U:\mpeg4\PC_Mpeg4_DEC_Windows\build\vs2010_x64\mpeg4dec_x86\dllmpeg4dec\x64\Release\mpeg4dec.pdb
Static task
static1
Behavioral task
behavioral1
Sample
mpeg4dec.dll
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
mpeg4dec.dll
Resource
win10v2004-20240426-en
General
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Target
mpeg4dec.dll
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Size
181KB
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MD5
c4c50edcfd74836189429a51c1795223
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SHA1
bac23eda645895fe8f10fb648bbea8e814a345b3
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SHA256
548a4746b2fd7c16e7649da98864b209d939046fc5fb823deae438c85b3fa2cd
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SHA512
af207cf1ccbe2c5aaa9ab579060c3f49f7eee53a26d10e323018c361b46e807264b6416b08ebebb42bf8acfa47b07d02e407d044013883b24cf3a40ccb5dfefc
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SSDEEP
3072:S4q2EnL0b1oWHsyZZxXTk1ye6egOvOOr8qCGGZrq7dnN:bq2zKZCZxXTkNpgOvOOr2
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource mpeg4dec.dll
Files
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mpeg4dec.dll.dll windows:5 windows x64 arch:x64
3d10d72aa5eb68f216e2006cf2b05ba5
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB Paths
Imports
kernel32
HeapAlloc
GetLastError
HeapFree
RtlUnwindEx
GetCurrentThreadId
FlsSetValue
GetCommandLineA
EnterCriticalSection
LeaveCriticalSection
DecodePointer
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
EncodePointer
TerminateProcess
GetCurrentProcess
GetProcAddress
GetModuleHandleW
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameW
HeapSetInformation
GetVersion
HeapCreate
HeapDestroy
FlsGetValue
FlsFree
SetLastError
GetCurrentThread
FlsAlloc
Sleep
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
DeleteCriticalSection
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
FatalAppExitA
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryW
GetLocaleInfoW
HeapReAlloc
GetConsoleCP
GetConsoleMode
FlushFileBuffers
LCMapStringW
MultiByteToWideChar
GetStringTypeW
SetFilePointer
HeapSize
CloseHandle
WriteConsoleW
SetStdHandle
CreateFileW
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
Exports
Exports
MP4_Dec_Close
MP4_Dec_DeInit
MP4_Dec_Decode
MP4_Dec_Init
MP4_Dec_Open
MP4_Dec_WaterMark_Close
MP4_Dec_WaterMark_Get
MP4_Dec_WaterMark_Reset
MP4_Dec_WaterMark_Start
MP4_Dec_lib_get_version
Sections
.text Size: 131KB - Virtual size: 131KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 183KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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