supp_info
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-01_42a36168cf42d6555eebecb838c7cda6_ryuk.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-09-01_42a36168cf42d6555eebecb838c7cda6_ryuk.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-01_42a36168cf42d6555eebecb838c7cda6_ryuk
-
Size
13.5MB
-
MD5
42a36168cf42d6555eebecb838c7cda6
-
SHA1
96adaac4f4291629cc74eee4f36a6d8def99aa63
-
SHA256
1c4fc5d6f3cc629df39afcfd47795b39f13f967771e07e71cfff611d74cff349
-
SHA512
ad61a64af1d769d46cdd8bddd24286cdcf1dbac7ee9bd93cf8a6091af7b845f3ea6b6c732b06becea17b64c1d0804ee4758f9eb1f261ed7994a645b8f383d917
-
SSDEEP
393216:m25iRguZTupvOelfAHV87+jWg7qZsEEhN5I+gmDyry:GJEOelf8Vwq9qpEhjGmDym
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-01_42a36168cf42d6555eebecb838c7cda6_ryuk
Files
-
2024-09-01_42a36168cf42d6555eebecb838c7cda6_ryuk.exe windows:6 windows x64 arch:x64
aecde45420a4707a91408dc35a9f83f0
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
ChangeTimerQueueTimer
CloseHandle
CompareStringW
CreateEventW
CreateFileA
CreateFileMappingA
CreateFileW
CreateMutexA
CreateThread
CreateTimerQueue
CreateTimerQueueTimer
DecodePointer
DeleteCriticalSection
DeleteTimerQueueTimer
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeThread
GetFileSize
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNumaHighestNodeNumber
GetOEMCP
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetThreadPriority
GetThreadTimes
GetTickCount
GetUserDefaultLCID
GetVersionExW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InterlockedFlushSList
InterlockedPopEntrySList
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
MapViewOfFile
MultiByteToWideChar
OutputDebugStringW
QueryDepthSList
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSemaphore
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
SignalObjectAndWait
Sleep
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
VirtualAlloc
VirtualFree
VirtualProtect
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
Exports
Exports
Sections
.text Size: 657KB - Virtual size: 657KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12.8MB - Virtual size: 12.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 31KB - Virtual size: 5.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 25KB - Virtual size: 24KB
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: 96B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 148B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 808B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ