GetHandleVerifier
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-09_9fb3e40b62da59cce53d357d860cab99_ryuk.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-09_9fb3e40b62da59cce53d357d860cab99_ryuk.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-09_9fb3e40b62da59cce53d357d860cab99_ryuk
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Size
2.7MB
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MD5
9fb3e40b62da59cce53d357d860cab99
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SHA1
f1c972a360e8a678bcbbf0f6f0e5bdc40993ded5
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SHA256
e1e3b6ff4e8fcd9c2917bcc4fcb7028d786ae1d58110a334bc97a3f8f593960a
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SHA512
4e71ddccaee3a7d527df8463126c6c654a9ff41090964ad04cf9d42e7ce6a19e71cc18aab4376ec5eb1b7c14ad0b513a2f7660d6078cef338355e558253a4783
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SSDEEP
49152:A0NAUFnV5vAyQ0Pm11Qgfoeyhe30jaNf1TWbdz:p7V5vnPiNf3yhU023W
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-09_9fb3e40b62da59cce53d357d860cab99_ryuk
Files
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2024-01-09_9fb3e40b62da59cce53d357d860cab99_ryuk.exe windows:5 windows x64 arch:x64
8a5eb73393898e15bc0fab480fe4174f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mf
MFCreateAudioRendererActivate
MFCreateMediaSession
MFCreateTopology
MFCreateTopologyNode
MFCreateVideoRendererActivate
MFGetService
mfplat
MFCreateAsyncResult
MFCreateSourceResolver
MFInvokeCallback
MFPutWorkItem
MFShutdown
MFStartup
user32
CreateWindowExW
DefWindowProcW
DispatchMessageW
EnumDisplayMonitors
GetClientRect
GetDesktopWindow
GetMessageW
GetSystemMetrics
GetWindowLongPtrW
IsRectEmpty
LoadCursorW
MonitorFromPoint
PostMessageW
PostQuitMessage
PtInRect
RegisterClassExW
SetProcessDPIAware
SetWindowLongPtrW
SetWindowLongW
SetWindowPos
ShowWindow
TranslateMessage
UnregisterClassW
UpdateWindow
advapi32
EventRegister
EventSetInformation
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
gdi32
CreateSolidBrush
winmm
timeGetTime
kernel32
AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateMutexW
CreateThread
DecodePointer
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetHandleInformation
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessMitigationPolicy
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockResource
MultiByteToWideChar
OpenEventW
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
TerminateProcess
TerminateThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnregisterWaitEx
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA
ole32
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize
PropVariantClear
shell32
CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
api-ms-win-core-winrt-l1-1-0
RoInitialize
RoUninitialize
Exports
Exports
Sections
.text Size: 939KB - Virtual size: 938KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 159KB - Virtual size: 158KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 62KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 34KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 156B
.tls Size: 512B - Virtual size: 441B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 979KB - Virtual size: 979KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 572KB - Virtual size: 576KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE