Static task
static1
Behavioral task
behavioral1
Sample
2024-10-18_5f06016a4ea1057fd7bde62d5b71b41e_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-18_5f06016a4ea1057fd7bde62d5b71b41e_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-18_5f06016a4ea1057fd7bde62d5b71b41e_ryuk
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Size
12.4MB
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MD5
5f06016a4ea1057fd7bde62d5b71b41e
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SHA1
d560dce2c54726ae5ab30e655dce7b033447ad29
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SHA256
632b10f7921115842112ec4274226b2c34198646d8dab11ef37476e326c1ce3e
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SHA512
c7d9ebc9e72b321e1841561ac1e828348deab0e7b779afa66b0d9d6db018a1c27afc6a67ea0549abd1b7793ca7258d1e4ed0cccec2ea5b2f740d8b4626d4bbb9
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SSDEEP
98304:KgOldj34r8cW0Y0IGBvdNzAw/cZX2uYX7ShqSq2QEn2:EnG+0Y0IGL2hn2
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-18_5f06016a4ea1057fd7bde62d5b71b41e_ryuk
Files
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2024-10-18_5f06016a4ea1057fd7bde62d5b71b41e_ryuk.exe windows:6 windows x64 arch:x64
813043cbca4eec7098010116c1cb6e90
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
python38
PyDict_DelItemString
PyStatus_Exception
PyWideStringList_Append
PyConfig_SetString
PyConfig_SetArgv
_PyWarnings_Init
PyErr_SetInterrupt
Py_SetProgramName
Py_InitializeFromConfig
Py_ExitStatusException
PySys_SetArgv
_PyRuntime_Initialize
_PyConfig_InitCompatConfig
Py_DebugFlag
Py_VerboseFlag
Py_InteractiveFlag
Py_InspectFlag
Py_OptimizeFlag
Py_NoSiteFlag
Py_BytesWarningFlag
Py_FrozenFlag
Py_IgnoreEnvironmentFlag
Py_DontWriteBytecodeFlag
Py_NoUserSiteDirectory
Py_FileSystemDefaultEncoding
Py_HasFileSystemDefaultEncoding
Py_UTF8Mode
PyImport_FrozenModules
_Py_path_config
PyMem_Malloc
PyMem_Realloc
PyMem_GetAllocator
PyType_GetFlags
PyType_Ready
PyObject_Str
PyObject_RichCompare
PyObject_RichCompareBool
PyObject_SetAttrString
PyObject_GetAttr
PyObject_SelfIter
PyObject_GenericSetAttr
PyObject_IsTrue
PyCallable_Check
PyObject_ClearWeakRefs
PyObject_Realloc
PyObject_Free
_PyObject_New
_PyObject_GC_Resize
PyObject_GC_Del
PyByteArray_FromStringAndSize
PyBytes_FromStringAndSize
PyBytes_FromString
PyBytes_AsString
_PyBytes_Resize
PyUnicode_FromStringAndSize
PyUnicode_FromEncodedObject
PyUnicode_FromFormat
PyUnicode_InternInPlace
PyUnicode_FromWideChar
PyUnicode_AsWideCharString
PyUnicode_FromOrdinal
PyUnicode_DecodeUTF8
PyUnicode_Concat
PyUnicode_FindChar
PyUnicode_RichCompare
PyUnicode_Format
PyUnicode_New
_PyUnicode_Ready
PyLong_AsLongAndOverflow
PyLong_FromString
PyLong_FromUnicodeObject
_PyLong_New
PyFloat_FromString
PyFloat_FromDouble
PyComplex_FromDoubles
PyTuple_Pack
PyList_Sort
PyDict_GetItem
PyDict_GetItemString
PyList_SetSlice
_PySet_NextEntry
PyCFunction_NewEx
PyModule_NewObject
PyModule_GetName
PyModule_GetFilenameObject
PyModule_GetDef
_PyGen_FetchStopIterationValue
PyErr_WarnEx
PyErr_ExceptionMatches
PyException_SetCause
PyErr_BadArgument
PyErr_NoMemory
PyOS_snprintf
_PyErr_FormatFromCause
PyArg_ParseTuple
PyArg_ParseTupleAndKeywords
PyArg_UnpackTuple
Py_BuildValue
_PyArg_NoKeywords
PyModule_ExecDef
PyModule_FromDefAndSpec2
PyCode_NewWithPosOnlyArgs
Py_CompileStringExFlags
PyErr_Print
PyEval_GetFrame
PyEval_GetFuncName
PyEval_EvalFrameEx
PyEval_RestoreThread
PySys_WriteStderr
PyImport_ExecCodeModule
PyImport_ExecCodeModuleEx
PyImport_GetModuleDict
PyImport_ImportModule
PyImport_ImportFrozenModule
_PyImport_FixupExtensionObject
PyObject_Call
PyObject_CallObject
PyObject_CallFunctionObjArgs
PyObject_CallMethodObjArgs
PyObject_GetIter
PyIter_Next
PyNumber_Add
PyNumber_Subtract
PyNumber_FloorDivide
PyNumber_Float
PyNumber_InPlaceAdd
PyNumber_InPlaceLshift
PyNumber_ToBase
PySequence_List
PySequence_InPlaceConcat
PyObject_LengthHint
PyObject_GetBuffer
PyBuffer_Release
PyFrame_GetLineNumber
PyMarshal_ReadObjectFromString
_PyErr_NormalizeException
_PyByteArray_empty_string
PyComplex_Type
PyDictKeys_Type
PyDictValues_Type
PyDictItems_Type
PySet_Type
PyModuleDef_Type
PyFunction_Type
PyMethod_Type
PyTraceBack_Type
_Py_EllipsisObject
PySlice_Type
PyEllipsis_Type
PyGen_Type
PyCoro_Type
PyAsyncGen_Type
_PyAsyncGenWrappedValue_Type
PyExc_StopAsyncIteration
PyExc_UnboundLocalError
PyExc_ImportWarning
_Py_PackageContext
PyCode_Type
PyFrame_Type
PyList_Size
PyLong_AsLong
PyUnicode_AsUTF8
PyExc_MemoryError
PyExc_UnicodeEncodeError
PyFrozenSet_Type
_Py_NotImplementedStruct
PyByteArray_FromObject
PyFrozenSet_New
PyObject_Dir
PyObject_Repr
PySet_Add
PyFilter_Type
PyExc_IOError
PyExc_LookupError
PyFloat_Type
PyBool_Type
PySet_Contains
PyObject_SetAttr
PyMap_Type
PyExc_EnvironmentError
PyExc_UnicodeDecodeError
PyReversed_Type
PyObject_DelItem
PySet_New
PyExc_UnicodeError
PyExc_NotImplementedError
PyExc_NameError
PyExc_Exception
PyProperty_Type
PyEnum_Type
PyExc_BaseException
PyDict_Type
PyTuple_Type
PyUnicode_Join
PyRange_Type
PyLong_Type
PyDict_DelItem
PyExc_ZeroDivisionError
PyExc_RuntimeError
PyExc_ImportError
PyBytes_Type
PyByteArray_Type
PyExc_GeneratorExit
PyObject_GetItem
PyMemoryView_Type
PySequence_Tuple
PyDict_MergeFromSeq2
PyDict_Merge
PyNumber_Negative
PyZip_Type
PyExc_OverflowError
PyExc_AssertionError
PyExc_StopIteration
PySeqIter_Type
_Py_tracemalloc_config
PyObject_IsSubclass
PySequence_Check
PyEval_AcquireThread
PyEval_SaveThread
Py_MakePendingCalls
Py_Exit
PyErr_WriteUnraisable
PySlice_New
PyList_New
_PyObject_GC_Malloc
_PyTraceMalloc_NewReference
PyExc_IndexError
PyList_Type
PyObject_SetItem
PyDict_New
PyLong_FromSsize_t
PyNumber_Long
_PyDict_NewPresized
_PyRuntime
PyExc_ValueError
PyExc_KeyError
PyExc_OSError
PyModule_Type
PyUnicode_Type
PySequence_Contains
PyNumber_AsSsize_t
PyErr_PrintEx
PyException_SetContext
PyException_GetContext
PyModule_GetDict
PyDict_SetItem
PyUnicode_Find
PyUnicode_GetLength
PyUnicode_Substring
PyObject_GetAttrString
PyType_IsSubtype
PyExc_TypeError
PyExc_SystemError
PyExc_AttributeError
PyCFunction_Type
_Py_NoneStruct
PyBaseObject_Type
PyType_Type
PyObject_IsInstance
PyErr_Format
PyTuple_New
_PyType_Lookup
_Py_TrueStruct
_Py_FalseStruct
PySys_SetObject
PySys_GetObject
PyStructSequence_New
PyStructSequence_InitType
PyCapsule_New
PyLong_FromLong
PyUnicode_FromString
PyDict_SetItemString
kernel32
EncodePointer
GetEnvironmentVariableA
RtlPcToFileHeader
WriteConsoleW
HeapReAlloc
HeapSize
RaiseException
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
GetProcessHeap
GetStringTypeW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
MultiByteToWideChar
GetFileType
LCMapStringW
CompareStringW
VirtualProtect
InitializeCriticalSectionEx
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
HeapAlloc
HeapFree
GetStdHandle
GetCommandLineW
GetCommandLineA
SetConsoleCtrlHandler
GetModuleHandleExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
SetLastError
RtlUnwindEx
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetCurrentThreadId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WideCharToMultiByte
FindResourceA
FormatMessageA
LockResource
LoadResource
LoadLibraryExW
GetProcAddress
GetModuleHandleA
GetModuleFileNameW
GetSystemTimeAsFileTime
GetCurrentProcessId
SetErrorMode
WriteFile
GetShortPathNameW
CreateFileW
SetEnvironmentVariableW
GetEnvironmentVariableW
SetDllDirectoryW
OpenProcess
CreateThread
ExitProcess
Sleep
WaitForSingleObject
GetLastError
CloseHandle
SetStdHandle
Sections
.text Size: 6.7MB - Virtual size: 6.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 162KB - Virtual size: 162KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 36KB - Virtual size: 285KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 76KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 204B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gehcont Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.fptable Size: 512B - Virtual size: 256B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5.5MB - Virtual size: 5.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ