2024-01-01_d1b8b4d0174c3444657c6db987675f4e_ryuk

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General

Target

2024-01-01_d1b8b4d0174c3444657c6db987675f4e_ryuk
Size

1.4MB
MD5

d1b8b4d0174c3444657c6db987675f4e
SHA1

d93d727a3bce0d4ad27c3f5a9a4d8afc84641fde
SHA256

e7a4637e623bb2e4666c081d29dd626ad323f0879de2368e6895cfd38d7ae124
SHA512

7baa534f08355b496b8687da0d6f4d82d410818f36ebab9da7b5eff0c002d6a8bafa0cce2e18c1e81f8958fc3f2244867ea66a9563df0f24c03e927b7209e519
SSDEEP

12288:GFN3e/ytnh7/tS5WQlcKkSIFw4GajtY5FzolGth2zKj0sVLD2H6b5xc0SxkZTr:SN3e/ytGknS5FEgthoHqxc0S

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-01_d1b8b4d0174c3444657c6db987675f4e_ryuk

Files

2024-01-01_d1b8b4d0174c3444657c6db987675f4e_ryuk
.exe windows:6 windows x64 arch:x64

4c3d4ce97f5a60aef0679c108e61e595

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

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

Sections

.text
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 232B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 167KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

4c3d4ce97f5a60aef0679c108e61e595

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 54KB - Virtual size: 54KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 232B

.rsrc Size: 167KB - Virtual size: 166KB

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 54KB - Virtual size: 54KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 232B

.rsrc
Size: 167KB - Virtual size: 166KB

.reloc
Size: 1.2MB - Virtual size: 1.8MB