MMDevAPI[.]dll

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General

Target

MMDevAPI.dll
Size

208KB
MD5

243974ec02f7ae49e4179c54624143ab
SHA1

53ae0a94f99fef553e45f45d9d10080ba455c926
SHA256

755fa67f7bf10e3c6336788d297fbaa70f28f630852a43a78d3f7d7e3a7eced0
SHA512

004e21ee91023537f73d4831105c0ed501290ba523634ee725e06dfd4d41c00ada0c9b169c1a09e9179b200a975771f73212d0f69b90b0c757685caa8f01de0a
SSDEEP

3072:F6L/c9fhjH1yZxhh3tx4jEMSLgQF73B/HVijpPzkA5lhnAA:FQwpBy3h5/PMSLgy3h1ipoA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MMDevAPI.dll

Files

MMDevAPI.dll
.dll regsvr32 windows:6 windows x86 arch:x86

0bf0e9461940b30be8f356c746acaa17

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

MMDevAPI.pdb

Imports

msvcrt

wcstol
_ftol2_sse
_onexit
_lock
__dllonexit
_unlock
_errno
realloc
_except_handler4_common
??1type_info@@UAE@XZ
_amsg_exit
_initterm
_XcptFilter
_vsnprintf
_wtoi
memcpy
wcsncmp
_wcsicmp
_vsnwprintf
wcstoul
_resetstkoflw
calloc
wcscat_s
wcscpy_s
memmove_s
memset
_purecall
__CxxFrameHandler3
wcsncpy_s
_CxxThrowException
memcpy_s
free
malloc

ntdll

EtwNotificationRegister
EtwSendNotification
EtwNotificationUnregister
ShipAssert
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
EtwGetTraceLoggerHandle
EtwGetTraceEnableLevel
EtwGetTraceEnableFlags
EtwTraceMessage
EtwLogTraceEvent

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

RegEnumValueW
RegDeleteKeyExW
RegDeleteTreeW
RegQueryValueExW
RegEnumKeyExW
RegQueryInfoKeyW
RegSetValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
RegDeleteValueW
RegGetValueW

api-ms-win-service-management-l1-1-0

OpenServiceW
OpenSCManagerW
CloseServiceHandle

api-ms-win-service-management-l2-1-0

NotifyServiceStatusChangeW
QueryServiceStatusEx

user32

UnregisterClassA
LoadStringW
SendMessageTimeoutW
RegisterClassW
CreateWindowExW
SetWindowLongW
PeekMessageW
MsgWaitForMultipleObjectsEx
UnregisterClassW
TranslateMessage
DispatchMessageW
GetWindowLongW
DestroyWindow
PostQuitMessage
DefWindowProcW
RegisterDeviceNotificationW
UnregisterDeviceNotification
PostMessageW
CharNextW

rpcrt4

RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcStringFreeW
NdrClientCall2

propsys

InitPropVariantFromStringVector
InitPropVariantFromCLSID

kernel32

GetVersionExA
IsDebuggerPresent
GetLocalTime
OutputDebugStringA
CreateThreadpoolCleanupGroup
TrySubmitThreadpoolCallback
CloseThreadpoolCleanupGroupMembers
CloseThreadpoolCleanupGroup
WaitForSingleObjectEx
ResetEvent
LoadLibraryExA
InterlockedCompareExchange
HeapDestroy
FormatMessageW
WerRegisterMemoryBlock
SystemTimeToFileTime
DeviceIoControl
CompareStringOrdinal
UnregisterWaitEx
RegisterWaitForSingleObject
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
HeapReAlloc
HeapSize
InterlockedExchange
SetUnhandledExceptionFilter
QueryPerformanceCounter
GetTickCount
GetSystemTimeAsFileTime
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
DelayLoadFailureHook
CompareFileTime
CreateEventW
CreateThread
WaitForMultipleObjects
GetExitCodeThread
SetLastError
SetEvent
CreateFileW
Sleep
GetCurrentProcessId
ProcessIdToSessionId
CloseHandle
GetCurrentThreadId
WaitForSingleObject
GetSystemTime
GetThreadLocale
SetThreadLocale
CompareStringW
DisableThreadLibraryCalls
InitOnceExecuteOnce
GetModuleFileNameW
LoadLibraryExW
FindResourceW
lstrcmpiW
LoadResource
SizeofResource
MultiByteToWideChar
FreeLibrary
HeapFree
GetProcessHeap
GetModuleHandleW
GetProcAddress
lstrlenW
RaiseException
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetLastError
InterlockedIncrement
InterlockedDecrement
LoadLibraryW
HeapAlloc

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 189KB - Virtual size: 189KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

RT_CODE
Size: 512B - Virtual size: 28B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

RT_BSS
Size: - Virtual size: 32B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

RT_DATA
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0bf0e9461940b30be8f356c746acaa17

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

api-ms-win-service-management-l1-1-0

api-ms-win-service-management-l2-1-0

user32

rpcrt4

propsys

kernel32

Exports

Exports

Sections

.text Size: 189KB - Virtual size: 189KB

RT_CODE Size: 512B - Virtual size: 28B

RT_BSS Size: - Virtual size: 32B

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

RT_DATA Size: 512B - Virtual size: 32B

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 11KB - Virtual size: 10KB

.text
Size: 189KB - Virtual size: 189KB

RT_CODE
Size: 512B - Virtual size: 28B

RT_BSS
Size: - Virtual size: 32B

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

RT_DATA
Size: 512B - Virtual size: 32B

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 11KB - Virtual size: 10KB