winmm[.]dll | Triage

Resubmissions

12/10/2024, 21:02

241012-zvnqvavgrk 3

12/10/2024, 20:57

241012-zrnlns1clc 3

Sharing

Copy URL Twitter E-mail

General

Target

winmm.dll
Size

98.2MB
MD5

80a44d30270b00c51ef4fd80bac11a6c
SHA1

8e645598421ab33e26accfbb6e537dc8e6ab1e6b
SHA256

730d6bcf340438fffaaf7f20768100c8f9d7fbba2e8e1490d649d5ce0be8d3f1
SHA512

f9585d8b410bdecdf068727aa69d742fa6c7a6a7241780ac842b56ebc74b974968a646010e84d941ac6c6f9e153fec6a24f335b8ec41264d650fb3250648b9a5
SSDEEP

3072:LqrfaKKAiqicMMPDbYB3TjmpaK4MRkJu+e8uiUN+5BiEK9FtS0yRAg0FujLtf/9D:WrCA1+aDbwqahMCTukqOAOdhAxNvg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winmm.dll

Files

winmm.dll
.dll windows:6 windows x86 arch:x86

479eae85065280bde2c9d31db3d1e6d0

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

C:\Users\Cirno\Documents\rpgProjs\loaders\Release\winmm.pdb

Imports

kernel32

GetSystemDirectoryW
DisableThreadLibraryCalls
FreeLibrary
GetProcAddress
LoadLibraryW
lstrcatW
CloseHandle
GetModuleFileNameW
GetModuleHandleW
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
WriteConsoleW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
GetCurrentProcess
TerminateProcess
RaiseException
RtlUnwind
GetLastError
LoadLibraryExW
InterlockedFlushSList
GetFileAttributesExW
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetStdHandle
GetFileType
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
GetProcessHeap
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
ReadConsoleW
CreateFileW
HeapSize

user32

MessageBoxW

Exports

Exports

CloseDriver
DefDriverProc
DriverCallback
DrvGetModuleHandle
GetDriverModuleHandle
NotifyCallbackData
OpenDriver
PlaySound
PlaySoundA
PlaySoundW
SendDriverMessage
WOW32DriverCallback
WOW32ResolveMultiMediaHandle
WOWAppExit
aux32Message
auxGetDevCapsA
auxGetDevCapsW
auxGetNumDevs
auxGetVolume
auxOutMessage
auxSetVolume
joy32Message
joyConfigChanged
joyGetDevCapsA
joyGetDevCapsW
joyGetNumDevs
joyGetPos
joyGetPosEx
joyGetThreshold
joyReleaseCapture
joySetCapture
joySetThreshold
mci32Message
mciDriverNotify
mciDriverYield
mciExecute
mciFreeCommandResource
mciGetCreatorTask
mciGetDeviceIDA
mciGetDeviceIDFromElementIDA
mciGetDeviceIDFromElementIDW
mciGetDeviceIDW
mciGetDriverData
mciGetErrorStringA
mciGetErrorStringW
mciGetYieldProc
mciLoadCommandResource
mciSendCommandA
mciSendCommandW
mciSendStringA
mciSendStringW
mciSetDriverData
mciSetYieldProc
mid32Message
midiConnect
midiDisconnect
midiInAddBuffer
midiInClose
midiInGetDevCapsA
midiInGetDevCapsW
midiInGetErrorTextA
midiInGetErrorTextW
midiInGetID
midiInGetNumDevs
midiInMessage
midiInOpen
midiInPrepareHeader
midiInReset
midiInStart
midiInStop
midiInUnprepareHeader
midiOutCacheDrumPatches
midiOutCachePatches
midiOutClose
midiOutGetDevCapsA
midiOutGetDevCapsW
midiOutGetErrorTextA
midiOutGetErrorTextW
midiOutGetID
midiOutGetNumDevs
midiOutGetVolume
midiOutLongMsg
midiOutMessage
midiOutOpen
midiOutPrepareHeader
midiOutReset
midiOutSetVolume
midiOutShortMsg
midiOutUnprepareHeader
midiStreamClose
midiStreamOpen
midiStreamOut
midiStreamPause
midiStreamPosition
midiStreamProperty
midiStreamRestart
midiStreamStop
mixerClose
mixerGetControlDetailsA
mixerGetControlDetailsW
mixerGetDevCapsA
mixerGetDevCapsW
mixerGetID
mixerGetLineControlsA
mixerGetLineControlsW
mixerGetLineInfoA
mixerGetLineInfoW
mixerGetNumDevs
mixerMessage
mixerOpen
mixerSetControlDetails
mmDrvInstall
mmGetCurrentTask
mmTaskBlock
mmTaskCreate
mmTaskSignal
mmTaskYield
mmioAdvance
mmioAscend
mmioClose
mmioCreateChunk
mmioDescend
mmioFlush
mmioGetInfo
mmioInstallIOProcA
mmioInstallIOProcW
mmioOpenA
mmioOpenW
mmioRead
mmioRenameA
mmioRenameW
mmioSeek
mmioSendMessage
mmioSetBuffer
mmioSetInfo
mmioStringToFOURCCA
mmioStringToFOURCCW
mmioWrite
mmsystemGetVersion
mod32Message
mxd32Message
sndPlaySoundA
sndPlaySoundW
tid32Message
timeBeginPeriod
timeEndPeriod
timeGetDevCaps
timeGetSystemTime
timeGetTime
timeKillEvent
timeSetEvent
waveInAddBuffer
waveInClose
waveInGetDevCapsA
waveInGetDevCapsW
waveInGetErrorTextA
waveInGetErrorTextW
waveInGetID
waveInGetNumDevs
waveInGetPosition
waveInMessage
waveInOpen
waveInPrepareHeader
waveInReset
waveInStart
waveInStop
waveInUnprepareHeader
waveOutBreakLoop
waveOutClose
waveOutGetDevCapsA
waveOutGetDevCapsW
waveOutGetErrorTextA
waveOutGetErrorTextW
waveOutGetID
waveOutGetNumDevs
waveOutGetPitch
waveOutGetPlaybackRate
waveOutGetPosition
waveOutGetVolume
waveOutMessage
waveOutOpen
waveOutPause
waveOutPrepareHeader
waveOutReset
waveOutRestart
waveOutSetPitch
waveOutSetPlaybackRate
waveOutSetVolume
waveOutUnprepareHeader
waveOutWrite
wid32Message
wod32Message

Sections

.text
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 71KB - Virtual size: 71KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 384B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 233B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

479eae85065280bde2c9d31db3d1e6d0

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

Exports

Exports

Sections

.text Size: 165KB - Virtual size: 165KB

.rdata Size: 71KB - Virtual size: 71KB

.data Size: 4KB - Virtual size: 8KB

.gfids Size: 512B - Virtual size: 384B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 512B - Virtual size: 233B

.reloc Size: 10KB - Virtual size: 9KB

.text
Size: 165KB - Virtual size: 165KB

.rdata
Size: 71KB - Virtual size: 71KB

.data
Size: 4KB - Virtual size: 8KB

.gfids
Size: 512B - Virtual size: 384B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 512B - Virtual size: 233B

.reloc
Size: 10KB - Virtual size: 9KB