MFPlay[.]dll | Triage

Sharing

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General

Target

MFPlay.dll
Size

365KB
MD5

984723c3aeb6fa253be314516086d067
SHA1

3f09f6654c377b42ba0df7a5cc78e948164db803
SHA256

7da52699df0538dc7db3003c3f49da3bae5ab1023110ad29fea4935adbeff711
SHA512

1975fdad7cc0eaa9c60af40c205bc927b9b03557304a2193c1cc8de3b45042e1ada64d4fb0e87acb0e93ac7f65ae57487d2105d71857695cf1ed9ef7630c4d1c
SSDEEP

6144:il+h0W0qor1fzW06LRtZF3MGP1zo/BAd3VX8MaCJKQSVUVclgDbP0QGcK9xzMb64:ZdK5Hp1jWeQpT2Qmw

Score

1^/10

Malware Config

Signatures

Files

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

cc8cbd385e9c6f46b407a7e7dd6ab6cd

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/03/2020, 18:30

Not After

03/03/2021, 18:30

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

71:07:63:bf:46:6e:ee:f6:f6:55:f8:4d:21:73:ea:7a:0d:ec:b2:c2:76:d3:e1:a7:1d:20:96:10:70:89:63:11
Signer

Actual PE Digest

71:07:63:bf:46:6e:ee:f6:f6:55:f8:4d:21:73:ea:7a:0d:ec:b2:c2:76:d3:e1:a7:1d:20:96:10:70:89:63:11

Digest Algorithm

sha256

PE Digest Matches

true

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

MFPlay.pdb

Imports

msvcrt

malloc
realloc
_unlock
__dllonexit
??1type_info@@UAE@XZ
_initterm
_amsg_exit
_XcptFilter
_onexit
_errno
_except_handler4_common
memset
_callnewh
_vsnwprintf
_wcsnicmp
_purecall
wcscat_s
wcscpy_s
wcsncpy_s
memcpy_s
free
_lock
_CxxThrowException
__CxxFrameHandler3
_ftol2_sse
memcpy

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

SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError
GetLastError
RaiseException

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

TlsSetValue
GetCurrentProcessId
TlsGetValue
GetCurrentProcess
TerminateProcess
GetCurrentThreadId

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

MultiByteToWideChar

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

LoadLibraryExW
FindResourceExW
LoadResource
FreeLibrary
GetProcAddress
SizeofResource
GetModuleFileNameW
DisableThreadLibraryCalls
GetModuleHandleW

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

InitializeCriticalSection
WaitForSingleObject
DeleteCriticalSection
Sleep
SetEvent
LeaveCriticalSection
CreateEventW
EnterCriticalSection

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

CharNextW

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

GetTraceLoggerHandle
GetTraceEnableFlags
RegisterTraceGuidsW
GetTraceEnableLevel
UnregisterTraceGuids
TraceMessage

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

RegQueryInfoKeyW
RegEnumKeyExW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
RegDeleteValueW
RegOpenKeyExW

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

lstrcmpiW

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

EventUnregister
EventWrite
EventRegister

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

CloseHandle

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

GetProcessHeap
HeapFree
HeapAlloc

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

GetTickCount
GetSystemTimeAsFileTime

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

QueryPerformanceCounter

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

IsDebuggerPresent
OutputDebugStringA
DebugBreak

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

ApiSetQueryApiSetPresence

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
MFPCreateMediaPlayer
MFPCreateMediaPlayerEx

Sections

.text
Size: 296KB - Virtual size: 296KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 276B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cc8cbd385e9c6f46b407a7e7dd6ab6cd

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

71:07:63:bf:46:6e:ee:f6:f6:55:f8:4d:21:73:ea:7a:0d:ec:b2:c2:76:d3:e1:a7:1d:20:96:10:70:89:63:11Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 296KB - Virtual size: 296KB

.data Size: 2KB - Virtual size: 4KB

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

.didat Size: 512B - Virtual size: 276B

.rsrc Size: 26KB - Virtual size: 26KB

.reloc Size: 23KB - Virtual size: 23KB

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

71:07:63:bf:46:6e:ee:f6:f6:55:f8:4d:21:73:ea:7a:0d:ec:b2:c2:76:d3:e1:a7:1d:20:96:10:70:89:63:11
Signer

.text
Size: 296KB - Virtual size: 296KB

.data
Size: 2KB - Virtual size: 4KB

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

.didat
Size: 512B - Virtual size: 276B

.rsrc
Size: 26KB - Virtual size: 26KB

.reloc
Size: 23KB - Virtual size: 23KB