PlaySndSrv[.]dll

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General

Target

PlaySndSrv.dll
Size

79KB
MD5

8f39fffba71e1d9afeef124a5df2b48e
SHA1

06d22f9db8fd1765b9d8073a823f196802f60972
SHA256

06a7b74e5179f900d6f300938e288f3660d0f742e762fb781e547f1047a1409d
SHA512

b43a459b7201bd9da222f7e3867c11b76ad75bce3e68ddfe6c7ffd20526dbf5347fd67f8c875c386b0bc31dda744ee99f19a51389892cca4a99401c507e37c39
SSDEEP

1536:rojw8yNRpL2LwOPh8iX6/sQZbMkN4Az/wVpTVda6MyTj7HD+4Be5nj7HD+N:r/4jhUZZNVLwzyuT3zAn34

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
PlaySndSrv.dll

Files

PlaySndSrv.dll
.dll windows:10 windows x86 arch:x86

38e7898047a8bf1fa5d7b5d0c62bbd13

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

PlaySndSrv.pdb

Imports

msvcrt

_onexit
__dllonexit
_unlock
_lock
floor
_except_handler4_common
_ftol2_sse
?terminate@@YAXXZ
_initterm
_amsg_exit
_CIsin
_XcptFilter
malloc
free
_vsnwprintf
__CxxFrameHandler3
_purecall
memset

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

HeapAlloc
HeapFree
GetProcessHeap

ntdll

RtlFreeHeap
RtlInitUnicodeString
RtlAllocateHeap
RtlGetActiveConsoleId
NtCreateFile
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
EtwGetTraceEnableFlags
EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle
EtwTraceMessage

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

SetEvent
WaitForSingleObject
CreateEventW
ResetEvent
CreateMutexW
DeleteCriticalSection
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
WaitForMultipleObjectsEx

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

RaiseException
UnhandledExceptionFilter
GetLastError
SetUnhandledExceptionFilter

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

LoadLibraryExW
FreeLibraryAndExitThread
FreeLibrary
DisableThreadLibraryCalls

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

CoCreateInstance

rpcrt4

RpcServerUnregisterIf
RpcServerUseProtseqEpW
RpcAsyncCompleteCall
RpcServerRegisterIfEx
NdrAsyncServerCall
RpcServerInqCallAttributesW
RpcServerListen

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

GetSystemTimeAsFileTime
GetTickCount
GetSystemDirectoryW

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

GetCurrentProcessId
ProcessIdToSessionId
GetCurrentThreadId
CreateThread
GetCurrentProcess
TerminateProcess

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

CloseHandle

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

Beep

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

CancelIo

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

OpenServiceW
OpenSCManagerW

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

DeviceIoControl
GetOverlappedResult

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

QueryServiceStatus

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

Sleep

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

QueryPerformanceCounter

user32

UnregisterClassA
DoSoundConnect
DoSoundDisconnect

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetClassObject
PlaySoundServerInitialize
PlaySoundServerTerminate

Sections

.text
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

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: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

38e7898047a8bf1fa5d7b5d0c62bbd13

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

ntdll

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

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

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

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

rpcrt4

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

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

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

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

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

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

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

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

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

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

user32

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

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

Exports

Exports

Sections

.text Size: 17KB - Virtual size: 17KB

.data Size: 512B - Virtual size: 1KB

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

.didat Size: 512B - Virtual size: 8B

.rsrc Size: 55KB - Virtual size: 54KB

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

.text
Size: 17KB - Virtual size: 17KB

.data
Size: 512B - Virtual size: 1KB

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

.didat
Size: 512B - Virtual size: 8B

.rsrc
Size: 55KB - Virtual size: 54KB

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