Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_7122532c1a141cf1d813d30620645f76_ryuk.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-23_7122532c1a141cf1d813d30620645f76_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-23_7122532c1a141cf1d813d30620645f76_ryuk
-
Size
6.4MB
-
MD5
7122532c1a141cf1d813d30620645f76
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SHA1
dba4ed51a79ca2cd82362a6b7b6acc6c6fc72730
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SHA256
93eeb458212831b8e0d1537204bfd04cf0ae7f58f8aa338f31950db642991b55
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SHA512
695d981122306a8ffe2b8b38b77bdd0e701d43addfb5b155da2b9326995794f497033bc19127cc463836291ceff54124b1c8dbdc9f14a3b5bbc4a120d3e9bad7
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SSDEEP
98304:wpeGEODefJDO+XeVobRZAcUziJHEjad4M45rBoUBcghnjQ:whV6CcU
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-23_7122532c1a141cf1d813d30620645f76_ryuk
Files
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2024-05-23_7122532c1a141cf1d813d30620645f76_ryuk.exe windows:6 windows x64 arch:x64
f0ab6ec8d926165a1aafdb962be48856
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
python310
PyArg_ParseTuple
PyArg_ParseTupleAndKeywords
PyArg_UnpackTuple
PyAsyncGen_Type
PyBaseObject_Type
PyBool_Type
PyByteArray_FromObject
PyByteArray_FromStringAndSize
PyByteArray_Type
PyBytes_FromString
PyBytes_FromStringAndSize
PyBytes_Type
PyCFunction_Type
PyCMethod_New
PyCallable_Check
PyCapsule_New
PyCode_NewWithPosOnlyArgs
PyCode_Type
PyComplex_FromDoubles
PyComplex_Type
PyCoro_Type
PyDescr_IsData
PyDictItems_Type
PyDict_Copy
PyDict_DelItem
PyDict_DelItemString
PyDict_GetItem
PyDict_GetItemString
PyDict_Merge
PyDict_MergeFromSeq2
PyDict_New
PyDict_SetItem
PyDict_SetItemString
PyDict_Type
PyEllipsis_Type
PyEnum_Type
PyErr_BadArgument
PyErr_ExceptionMatches
PyErr_Format
PyErr_GivenExceptionMatches
PyErr_NoMemory
PyErr_NormalizeException
PyErr_Print
PyErr_PrintEx
PyErr_SetInterrupt
PyErr_SetNone
PyErr_WarnEx
PyErr_WriteUnraisable
PyEval_AcquireThread
PyEval_EvalCodeEx
PyEval_EvalFrameEx
PyEval_GetFuncName
PyEval_SaveThread
PyExc_AttributeError
PyExc_BaseException
PyExc_Exception
PyExc_GeneratorExit
PyExc_IOError
PyExc_ImportError
PyExc_ImportWarning
PyExc_IndexError
PyExc_KeyError
PyExc_NameError
PyExc_NotImplementedError
PyExc_OverflowError
PyExc_RuntimeError
PyExc_StopAsyncIteration
PyExc_StopIteration
PyExc_SystemError
PyExc_TypeError
PyExc_UnboundLocalError
PyExc_UnicodeDecodeError
PyExc_ValueError
PyException_GetContext
PyException_GetTraceback
PyException_SetCause
PyException_SetContext
PyFloat_FromDouble
PyFloat_FromString
PyFloat_Type
PyFrame_New
PyFrame_Type
PyFrozenSet_New
PyFrozenSet_Type
PyFunction_Type
PyGen_Type
PyImport_ExecCodeModule
PyImport_ExecCodeModuleEx
PyImport_FrozenModules
PyImport_GetModule
PyImport_GetModuleDict
PyImport_ImportFrozenModule
PyImport_ImportModule
PyIndex_Check
PyIter_Next
PyIter_Send
PyList_Insert
PyList_New
PyList_SetItem
PyList_Sort
PyList_Type
PyLong_AsLong
PyLong_AsLongAndOverflow
PyLong_FromLong
PyLong_FromLongLong
PyLong_FromSsize_t
PyLong_FromUnsignedLongLong
PyLong_Type
PyMap_Type
PyMarshal_ReadObjectFromString
PyMem_Malloc
PyMem_Realloc
PyMethod_Type
PyModuleDef_Type
PyModule_ExecDef
PyModule_FromDefAndSpec2
PyModule_GetDef
PyModule_GetDict
PyModule_GetFilenameObject
PyModule_GetName
PyModule_NewObject
PyModule_Type
PyNumber_Add
PyNumber_AsSsize_t
PyNumber_Float
PyNumber_FloorDivide
PyNumber_InPlaceAdd
PyNumber_InPlaceLshift
PyNumber_InPlaceMultiply
PyNumber_InPlaceOr
PyNumber_Index
PyNumber_Long
PyNumber_Negative
PyNumber_Subtract
PyNumber_ToBase
PyOS_snprintf
PyObject_Call
PyObject_CallFunctionObjArgs
PyObject_CallMethodObjArgs
PyObject_CallObject
PyObject_ClearWeakRefs
PyObject_DelItem
PyObject_Free
PyObject_GC_Del
PyObject_GC_Track
PyObject_GC_UnTrack
PyObject_GenericGetAttr
PyObject_GenericSetAttr
PyObject_GetAttr
PyObject_GetAttrString
PyObject_GetItem
PyObject_GetIter
PyObject_HasAttrString
PyObject_InitVar
PyObject_IsInstance
PyObject_IsSubclass
PyObject_IsTrue
PyObject_LengthHint
PyObject_Malloc
PyObject_Realloc
PyObject_Repr
PyObject_RichCompare
PyObject_RichCompareBool
PyObject_SelfIter
PyObject_SetAttr
PyObject_SetAttrString
PyObject_SetItem
PyObject_Size
PyObject_Str
PyRange_Type
PySeqIter_Type
PySequence_Check
PySequence_Contains
PySequence_List
PySequence_Tuple
PySet_Add
PySet_New
PySet_Type
PySlice_New
PySlice_Type
PyStructSequence_InitType
PyStructSequence_New
PySys_GetObject
PySys_SetArgv
PySys_SetObject
PySys_SetPath
PySys_WriteStderr
PyTraceBack_Type
PyTuple_New
PyTuple_Pack
PyTuple_Type
PyType_IsSubtype
PyType_Ready
PyType_Type
PyUnicode_AsUTF8
PyUnicode_AsUnicode
PyUnicode_Concat
PyUnicode_DecodeUTF8
PyUnicode_Find
PyUnicode_FindChar
PyUnicode_Format
PyUnicode_FromFormat
PyUnicode_FromOrdinal
PyUnicode_FromString
PyUnicode_FromStringAndSize
PyUnicode_FromWideChar
PyUnicode_GetLength
PyUnicode_InternInPlace
PyUnicode_Join
PyUnicode_New
PyUnicode_Substring
PyUnicode_Type
Py_BytesWarningFlag
Py_CompileStringExFlags
Py_DebugFlag
Py_DontWriteBytecodeFlag
Py_Exit
Py_FrozenFlag
Py_GenericAlias
Py_GenericAliasType
Py_IgnoreEnvironmentFlag
Py_Initialize
Py_InspectFlag
Py_InteractiveFlag
Py_MakePendingCalls
Py_NoSiteFlag
Py_NoUserSiteDirectory
Py_OptimizeFlag
Py_SetPath
Py_SetPythonHome
Py_UTF8Mode
Py_VerboseFlag
_PyArg_NoKeywords
_PyAsyncGenWrappedValue_Type
_PyDict_NewPresized
_PyErr_FormatFromCause
_PyGen_FetchStopIterationValue
_PyGen_SetStopIterationValue
_PyImport_FixupExtensionObject
_PyLong_New
_PyObject_FunctionStr
_PyObject_GC_Malloc
_PyObject_GC_New
_PyObject_GC_Resize
_PyObject_HasLen
_PyObject_New
_PyRuntime
_PySet_NextEntry
_PyType_Lookup
_PyUnicode_Ready
_PyWarnings_Init
_Py_Dealloc
_Py_EllipsisObject
_Py_FalseStruct
_Py_NewReference
_Py_NoneStruct
_Py_NotImplementedStruct
_Py_PackageContext
_Py_TrueStruct
kernel32
CloseHandle
CompareStringW
CreateFileW
CreateThread
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceA
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableA
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetShortPathNameW
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadResource
LockResource
MultiByteToWideChar
OpenProcess
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetDllDirectoryW
SetEnvironmentVariableW
SetErrorMode
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 1.7MB - Virtual size: 1.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 82KB - Virtual size: 82KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gehcont Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.voltbl Size: 512B - Virtual size: 40B
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 4.6MB - Virtual size: 4.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ