ffmpeg[.]dll | Triage™

General

Target
ffmpeg.dll
Size 2.5MB
Sample261018-wc51maca42
SHA256 43e6e078074cd55f18978421f025dcb8c0299023d7889a664293f4bea4939cac
MD5 450e4940d2bca415d760f51a47561bc1
SHA1 e9f350a0dd3919850c17f53565f0e63838743ec1
SHA512 59514faa6d264b6ec33eb4ccb8e780c0e29845ee0f9b4260d594afd54d872e8ec3ca8838ec5c6ea1e84b9129390170de74b87d721b2f86a25202361a0d760321
SSDEEP 49152:k8jWdwLyw3U1a5BOudnxvUkqwWiltLkzQwp2g:vjGMymWaLOuHJVWwtk52g
TLSH
T1DEC5CF4272A25571D44A3132707EE27F7E381B9A8712C9DB82D85C64EF7A3C141FB29E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ffmpeg.dll

File Explorer

ffmpeg.dll

.dll 2.5MB

ffmpeg.dll

IMPHASH c7497313062f9c96c83518b36f70731f
SHA256 43e6e078074cd55f18978421f025dcb8c0299023d7889a664293f4bea4939cac
MD5 450e4940d2bca415d760f51a47561bc1
SHA1 e9f350a0dd3919850c17f53565f0e63838743ec1
SHA512 59514faa6d264b6ec33eb4ccb8e780c0e29845ee0f9b4260d594afd54d872e8ec3ca8838ec5c6ea1e84b9129390170de74b87d721b2f86a25202361a0d760321
SSDEEP 49152:k8jWdwLyw3U1a5BOudnxvUkqwWiltLkzQwp2g:vjGMymWaLOuHJVWwtk52g
TLSH
T1DEC5CF4272A25571D44A3132707EE27F7E381B9A8712C9DB82D85C64EF7A3C141FB29E
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

1

Major OS version

5

Entry point

2013856

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

ffmpeg.dll.pdb

kernel32

AcquireSRWLockExclusive CloseHandle CompareStringW CreateEventW CreateFileW CreateThread DecodePointer DeleteCriticalSection EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExitThread FindClose FindFirstFileExW FindNextFileW FlushFileBuffers FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetDateFormatW GetEnvironmentStringsW GetFileSizeEx GetFileType GetLastError GetLocaleInfoW GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessAffinityMask GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID HeapAlloc HeapFree HeapQueryInformation HeapReAlloc HeapSize InitOnceBeginInitialize InitOnceComplete InitializeConditionVariable InitializeCriticalSectionAndSpinCount InitializeSListHead InitializeSRWLock InterlockedFlushSList IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale LCMapStringW LeaveCriticalSection LoadLibraryExW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive ResetEvent RtlUnwind SetEnvironmentVariableW SetEvent SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter WaitForSingleObjectEx WakeAllConditionVariable WakeConditionVariable WideCharToMultiByte WriteConsoleW WriteFile

Name

.text

Size

2.1MB

Virtual Size

2.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

410KB

Virtual Size

410KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

13KB

Virtual Size

1.1MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.00cfg

Size

512B

Virtual Size

4B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

9B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.voltbl

Size

512B

Virtual Size

266B

Characteristics

Name

.reloc

Size

55KB

Virtual Size

54KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

ffmpeg.dll

kernel32

generic