Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_9d297b5ea4a72bb2ed5a22eba88bf5ef_ryuk.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_9d297b5ea4a72bb2ed5a22eba88bf5ef_ryuk.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-03_9d297b5ea4a72bb2ed5a22eba88bf5ef_ryuk
-
Size
139KB
-
MD5
9d297b5ea4a72bb2ed5a22eba88bf5ef
-
SHA1
14bf4fa9dbf66cf29068889e2b1263bf43a40be7
-
SHA256
8e24361fc9ecbf998d68facbcd4d8fcc8dbcdf58ebab4ace2ec422bc48633349
-
SHA512
cb83ea914dd0b9d855b56b7b4fe3ee7c9ceb430a73610e7c04919cb763cb1c28a9e28ab7246ca0769d5c946d7d57feeae3e3e27f8d6bffe38f5d589ac93a38c3
-
SSDEEP
3072:5yTZXYw/VAJJhxN4noPgEu8iET8ymDHYSgLvblv:5G/UJh8GNZi5ymyD
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-03_9d297b5ea4a72bb2ed5a22eba88bf5ef_ryuk
Files
-
2024-02-03_9d297b5ea4a72bb2ed5a22eba88bf5ef_ryuk.exe windows:5 windows x64 arch:x64
12ac607aef5995042dcaaa0ee9a575a6
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
GetStdHandle
GetCommandLineW
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetConsoleCP
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
GetCommandLineA
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
SetStdHandle
GetConsoleMode
CloseHandle
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
WideCharToMultiByte
CreateFileW
SetConsoleMode
GetNumberOfConsoleInputEvents
ReadConsoleInputW
PeekConsoleInputA
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetFileSizeEx
SetFilePointerEx
HeapSize
HeapReAlloc
RaiseException
Sections
.text Size: 86KB - Virtual size: 86KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 168B
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