Extended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-09_043ab8639efa685d0cf6f632e4dbea03_ryuk.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-09_043ab8639efa685d0cf6f632e4dbea03_ryuk.exe
Resource
win10v2004-20231215-en
Target
2024-01-09_043ab8639efa685d0cf6f632e4dbea03_ryuk
Size
5.0MB
MD5
043ab8639efa685d0cf6f632e4dbea03
SHA1
d680c2920ac1c6f9090f9ca5290a9e85d0e58108
SHA256
5d3166b87ff2c04372ab94636c8303df043e0181817c61a8b353e8a07e59562c
SHA512
9f2545555b6081f264b9a2b3243ac0bd2a1106178a6df3350866bc96ae00a666498d6dd4eeaeb186313e7fb1d3078bc4796d66fab2489db6289246a8cd1f793b
SSDEEP
49152:YBFg9Ik7Vew3TAkeOAaJscW2lXB3R4sIr+PFLLtPOnt7tmRlhkXIsc2jAmQu88WC:yqQaweBZdLYntDQ4FWY1M0Cyahu
ExtKeyUsageCodeSigning
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
ExtKeyUsageCodeSigning
KeyUsageDigitalSignature
ExtKeyUsageTimeStamping
KeyUsageDigitalSignature
ExtKeyUsageTimeStamping
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
DokanMain
DokanRemoveMountPoint
CryptUnprotectData
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertDuplicateCertificateContext
CertFreeCertificateContext
CertGetCertificateContextProperty
gethostbyaddr
getsockopt
ntohs
select
gethostbyname
ioctlsocket
shutdown
socket
setsockopt
connect
closesocket
send
recv
WSASetLastError
getservbyname
getservbyport
WSAStartup
inet_ntoa
inet_addr
htons
htonl
WSAGetLastError
WSACleanup
CloseHandle
RaiseException
LoadLibraryW
DecodePointer
GetProcAddress
LocalFree
DeleteCriticalSection
FreeLibrary
WideCharToMultiByte
GetDriveTypeW
ReadFile
SetNamedPipeHandleState
WriteFile
PeekNamedPipe
WaitNamedPipeW
EnterCriticalSection
CreateNamedPipeW
LeaveCriticalSection
InitializeCriticalSection
DisconnectNamedPipe
ConnectNamedPipe
FlushFileBuffers
GetCurrentThreadId
SetFilePointerEx
SetEndOfFile
CreateFileA
WaitForMultipleObjects
WaitForSingleObject
CreateEventW
GetExitCodeThread
SetEvent
SetThreadExecutionState
DeleteVolumeMountPointW
GetCurrentProcess
DuplicateHandle
VirtualFree
VirtualAlloc
GetDateFormatW
SetLastError
InitializeSRWLock
ReleaseSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockExclusive
AcquireSRWLockShared
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStdHandle
GetFileType
GetModuleHandleW
GetModuleHandleExW
GetCurrentProcessId
GetSystemTimeAsFileTime
GetLastError
GetEnvironmentVariableW
GetACP
GetSystemDirectoryA
FormatMessageA
LoadLibraryA
FindClose
FindFirstFileW
FindNextFileW
GetConsoleMode
ReadConsoleA
ReadConsoleW
SetConsoleMode
GetCommandLineW
GetCommandLineA
HeapReAlloc
HeapFree
HeapAlloc
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
SetConsoleCtrlHandler
ExitProcess
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetConsoleCP
SetStdHandle
GetCurrentDirectoryW
GetFullPathNameW
GetProcessHeap
FindFirstFileExW
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
HeapSize
WriteConsoleW
DeleteFileA
GetFileSize
LockFileEx
UnlockFileEx
GetSystemTime
Sleep
MultiByteToWideChar
CreateFileW
InitializeCriticalSectionEx
GetModuleFileNameW
DeviceIoControl
GetLogicalDrives
QueryDosDeviceW
VirtualProtect
FormatMessageW
SystemTimeToFileTime
GetVersionExA
GetTickCount64
GetTimeZoneInformation
ExitThread
RtlUnwindEx
RtlPcToFileHeader
CreateTimerQueue
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
ReleaseSemaphore
GetVersionExW
LoadLibraryExW
GetModuleHandleA
FreeLibraryAndExitThread
GetThreadTimes
GetCurrentThread
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
GetThreadPriority
SetThreadPriority
CreateThread
SwitchToThread
GetStringTypeW
TryEnterCriticalSection
EncodePointer
GetCPInfo
CompareStringW
LCMapStringW
GetLocaleInfoW
QueryPerformanceCounter
InitializeCriticalSectionAndSpinCount
GetTickCount
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
SignalObjectAndWait
UnregisterDeviceNotification
RegisterPowerSettingNotification
RegisterDeviceNotificationW
wsprintfW
MessageBoxW
UnregisterPowerSettingNotification
GetUserObjectInformationW
GetProcessWindowStation
SetSecurityDescriptorDacl
CryptEnumProvidersW
CryptSignHashW
CryptDestroyHash
CryptCreateHash
CryptDecrypt
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptSetHashParam
CryptDestroyKey
CryptReleaseContext
CryptAcquireContextW
ReportEventW
RegisterEventSourceW
DeregisterEventSource
GetPrivateObjectSecurity
SetPrivateObjectSecurityEx
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegisterServiceCtrlHandlerExW
SetServiceStatus
InitializeSecurityDescriptor
StartServiceCtrlDispatcherW
CreateServiceW
QueryServiceStatus
CloseServiceHandle
OpenSCManagerW
OpenServiceW
RegCloseKey
RegDeleteKeyW
RegCreateKeyExW
RegSetValueExW
RegOpenKeyExW
RegQueryValueExW
CoSetProxyBlanket
StringFromGUID2
CoCreateInstance
CoUninitialize
CoInitializeEx
SysFreeString
SysAllocString
VariantChangeType
VariantClear
VariantCopy
VariantInit
BCryptGenRandom
WinHttpOpen
WinHttpCloseHandle
WinHttpConnect
WinHttpReadData
WinHttpWriteData
WinHttpQueryDataAvailable
WinHttpSetOption
WinHttpSetTimeouts
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpSendRequest
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpCrackUrl
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ