PlaySndSrv[.]dll

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General

Target

PlaySndSrv.dll
Size

75KB
MD5

f58516e2dc0d963ef70d6bfc21fd82c4
SHA1

4100134e63fc06dda0263e6e1cb5fedffac93e3e
SHA256

5689bf12b43be0d6bfbd6b9122a2ff53fcec766a58a0f3c6b88ae504acb10e04
SHA512

df595b0b3a17e5b614123b8a09ea610fbab6bed32825f13ff7e95b5bc165c938df814bcf6cad7f4a0eac62a272f5d0dff66f8d9ba1389e16b2e302d7f15922b3
SSDEEP

1536:mQCHtilInean6ZiOkN4Az/wVpTVda6MyTj7HD+4Be5nj7HD+:UKan6ZiDNVLwzyuT3zAn3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
PlaySndSrv.dll

Files

PlaySndSrv.dll
.dll windows:6 windows x86 arch:x86

45bd34031dce0da005302262243b6a77

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

PlaySndSrv.pdb

Imports

msvcrt

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

ntdll

EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle
EtwRegisterTraceGuidsW
EtwUnregisterTraceGuids
EtwTraceMessage
NtCreateFile
RtlInitUnicodeString
RtlFreeHeap
RtlAllocateHeap
EtwGetTraceEnableFlags

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

QueryServiceStatus

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

OpenServiceW
OpenSCManagerW

user32

UnregisterClassA
DoSoundConnect
DoSoundDisconnect

rpcrt4

NdrAsyncServerCall
RpcServerUseProtseqEpW
RpcServerRegisterIfEx
RpcServerListen
RpcServerUnregisterIf
RpcAsyncCompleteCall
RpcServerInqCallAttributesW

kernel32

TerminateProcess
GetSystemTimeAsFileTime
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
Sleep
GetCurrentProcess
InterlockedExchange
GetVersionExA
LoadLibraryW
CreateThread
CreateEventW
GetOverlappedResult
ResetEvent
WaitForMultipleObjectsEx
CancelIo
FreeLibraryAndExitThread
DeviceIoControl
SetEvent
WaitForSingleObject
GetCurrentProcessId
ProcessIdToSessionId
SetUnhandledExceptionFilter
UnhandledExceptionFilter
HeapAlloc
CreateMutexW
CloseHandle
Beep
GetSystemDirectoryW
LoadLibraryExW
LoadLibraryExA
InterlockedCompareExchange
FreeLibrary
GetLastError
GetProcAddress
DelayLoadFailureHook
InterlockedDecrement
InterlockedIncrement
DisableThreadLibraryCalls
DeleteCriticalSection
InitializeCriticalSection
GetProcessHeap
HeapFree
RaiseException
EnterCriticalSection
LeaveCriticalSection

Exports

Exports

DllCanUnloadNow
DllGetClassObject
PlaySoundServerInitialize
PlaySoundServerTerminate

Sections

.text
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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

45bd34031dce0da005302262243b6a77

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

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

user32

rpcrt4

kernel32

Exports

Exports

Sections

.text Size: 16KB - Virtual size: 16KB

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

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

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

.text
Size: 16KB - Virtual size: 16KB

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

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

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