Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_5e05a130ca2b20e5d70cfde503e54222_ryuk.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_5e05a130ca2b20e5d70cfde503e54222_ryuk.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-12_5e05a130ca2b20e5d70cfde503e54222_ryuk
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Size
10.4MB
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MD5
5e05a130ca2b20e5d70cfde503e54222
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SHA1
3776becb4162c0af7bd95c0c0f40ff7da43645d9
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SHA256
2486c4443dc5d9a222a0c490bf9c5913fc102b83f87d761f1f637aafb71844b7
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SHA512
d108352dbb10db32400e452471a3d4daada35686b2b84a3189f465cac671ce227ba5dca29e39e92eb427265d190195b15730fc2ece6a7373260a46ed0fdbb16b
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SSDEEP
196608:NPBycV1X1V6eb2jLf5tCIzpiaDJYIbzINNaMbVAeSzwq1aMX/9Be/nGaZD:vyU1XCbzpp1yIqNw1aMFBe/nGaZD
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-12_5e05a130ca2b20e5d70cfde503e54222_ryuk
Files
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2024-02-12_5e05a130ca2b20e5d70cfde503e54222_ryuk.exe windows:6 windows x64 arch:x64
46d6c638f4b4e88fef0bfa27f8bb64fe
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
SHFileOperationW
SHGetFolderPathW
imagehlp
MapAndLoad
UnMapAndLoad
kernel32
CloseHandle
CompareStringW
CreateDirectoryW
CreateFileMappingW
CreateFileW
CreateProcessW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileSize
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetShortPathNameW
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MapViewOfFile
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEnvironmentVariableA
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 169KB - Virtual size: 168KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 14KB - Virtual size: 14KB
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