MFPlay[.]dll | Triage

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General

Target

MFPlay.dll
Size

455KB
MD5

83aae5881e29f8b58b918f4933214600
SHA1

c554c0e3056baefa4c6ddfc46a3f893faa55bf0d
SHA256

83b80238f81593ed3e5cc6e523351867d1060437fd9bd4b0dd7e99f73b859c6c
SHA512

49074b1c3d9a6bb219f2179bb1c0fa2bf003e29d07468e21711127ee5907dbb561beb0c2eb9591e1229b312c7dfc5308b676a34366e5f319b84d3fe00b3ff456
SSDEEP

6144:fO385LpMO1RmraKnbr2ymoy7Br036vrqeohAc4fhxj:f1DMO1wraK32ymoy7V0qJohT4f/j

Score

1^/10

Malware Config

Signatures

Files

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

94d5667747daa4c4935b5a5716f2451a

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

49:d8:3e:62:f5:ce:5b:da:16:72:bd:00:c3:e2:1a:87:64:47:98:b8:58:c1:3d:87:1b:a1:7a:a6:21:f7:12:99
Signer

Actual PE Digest

49:d8:3e:62:f5:ce:5b:da:16:72:bd:00:c3:e2:1a:87:64:47:98:b8:58:c1:3d:87:1b:a1:7a:a6:21:f7:12:99

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

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

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

InitializeCriticalSection
WaitForSingleObject
SetEvent
CreateEventW
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection

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

RaiseException
UnhandledExceptionFilter
GetLastError
SetLastError
SetUnhandledExceptionFilter

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

GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
TlsGetValue
TerminateProcess
TlsSetValue

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

CompareStringOrdinal
MultiByteToWideChar

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

FindResourceExW
GetProcAddress
FreeLibrary
GetModuleFileNameW
DisableThreadLibraryCalls
LoadLibraryExW
GetModuleHandleExW
LoadResource
GetModuleHandleW
SizeofResource

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

CharNextW

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

GetTraceEnableLevel
UnregisterTraceGuids
TraceMessage
GetTraceLoggerHandle
RegisterTraceGuidsW
GetTraceEnableFlags

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

RegDeleteValueW
RegSetValueExW
RegOpenKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegCloseKey
RegCreateKeyExW

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

lstrcmpiW

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

EventUnregister
EventWriteTransfer
EventRegister

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

CloseHandle

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

GetProcessHeap
HeapAlloc
HeapFree

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

Sleep

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

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

IsDebuggerPresent
DebugBreak
OutputDebugStringA

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

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
MFPCreateMediaPlayer
MFPCreateMediaPlayerEx

Sections

.text
Size: 368KB - Virtual size: 368KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 272B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

94d5667747daa4c4935b5a5716f2451a

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

49:d8:3e:62:f5:ce:5b:da:16:72:bd:00:c3:e2:1a:87:64:47:98:b8:58:c1:3d:87:1b:a1:7a:a6:21:f7:12:99Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 368KB - Virtual size: 368KB

.data Size: 512B - Virtual size: 4KB

.idata Size: 4KB - Virtual size: 3KB

.didat Size: 512B - Virtual size: 272B

.rsrc Size: 33KB - Virtual size: 33KB

.reloc Size: 35KB - Virtual size: 34KB

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

49:d8:3e:62:f5:ce:5b:da:16:72:bd:00:c3:e2:1a:87:64:47:98:b8:58:c1:3d:87:1b:a1:7a:a6:21:f7:12:99
Signer

.text
Size: 368KB - Virtual size: 368KB

.data
Size: 512B - Virtual size: 4KB

.idata
Size: 4KB - Virtual size: 3KB

.didat
Size: 512B - Virtual size: 272B

.rsrc
Size: 33KB - Virtual size: 33KB

.reloc
Size: 35KB - Virtual size: 34KB