Static task
static1
Behavioral task
behavioral1
Sample
2024-09-09_7e836b6be84724a533605653af08f11c_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-09_7e836b6be84724a533605653af08f11c_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-09_7e836b6be84724a533605653af08f11c_ryuk
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Size
3.4MB
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MD5
7e836b6be84724a533605653af08f11c
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SHA1
dab994a1aae155c203fae0cf6084bd67ef710a1e
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SHA256
4a89e5cb93f90e91acf04fadc188f8f31223dc013289f0a6a7a7121895cfd545
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SHA512
6cbff8d413b41a5ead9a6f57eb6009a7fbfbc5d4228c9f73071559af7aad9e79444b6e5e4d72b80cea7e134edc14baff0714d6e70ac537f7784480e2d1a22c86
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SSDEEP
49152:CPhtq1Dadp2g8+cA66GvOHJSh1ekAUhXJw1R8DQygr0ajXS:CV2g8JAzZGURmdg4
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-09_7e836b6be84724a533605653af08f11c_ryuk
Files
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2024-09-09_7e836b6be84724a533605653af08f11c_ryuk.exe windows:6 windows x64 arch:x64
2453a1c3d1a3dbc34d92175d6eb9fd52
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
kernel32
GetCurrentProcess
GetCurrentThread
GetThreadTimes
GetSystemTimeAsFileTime
GetProcessTimes
WaitForSingleObject
SetEvent
CloseHandle
ResetEvent
CreateEventA
GetLastError
FreeLibrary
GetModuleFileNameA
GetProcAddress
LoadLibraryExA
FormatMessageA
WideCharToMultiByte
RtlPcToFileHeader
EncodePointer
DecodePointer
RaiseException
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
GetCurrentThreadId
DuplicateHandle
WaitForSingleObjectEx
Sleep
GetExitCodeThread
GetNativeSystemInfo
QueryPerformanceCounter
QueryPerformanceFrequency
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetTickCount
GetModuleHandleW
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
CreateTimerQueue
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
FreeLibraryAndExitThread
GetModuleFileNameW
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualFree
VirtualProtect
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
RtlUnwindEx
ExitProcess
GetModuleHandleExW
ExitThread
SetConsoleCtrlHandler
ReadFile
CreateProcessW
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
HeapSize
IsValidCodePage
GetACP
GetOEMCP
ReadConsoleW
GetExitCodeProcess
GetFileAttributesExW
CreatePipe
CreateFileW
GetTimeZoneInformation
DeleteFileW
MoveFileExW
GetProcessHeap
FindClose
FindFirstFileExW
FindNextFileW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
SetEndOfFile
WriteConsoleW
Sections
.text Size: 2.5MB - Virtual size: 2.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 705KB - Virtual size: 705KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 63KB - Virtual size: 73KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 159KB - Virtual size: 158KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 353B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ