Static task
static1
Behavioral task
behavioral1
Sample
2024-05-14_e0ad318e0df8e954d1a365cea9ca6be7_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-14_e0ad318e0df8e954d1a365cea9ca6be7_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-14_e0ad318e0df8e954d1a365cea9ca6be7_ryuk
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Size
133KB
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MD5
e0ad318e0df8e954d1a365cea9ca6be7
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SHA1
f33ea49bc0f7b3bb1977d552dd6053804772be0d
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SHA256
9a268ed6d87bacc2bfc3a97d7ea3fa8b9052499925f7601c7cc7e84894b90cc6
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SHA512
f27998842c904d6f8add5063ad38e7a73e5f6fe8f7d2563dfb9fa7d41468bac6083e15e717ad7d8fced8f4aad541c438d9f3ceb4acc1d478484d2df4730050d0
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SSDEEP
3072:pMiP9JZm0ZVBtooEFcWUT5apVjdI60DyjN32lATe:tVJhP0odWUsnjdIND4
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-14_e0ad318e0df8e954d1a365cea9ca6be7_ryuk
Files
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2024-05-14_e0ad318e0df8e954d1a365cea9ca6be7_ryuk.exe windows:6 windows x64 arch:x64
114e9d2a0dcb74c5a3cca2ecba13ee79
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
CloseHandle
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gehcont Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ