Behavioral task
behavioral1
Sample
stub.exe
Resource
win11-20241007-en
General
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Target
stub.exe
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Size
16.2MB
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MD5
90b4515d76785b508b14e92137c48b77
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SHA1
dafee8b42f41fa3fddd2b2957366e3676c2e7faa
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SHA256
a847324087308fe05cd8c19ca1ee914e7d524a8b19c395dc200e028c84e7ddeb
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SHA512
85ce4cd1a0a2d415288407c9bc1766029e155d0f9f979452693fcbbe52c2ca0b0e60060b80bb690fad1af87e9c0f0174800f6d589192c86e3bec0fbf999bcf69
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SSDEEP
98304:pGzmxiNHAYJx8qhHinWhBNU7A2qHnDNumZS5nViM6x9rlAhD4Ur5ETLpubgGg1J4:z+V2qHn85EnLpubTotN1rc0
Malware Config
Signatures
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Detects Monster Stealer. 1 IoCs
resource yara_rule sample family_monster -
Monster family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource stub.exe
Files
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stub.exe.exe windows:4 windows x64 arch:x64
3de34f1109f61036f6430b004af7f9a8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
CloseHandle
CopyFileW
CreateFileMappingW
CreateFileW
CreateThread
DeleteCriticalSection
DeleteFileW
EnterCriticalSection
ExitProcess
FindResourceA
FormatMessageA
FreeLibrary
GetCurrentProcessId
GetEnvironmentVariableA
GetEnvironmentVariableW
GetFileSize
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetProcAddress
GetShortPathNameW
GetSystemTimeAsFileTime
GetTempPathW
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadResource
LockResource
MapViewOfFile
MultiByteToWideChar
OpenProcess
ReadFile
SetDllDirectoryW
SetEnvironmentVariableW
SetErrorMode
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TlsGetValue
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
WriteFile
msvcrt
__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__iob_func
__set_app_type
__setusermatherr
__wargv
__wgetmainargs
__winitenv
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
_lock
_onexit
_unlock
_wcsdup
_wcsicmp
_wrename
_wtoi
abort
atol
calloc
exit
fgetwc
fprintf
fputc
free
fwrite
iswctype
localeconv
malloc
mbstowcs
memcmp
memcpy
memmove
memset
puts
raise
realloc
signal
strchr
strcmp
strerror
strlen
strncmp
strncpy
strrchr
towlower
ungetwc
vfprintf
wcscmp
wcslen
wcsncmp
wcstol
wcstoul
shell32
SHGetFolderPathW
python310
PyObject_GC_Del
_PyObject_GC_Resize
_PyObject_GC_Malloc
PyErr_SetInterrupt
PyIter_Send
PyIter_Next
PyObject_GetIter
PyObject_IsSubclass
PyObject_IsInstance
PyMapping_Check
PySequence_Contains
PySequence_List
PySequence_Tuple
PySequence_InPlaceConcat
PySequence_Check
PyNumber_ToBase
PyNumber_Float
PyNumber_Long
PyNumber_AsSsize_t
PyNumber_Negative
PyNumber_InPlaceAdd
PyNumber_InPlaceLshift
PyNumber_InPlaceOr
PyNumber_FloorDivide
PyNumber_Add
PyNumber_Subtract
PyBuffer_Release
PyObject_GetBuffer
PyObject_DelItem
PyObject_SetItem
PyObject_GetItem
PyObject_LengthHint
PyBool_Type
_Py_FalseStruct
_Py_TrueStruct
_PyByteArray_empty_string
PyByteArray_Type
PyByteArray_FromStringAndSize
PyByteArray_FromObject
PyBytes_Type
_PyBytes_Resize
PyBytes_AsString
PyBytes_FromString
PyObject_CallFunctionObjArgs
PyObject_CallMethodObjArgs
PyObject_CallObject
PyObject_Call
PyCapsule_New
PyMethod_Type
PyCode_Type
PyCode_NewWithPosOnlyArgs
PyComplex_Type
PyComplex_FromDoubles
PyProperty_Type
PyDictItems_Type
PyDictKeys_Type
PyDictValues_Type
PyDict_Type
PyDict_DelItemString
PyDict_SetItemString
PyDict_GetItemString
PyDict_Merge
PyDict_MergeFromSeq2
PyDict_Clear
PyDict_DelItem
PyDict_SetItem
PyDict_GetItem
_PyDict_NewPresized
PyDict_New
PyEnum_Type
PyReversed_Type
PyExc_ImportWarning
PyExc_Exception
PyExc_KeyError
PyExc_RuntimeError
PyExc_UnboundLocalError
PyExc_KeyboardInterrupt
PyExc_PermissionError
PyExc_AttributeError
PyExc_SystemExit
PyExc_ZeroDivisionError
PyExc_ValueError
PyExc_BaseException
PyExc_OverflowError
PyExc_ConnectionResetError
PyExc_UnicodeError
PyExc_UnicodeDecodeError
PyExc_StopIteration
PyExc_OSError
PyExc_NotImplementedError
PyExc_StopAsyncIteration
PyExc_TypeError
PyExc_NameError
PyExc_LookupError
PyExc_IndexError
PyExc_UnicodeEncodeError
PyExc_ImportError
PyExc_SystemError
PyExc_AssertionError
PyExc_ConnectionError
PyExc_GeneratorExit
PyExc_FileNotFoundError
PyException_SetContext
PyException_GetContext
PyException_SetCause
PyFloat_Type
PyFloat_FromString
PyFloat_FromDouble
PyFrame_Type
PyFrame_New
PyFrame_GetLineNumber
PyFunction_Type
Py_GenericAliasType
Py_GenericAlias
_PyAsyncGenWrappedValue_Type
PyCoro_Type
PyGen_Type
PyAsyncGen_Type
_PyGen_FetchStopIterationValue
PySeqIter_Type
PyCallIter_Type
PyList_Type
PyList_Sort
PyList_SetSlice
PyList_Size
PyList_New
PyLong_Type
PyLong_FromUnicodeObject
PyLong_FromString
PyLong_FromSsize_t
PyLong_FromVoidPtr
PyLong_AsSsize_t
PyLong_AsLong
PyLong_AsLongAndOverflow
PyLong_FromLong
_PyLong_Copy
_PyLong_New
PyMemoryView_Type
PyCFunction_Type
PyCMethod_New
PyModule_Type
PyModuleDef_Type
PyModule_GetDef
PyModule_GetFilenameObject
PyModule_GetName
PyModule_GetDict
PyModule_ExecDef
PyModule_FromDefAndSpec2
PyModule_NewObject
_Py_NoneStruct
_Py_NotImplementedStruct
PyObject_Dir
PyCallable_Check
PyObject_IsTrue
PyObject_GenericSetAttr
PyObject_SelfIter
PyObject_SetAttr
PyObject_GetAttr
PyObject_SetAttrString
PyObject_GetAttrString
PyObject_RichCompareBool
PyObject_RichCompare
_PyObject_FunctionStr
PyObject_Str
PyObject_Repr
_PyObject_New
PyObject_InitVar
PyObject_Free
PyObject_Realloc
PyMem_Free
PyMem_Realloc
PyMem_Malloc
PyMem_GetAllocator
PyRange_Type
PyFrozenSet_Type
PySet_Type
_PySet_NextEntry
PySet_Add
PySet_Contains
PyFrozenSet_New
PySet_New
PySlice_Type
_Py_EllipsisObject
PyEllipsis_Type
PyStructSequence_InitType
PyStructSequence_New
PyTuple_Type
PyTuple_Pack
PyTuple_New
PyBaseObject_Type
PyType_Type
PyType_Ready
_PyType_Lookup
PyType_IsSubtype
PyUnicode_Type
PyUnicode_InternInPlace
PyUnicode_Format
PyUnicode_RPartition
PyUnicode_Partition
PyUnicode_Substring
PyUnicode_Concat
PyUnicode_RichCompare
PyUnicode_Join
PyUnicode_FindChar
PyUnicode_Find
PyUnicode_DecodeUTF8
PyUnicode_GetLength
PyUnicode_AsUTF8
PyUnicode_FromEncodedObject
PyUnicode_FromOrdinal
PyUnicode_AsWideCharString
PyUnicode_FromFormat
PyUnicode_FromString
PyUnicode_FromStringAndSize
PyUnicode_FromWideChar
_PyUnicode_Ready
PyUnicode_New
PyObject_ClearWeakRefs
_PyWarnings_Init
PyErr_WarnEx
PyMap_Type
PyZip_Type
PyEval_GetFuncName
PyEval_GetFrame
PyEval_EvalCodeEx
PyEval_EvalCode
Py_MakePendingCalls
PyEval_RestoreThread
PyEval_SaveThread
PyEval_AcquireThread
PyErr_WriteUnraisable
PyErr_Format
_PyErr_Format
PyErr_SetFromErrno
PyErr_NoMemory
PyErr_BadArgument
_PyErr_FormatFromCause
_PyErr_NormalizeException
PyErr_ExceptionMatches
PyImport_FrozenModules
_PyArg_NoKeywords
PyArg_UnpackTuple
PyArg_ParseTupleAndKeywords
PyArg_ParseTuple
PyImport_ImportModule
PyImport_ImportFrozenModule
PyImport_ExecCodeModuleEx
PyImport_ExecCodeModule
_PyImport_FixupExtensionObject
PyImport_GetModuleDict
Py_NoSiteFlag
Py_NoUserSiteDirectory
Py_DontWriteBytecodeFlag
Py_DebugFlag
Py_BytesWarningFlag
Py_VerboseFlag
Py_OptimizeFlag
Py_UTF8Mode
Py_InteractiveFlag
Py_InspectFlag
Py_IgnoreEnvironmentFlag
Py_FrozenFlag
PyConfig_SetArgv
PyConfig_SetString
_PyConfig_InitCompatConfig
PyWideStringList_Append
PyStatus_Exception
PyMarshal_ReadObjectFromString
_Py_PackageContext
Py_BuildValue
PyOS_snprintf
_Py_path_config
Py_SetProgramName
_PyRuntime
Py_Exit
Py_ExitStatusException
Py_InitializeFromConfig
_PyRuntime_Initialize
Py_CompileStringExFlags
PyErr_Print
PyErr_PrintEx
PySys_WriteStderr
PySys_SetArgv
PySys_SetObject
PySys_GetObject
PyTraceBack_Type
Sections
.text Size: 10.7MB - Virtual size: 10.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 114KB - Virtual size: 114KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eh_fram Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 72KB - Virtual size: 71KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 98KB - Virtual size: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 220KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 96B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5.2MB - Virtual size: 5.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ