UnhandledExceptionFilter
SetLastError
SetUnhandledExceptionFilter
RaiseException

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

HeapFree
HeapAlloc
GetProcessHeap

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

CompareStringOrdinal
WideCharToMultiByte
MultiByteToWideChar

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

FormatMessageW

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

CloseHandle

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

SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CreateThreadpoolTimer
CloseThreadpoolTimer

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

RecordFeatureUsage
SubscribeFeatureStateChangeNotification
GetFeatureEnabledState
UnsubscribeFeatureStateChangeNotification

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

SetFilePointer
ReadFile
CreateFileW

dxgi

CreateDXGIFactory2

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

crypt32

CryptStringToBinaryW

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

FileTimeToSystemTime
SystemTimeToFileTime

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

RegQueryValueExW
RegSetValueExW
RegCloseKey
RegDeleteValueW
RegEnumValueW
RegCreateKeyExW

api-ms-win-core-kernel32-legacy-l1-1-0

GetComputerNameW

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

OpenProcess

api-ms-win-core-version-l1-1-1

GetFileVersionInfoW

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

VerQueryValueW

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 754KB - Virtual size: 754KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 352B

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: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

69ad6239e67ca0ee01303ade05d6a531

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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-synch-l1-1-0

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

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

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

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

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

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

dxgi

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

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

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

crypt32

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

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

api-ms-win-core-kernel32-legacy-l1-1-0

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

api-ms-win-core-version-l1-1-1

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

Exports

Exports

Sections

.text Size: 754KB - Virtual size: 754KB

.data Size: 3KB - Virtual size: 10KB

.idata Size: 6KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 352B

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

.reloc Size: 63KB - Virtual size: 63KB

.text
Size: 754KB - Virtual size: 754KB

.data
Size: 3KB - Virtual size: 10KB

.idata
Size: 6KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 352B

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

.reloc
Size: 63KB - Virtual size: 63KB