2025-01-01_f4f6419b3b1db8b549660eccdd397be9_ryuk

Sharing

Copy URL

Twitter E-mail

General

Target

2025-01-01_f4f6419b3b1db8b549660eccdd397be9_ryuk
Size

5.0MB
MD5

f4f6419b3b1db8b549660eccdd397be9
SHA1

a3e2f9e5e25d165ee2ccd2dc115c324a8dede139
SHA256

02a4709111b67da14020216103d7cec2aec3587234fd21914db6430c8cd81f65
SHA512

16e24df51b6a6ac4712282496c42255ac7ff165bd57b4e520a53af7935311928adc5c4ea7526a3819279840fed103317becf9ffa3989ba1e686a2f2f8d5192dd
SSDEEP

49152:FraFkK0lzGzoWFI7/U+9l3TIbh0f/NHqoW2qCQUVtnbcdeQhancG:lmk7lzeoWqg0fdsdecann

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2025-01-01_f4f6419b3b1db8b549660eccdd397be9_ryuk

Files

2025-01-01_f4f6419b3b1db8b549660eccdd397be9_ryuk
.exe windows:6 windows x64 arch:x64

6c877e1e0d91569bc49e6b3b6ba88aa6

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

EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
CloseHandle
DeleteCriticalSection
ConvertThreadToFiber
SwitchToFiber
CreateThread
SuspendThread
OpenThread
GetSystemDirectoryA
DeleteFileA
CreateFileMappingA
CreateNamedPipeA
ExitProcess
VirtualAlloc
ExitThread
GetHandleInformation
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetCurrentProcess
TerminateProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
RaiseException

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rodata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 676KB - Virtual size: 675KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3.1MB - Virtual size: 3.1MB

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: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

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

Sharing

General

Malware Config

Signatures

Files

6c877e1e0d91569bc49e6b3b6ba88aa6

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rodata Size: 10KB - Virtual size: 10KB

.rdata Size: 676KB - Virtual size: 675KB

.data Size: 3.1MB - Virtual size: 3.1MB

.pdata Size: 3KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rodata
Size: 10KB - Virtual size: 10KB

.rdata
Size: 676KB - Virtual size: 675KB

.data
Size: 3.1MB - Virtual size: 3.1MB

.pdata
Size: 3KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 2KB - Virtual size: 1KB