MCRecvSrc[.]dll

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General

Target

MCRecvSrc.dll
Size

626KB
MD5

21ee4ed0c66fb55daf13625ec007ca89
SHA1

b63cadb99baf8b22c8c9bd489d8dd5461024e0ec
SHA256

4551e8c2aa40a0b0abe2e361dab3fab8f531d693b5931ab76f3bd915da5e3ffc
SHA512

a5336c0c5aa922a71170697c5cf34701200cbcc3aab2226afdb7a1cafa268f5b29cb469b6e26835bd820b175abdff54079cdae944a50af9f90e6609e1a79f2bf
SSDEEP

12288:pDJ3R8akb5ARf/wRzctd0pjohYg4q+ZCwcl+4zLlKNoA/ff8kjYR:zfIRzUdt+ZCwIx0L/ff8yYR

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

e058fa197c057c9187dff064d4669f01

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

strncmp
_strnicmp
isdigit
isalpha
toupper
_wcsnicmp
_except_handler4_common
iswdigit
_callnewh
wcsncmp
towupper
strchr
memmove
_onexit
__dllonexit
_unlock
_lock
__CxxFrameHandler3
_vsnwprintf
_ultow_s
_initterm
malloc
_amsg_exit
_XcptFilter
_ltoa_s
_ultoa_s
iswalpha
iswxdigit
rand
_wcsicmp
_ltow_s
_ui64tow_s
wcsstr
towlower
memchr
_i64tow_s
qsort
wcsrchr
free
wcschr
_purecall
_ftol2
_ftol2_sse
memcmp
memcpy
memset

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

EventWriteTransfer
EventUnregister
EventSetInformation
EventRegister
EventWrite

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

DecodePointer
EncodePointer

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

GetTraceEnableFlags
GetTraceEnableLevel
RegisterTraceGuidsW
UnregisterTraceGuids
GetTraceLoggerHandle
TraceMessage

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

WaitForSingleObject
SetEvent
ReleaseSRWLockShared
InitializeSRWLock
AcquireSRWLockShared
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
AcquireSRWLockExclusive
CreateEventW
Sleep
ReleaseSRWLockExclusive

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

LoadLibraryExW
GetModuleFileNameW
FreeLibrary
GetProcAddress
DisableThreadLibraryCalls

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

QueryPerformanceCounter
QueryPerformanceFrequency

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

GetCurrentThreadId
GetExitCodeProcess
TlsGetValue
OpenProcess
TerminateProcess
GetCurrentProcess
TlsSetValue
GetCurrentProcessId

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

GetSystemTime
GetLocalTime
GetTickCount
GetTickCount64
GetSystemTimeAsFileTime

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

GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RaiseException
SetLastError

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

GetProcessHeap
HeapAlloc
HeapFree

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

CompareStringOrdinal
MultiByteToWideChar
WideCharToMultiByte

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

CreateFileW
SetFilePointer
ReadFile

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

CloseHandle

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

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

SystemTimeToFileTime
FileTimeToSystemTime

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

RegDeleteValueW
RegEnumValueW
RegCreateKeyExW
RegQueryValueExW
RegSetValueExW
RegCloseKey

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

GetComputerNameW

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

GetFileVersionInfoW

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

VerQueryValueW

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

IsDebuggerPresent
DebugBreak

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

ApiSetQueryApiSetPresence

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 574KB - Virtual size: 573KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 308B

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: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e058fa197c057c9187dff064d4669f01

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-l1-2-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 574KB - Virtual size: 573KB

.data Size: 4KB - Virtual size: 8KB

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

.didat Size: 512B - Virtual size: 308B

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

.reloc Size: 40KB - Virtual size: 39KB

.text
Size: 574KB - Virtual size: 573KB

.data
Size: 4KB - Virtual size: 8KB

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

.didat
Size: 512B - Virtual size: 308B

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

.reloc
Size: 40KB - Virtual size: 39KB