2024-06-12_8b08f881c9be96b2967d52c336dae518_ryuk

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General

Target
2024-06-12_8b08f881c9be96b2967d52c336dae518_ryuk
Size 26.8MB
Sample240612-vpb3mswfnn
SHA256 ae409fc6c40652132db3ba1124c1534b0402965afc776ab4afb2c702332b2894
MD5 8b08f881c9be96b2967d52c336dae518
SHA1 fb51fe53f6d3f800f3473078861f569afe3870f5
SHA512 416442f446034d5d467d3ebda3ed2f87986ea38045fd185fcfdce6b3e060e558604cd6ce24475d7f376802e0d4962e1dbb11ed6b22a8add7f1ba2e8f684be061
SSDEEP 49152:+t3Pouv6sYIwNX7nw908hDspRqHZZOAQ6N2EMTTKgrMlTZZ2y/BlvGLJYg2PtMz+:+HCLX7nkDnaDIZ5
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

File Explorer

2024-06-12_8b08f881c9be96b2967d52c336dae518_ryuk

.exe 26.8MB

2024-06-12_8b08f881c9be96b2967d52c336dae518_ryuk

IMPHASH 3a3de7172d7a4e00c1867dd2f13ad959
SHA256 ae409fc6c40652132db3ba1124c1534b0402965afc776ab4afb2c702332b2894
MD5 8b08f881c9be96b2967d52c336dae518
SHA1 fb51fe53f6d3f800f3473078861f569afe3870f5
SHA512 416442f446034d5d467d3ebda3ed2f87986ea38045fd185fcfdce6b3e060e558604cd6ce24475d7f376802e0d4962e1dbb11ed6b22a8add7f1ba2e8f684be061
SSDEEP 49152:+t3Pouv6sYIwNX7nw908hDspRqHZZOAQ6N2EMTTKgrMlTZZ2y/BlvGLJYg2PtMz+:+HCLX7nkDnaDIZ5
MD5 SHA1 SHA512 SSDEEP

PE Signature issue

Digest

4b:e2:fd:1f:f4:9f:3b:42:e8:24:08:0d:2b:07:c4:4e:e6:5c:8b:83:72:d5:8b:b0:c8:f3:20:b1:e4:8a:4f:f8

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Jun 12, 2024

Minor OS version

Major OS version

Entry point

842944

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

msedge.exe.pdb

msedge_elf

GetInstallDetailsPayload IsBrowserProcess SignalChromeElf SignalInitializeCrashReporting

kernel32

AcquireSRWLockExclusive AssignProcessToJobObject CloseHandle CompareStringW ConnectNamedPipe CopyFileW CreateDirectoryW CreateEventW CreateFileA CreateFileMappingW CreateFileW CreateIoCompletionPort CreateJobObjectW CreateMutexW CreateNamedPipeW CreateProcessW CreateRemoteThread CreateSemaphoreW CreateThread CreateToolhelp32Snapshot DebugBreak DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList DisconnectNamedPipe DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesEx EnumSystemLocalesW ExitProcess ExitThread ExpandEnvironmentStringsW FileTimeToSystemTime FindClose FindFirstFileExW FindNextFileW FindResourceW FlsAlloc FlsSetValue FlushFileBuffers FlushViewOfFile FormatMessageA FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetComputerNameExW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentProcessorNumber GetCurrentThread GetCurrentThreadId GetDateFormatW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesExW GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSizeEx GetFileTime GetFileType GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHandleCount GetProcessHeap GetProcessHeaps GetProcessId GetProcessTimes GetProductInfo GetQueuedCompletionStatus GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDefaultLCID GetSystemDirectoryW GetSystemInfo GetSystemTimeAsFileTime GetTempPathW GetThreadContext GetThreadId GetThreadLocale GetThreadPriority GetThreadTimes GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetUserDefaultLangID GetUserDefaultLocaleName GetUserDefaultUILanguage GetUserGeoID GetVersion GetVersionExW GetWindowsDirectoryW HeapAlloc HeapDestroy HeapSetInformation InitOnceExecuteOnce InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeProcThreadAttributeList InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process K32GetPerformanceInfo K32GetProcessMemoryInfo K32QueryWorkingSetEx LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LoadResource LocalFree LockFileEx LockResource MapViewOfFile MoveFileExW MoveFileW MultiByteToWideChar OpenProcess OutputDebugStringA PeekNamedPipe PostQueuedCompletionStatus Process32FirstW Process32NextW ProcessIdToSessionId QueryDosDeviceW QueryInformationJobObject QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReadProcessMemory RegisterWaitForSingleObject ReleaseSRWLockExclusive ReleaseSemaphore RemoveDirectoryW ReplaceFileW ResetEvent ResumeThread RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SearchPathW SetConsoleCtrlHandler SetCurrentDirectoryW SetEndOfFile SetEnvironmentVariableW SetEvent SetFileAttributesW SetFilePointer SetFilePointerEx SetHandleInformation SetInformationJobObject SetLastError SetNamedPipeHandleState SetProcessShutdownParameters SetStdHandle SetThreadAffinityMask SetThreadPriority SetUnhandledExceptionFilter SignalObjectAndWait SizeofResource Sleep SleepConditionVariableSRW SleepEx SuspendThread SystemTimeToTzSpecificLocalTime TerminateJobObject TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TransactNamedPipe TryAcquireSRWLockExclusive UnhandledExceptionFilter UnlockFileEx UnmapViewOfFile UnregisterWait UnregisterWaitEx UpdateProcThreadAttribute VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualAllocEx VirtualFree VirtualFreeEx VirtualProtect VirtualProtectEx VirtualQuery VirtualQueryEx WaitForMultipleObjects WaitForSingleObject WaitForSingleObjectEx WaitNamedPipeW WakeAllConditionVariable WakeConditionVariable WideCharToMultiByte Wow64GetThreadContext WriteConsoleW WriteFile WriteProcessMemory lstrlenW

Name

.text

Size

2.2MB

Virtual Size

2.2MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

374KB

Virtual Size

373KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

17KB

Virtual Size

52KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

71KB

Virtual Size

71KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.00cfg

Size

512B

Virtual Size

40B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

36B

Characteristics

Name

.tls

Size

512B

Virtual Size

305B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

CPADinfo

Size

512B

Virtual Size

56B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

244B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

509KB

Virtual Size

508KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

11KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2024-06-12_8b08f881c9be96b2967d52c336dae518_ryuk

PE Signature issue

msedge_elf

kernel32

generic