Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_ffc05e163c321f68b952916c073a2030_ryuk.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-13_ffc05e163c321f68b952916c073a2030_ryuk.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_ffc05e163c321f68b952916c073a2030_ryuk
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Size
2.3MB
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MD5
ffc05e163c321f68b952916c073a2030
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SHA1
bc2000ed048016a4245d508e0533ed045cb59ed6
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SHA256
2f032e263f3ecc461b8d5372882d3fba1de19a7df89d1cfb97a4d965391d2257
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SHA512
e0724972f6151b8480a870f3c015fbd190f7c136a49e41e6c5cb00af1ec949c71aaab1ffcbd0ab11e8639b8bcb1e435f2350216cab88362ef84f6e30547c50fc
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SSDEEP
49152:kPX6WwgPHSeToq1jcUf/zrQV/l7Xmx+8:kZ7kXf
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-13_ffc05e163c321f68b952916c073a2030_ryuk
Files
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2024-02-13_ffc05e163c321f68b952916c073a2030_ryuk.exe windows:6 windows x64 arch:x64
96449f757d71d740ab6a760d5279c232
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
shell32
CommandLineToArgvW
kernel32
TerminateProcess
RtlPcToFileHeader
GetStdHandle
GetCommandLineW
WaitNamedPipeW
LocalFree
MultiByteToWideChar
WideCharToMultiByte
GetConsoleMode
WriteConsoleW
GetConsoleTitleW
SetConsoleTitleW
CloseHandle
GetCurrentProcess
GetSystemInfo
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetModuleHandleW
GetProcAddress
GetShortPathNameW
FreeLibrary
LoadLibraryW
SetEvent
WaitForSingleObject
CreateEventA
Sleep
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
ReleaseSemaphore
CreateEventW
CreateSemaphoreW
GetCurrentThread
GetProcessAffinityMask
SetThreadPriority
GetThreadPriority
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
RtlUnwindEx
GetLastError
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
ExitProcess
EncodePointer
GetModuleHandleExW
SetConsoleCtrlHandler
ReadFile
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SetStdHandle
GetTimeZoneInformation
CreateThread
ExitThread
FreeLibraryAndExitThread
DeleteFileW
MoveFileExW
GetModuleFileNameW
WriteFile
GetCommandLineA
HeapFree
HeapAlloc
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
FlushFileBuffers
GetConsoleOutputCP
SetFilePointerEx
ReadConsoleW
GetCurrentDirectoryW
GetFullPathNameW
GetFileSizeEx
HeapReAlloc
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetStringTypeW
GetProcessHeap
RaiseException
HeapSize
SetEndOfFile
Sections
.text Size: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 418KB - Virtual size: 417KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 1015KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 38KB - Virtual size: 38KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 208B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gehcont Size: 512B - Virtual size: 36B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ