Static task
static1
Behavioral task
behavioral1
Sample
Ryuk86.bin.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Ryuk86.bin.exe
Resource
win10v2004-20230220-en
General
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Target
Ryuk86.bin.exe
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Size
767KB
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MD5
d2e194259106bca3b42dc8690d340b59
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SHA1
edcd63a3125854ed72cb5811f08644a87e265e3b
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SHA256
788ad5c53b3fc95ff2ae004d0449b76fede8bafad608e0603caca7cd044c8fbc
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SHA512
4cecf1db68cd71b92b2e968719a365397b3ccd16340a952a8901647e9829b0a6e8d4cb1f948fb792f2cc58e4f6e289fd81cb104b43ddc8469c0671935e653a13
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SSDEEP
12288:RnBkozA9lzIeVJ+OeO+OeNhBBhhBBUA9CGkIDIP6J9kgnDC3TbqUttRrvCsZ+nt2:jkozAjK95DIP4DCDbq8tRrvB
Malware Config
Signatures
Files
-
Ryuk86.bin.exe.exe windows x86
acb06c6c95a7a9dd5b5d6b37e9e012df
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
TerminateProcess
SetThreadPriority
SetFilePointer
CreateMutexW
InitializeCriticalSectionEx
FindClose
CreateFileW
ReleaseMutex
OpenProcess
SetFileAttributesW
CreateToolhelp32Snapshot
Sleep
FormatMessageW
CopyFileA
GetLastError
Process32NextW
Process32FirstW
CloseHandle
RaiseException
DecodePointer
WriteFile
LocalFree
GetFileSize
DeleteCriticalSection
CopyFileW
WideCharToMultiByte
GetConsoleWindow
OpenMutexW
GetDriveTypeW
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
WriteConsoleW
SetStdHandle
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetCurrentProcess
FindNextFileW
SetPriorityClass
FindFirstFileW
ReadFile
GetEnvironmentStringsW
GetOEMCP
SetThreadPriorityBoost
SetProcessPriorityBoost
GetACP
IsValidCodePage
FindFirstFileExW
MultiByteToWideChar
GetStringTypeW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
GetCurrentThreadId
WaitForSingleObjectEx
EncodePointer
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
LCMapStringEx
GetCPInfo
IsDebuggerPresent
OutputDebugStringW
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
CreateEventW
InitializeSListHead
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcessId
RtlUnwind
InterlockedPushEntrySList
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
MoveFileExW
GetModuleFileNameW
GetStdHandle
GetCommandLineA
GetCommandLineW
GetFileSizeEx
SetFilePointerEx
GetFileType
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
ReadConsoleW
HeapReAlloc
HeapSize
SetEndOfFile
user32
MessageBoxW
ShowWindow
advapi32
CryptAcquireContextA
CryptGenRandom
CryptReleaseContext
shell32
SHEmptyRecycleBinW
iphlpapi
GetIpNetTable
ws2_32
inet_ntoa
netapi32
NetShareEnum
NetApiBufferFree
Sections
.text Size: 556KB - Virtual size: 556KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 152KB - Virtual size: 151KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 31KB
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: 34KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ