MSAudDecMFT[.]dll

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General

Target

MSAudDecMFT.dll
Size

450KB
MD5

9ea22e93118c6be00c705df8a87f4e28
SHA1

df3b98724073c5d29d485765116acc27fe5afb6d
SHA256

dc983fcdd8e20efd7b64346ec2a6fcc893c8c6050a5cab1d9f8927b6f3e41944
SHA512

ceeeb58d0c6571453d77360b89d877a4282885412176607cc3e02933d83468e60db96ec2e991992b8358d822ca061b11311b687f5f515ffa00a6e7fb97cd6a7b
SSDEEP

12288:4ptEJTK+xKKZf4TGGValv1sI+P5fvm1HwpZMr7u5Q26MTu:4Ym+x9l4On+P5fvkwpZMr7u5Q26MC

Score

1^/10

Malware Config

Signatures

Files

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

fdbaa6c8238bd0480d6b4a9c14c82ef3

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

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

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

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

c3:19:be:cb:b6:a6:e5:11:75:00:b0:75:15:9f:65:fa:eb:6f:0d:94:af:f5:56:2e:20:38:96:78:e8:f5:96:f4
Signer

Actual PE Digest

c3:19:be:cb:b6:a6:e5:11:75:00:b0:75:15:9f:65:fa:eb:6f:0d:94:af:f5:56:2e:20:38:96:78:e8:f5:96:f4

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

MSAudDecMFT.pdb

Imports

msvcrt

memcmp
_ftol2_sse
_vsnwprintf_s
?terminate@@YAXXZ
memcpy
strnlen
wcsnlen
time
__CxxFrameHandler3
memmove
_except_handler4_common
_initterm
_amsg_exit
_XcptFilter
srand
_aligned_malloc
_aligned_free
_control87
_clearfp
memcpy_s
calloc
_callnewh
malloc
free
rand
_purecall
_CIpow
_ftol2
memset

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

VirtualProtect
VirtualAlloc
VirtualFree

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

UnhandledExceptionFilter
GetLastError
SetUnhandledExceptionFilter
SetLastError

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

InitializeCriticalSectionEx
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection

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

GetCurrentProcessId
GetCurrentThread
GetCurrentProcess
GetCurrentThreadId
TerminateProcess

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

DisableThreadLibraryCalls
GetProcAddress
GetModuleHandleExW
LoadLibraryExW
GetModuleHandleW
GetModuleFileNameA
GetModuleFileNameW

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

RaiseFailFastException

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

CloseHandle

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

GetSystemTimeAsFileTime
GetLocalTime
GlobalMemoryStatusEx
GetVersionExW
GetTickCount

mfperfhelper

ord53
ord47
ord51
ord1
ord34
ord52
ord43
ord8
ord61
ord60
ord64
ord63
ord50
ord62

ntdll

RtlGetPersistedStateLocation

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

RegEnumKeyExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
RegSetValueExW
RegQueryValueExW

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

MultiByteToWideChar

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

HeapFree
HeapAlloc
GetProcessHeap

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

MulDiv

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

GetDiskFreeSpaceW

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

DeviceIoControl

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

FreeEnvironmentStringsA
GetEnvironmentStringsW
FreeEnvironmentStringsW

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

LocalFree
LocalAlloc

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 422KB - Virtual size: 422KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

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: 84B

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: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fdbaa6c8238bd0480d6b4a9c14c82ef3

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

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

Key Usages

c3:19:be:cb:b6:a6:e5:11:75:00:b0:75:15:9f:65:fa:eb:6f:0d:94:af:f5:56:2e:20:38:96:78:e8:f5:96:f4Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

api-ms-win-core-handle-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

mfperfhelper

ntdll

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 422KB - Virtual size: 422KB

.data Size: 1024B - Virtual size: 2KB

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

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

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

.reloc Size: 7KB - Virtual size: 6KB

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

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

c3:19:be:cb:b6:a6:e5:11:75:00:b0:75:15:9f:65:fa:eb:6f:0d:94:af:f5:56:2e:20:38:96:78:e8:f5:96:f4
Signer

.text
Size: 422KB - Virtual size: 422KB

.data
Size: 1024B - Virtual size: 2KB

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

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

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

.reloc
Size: 7KB - Virtual size: 6KB