PlaySndSrv[.]dll

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General

Target

PlaySndSrv.dll
Size

77KB
MD5

4648540b5642077bdb6fa8d725ee67b7
SHA1

1b48aefa40b9051ef556c80e84153fca5dfa11c2
SHA256

d3c63a2fa9fab913dac94fba2ebedc4561b2d1be6dad97ccd3bc600f5bc1972d
SHA512

b2477a486156cd1c397a9bf1399db67533787882b2631847d3c961e162585d89a99d486126dfdbac77e71e644cd2f003ee436c0d4c48871b5fa456aac5c6d570
SSDEEP

1536:346T4kEHvYxHBinkN4Az/wVpTVda6MyTj7HD+4Be5nj7HD+XF:3xHUkNVLwzyuT3zAn3A

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

81e0c71d995fc79ca2faca9a23126f48

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

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

ntdll

RtlAllocateHeap
NtCreateFile
RtlInitUnicodeString
RtlFreeHeap
EtwTraceMessage
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
EtwGetTraceEnableFlags
EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle

api-ms-win-service-winsvc-l1-2-0

QueryServiceStatus

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

OpenServiceW
OpenSCManagerW

user32

UnregisterClassA
DoSoundDisconnect
DoSoundConnect

rpcrt4

NdrAsyncServerCall
RpcServerInqCallAttributesW
RpcServerUnregisterIf
RpcServerUseProtseqEpW
RpcServerListen
RpcAsyncCompleteCall
RpcServerRegisterIfEx

kernel32

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

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: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 16B

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

81e0c71d995fc79ca2faca9a23126f48

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

api-ms-win-service-winsvc-l1-2-0

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

user32

rpcrt4

kernel32

Exports

Exports

Sections

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

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

.idata Size: 2KB - Virtual size: 2KB

.didat Size: 512B - Virtual size: 16B

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

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

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

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

.idata
Size: 2KB - Virtual size: 2KB

.didat
Size: 512B - Virtual size: 16B

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

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