Static task
static1
Behavioral task
behavioral1
Sample
2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk
-
Size
87KB
-
MD5
6f02cc62205839b829fa4d91c130339c
-
SHA1
b1692c1b6191028d29ca98c88c865130de5c732a
-
SHA256
d9068c6d5d90ae223f8e5474789081074117b42e1ce586ed33f11fcca2c89f46
-
SHA512
818ff6a7c213bf7ac09b9138a0c36eebecda2420ec1be6b94a8890f74b0e485dd148731b60a975e42ad7027cef2e304b3b7523bf1d05fc2abf52137d660c8849
-
SSDEEP
1536:WpcXp0nHVL47m5H/5XNi7HeDN4gm9MsWSajdc9dlQ66kMhVpZRFJJ:WKXYq7Uf59i7HrD9XaZUNzMhVLRF7
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk
Files
-
2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk.exe windows:6 windows x64 arch:x64
e876a72f51be14273d0f0d646d5702f5
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
CreateToolhelp32Snapshot
Process32NextW
LockResource
Process32FirstW
ResumeThread
FindResourceW
ReadProcessMemory
CreateProcessA
WriteProcessMemory
SizeofResource
LoadResource
GetModuleFileNameA
WriteConsoleW
SetFilePointerEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
CreateFileW
advapi32
RegCloseKey
RegSetValueExA
RegCreateKeyA
ntdll
NtQueryInformationProcess
Sections
.text Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 35KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 188B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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