2024-10-01_a5a5240578ee6411da5a7d73588e25e4_ryuk

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General

Target

2024-10-01_a5a5240578ee6411da5a7d73588e25e4_ryuk
Size

134KB
MD5

a5a5240578ee6411da5a7d73588e25e4
SHA1

df465b2a4ff13d3909a2f22f3d5e3e8903fe706c
SHA256

4811a89d66435771779fbdf0cb96f8299c91d2066dcb029a715ba704160ff708
SHA512

afdd5c69974bb628493bc9c7663f0ea9e98e3e5c0f92250b35edeed590f40050267e719c99afa7dcb6ed660b3902a3af770b62d57e36b570081c063d2dd0d2ce
SSDEEP

3072:xxjKOXNH3gClpXaXv0IhoW1cTNPDSkwRXSSXRFhNQeNP:xtXVgCTqXv0IqF5DnVP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-01_a5a5240578ee6411da5a7d73588e25e4_ryuk

Files

2024-10-01_a5a5240578ee6411da5a7d73588e25e4_ryuk
.exe windows:6 windows x64 arch:x64

a7b8ea19e30eef786d57e7533bd74cfd

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

GetProcAddress
LoadLibraryA
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
MultiByteToWideChar
CreateToolhelp32Snapshot
Module32FirstW
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetFileType
CloseHandle
GetConsoleCP
GetConsoleMode
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetStringTypeW
GetProcessHeap
CreateFileW
FlushFileBuffers
SetFilePointerEx
WriteConsoleW
HeapSize
HeapReAlloc
SetEndOfFile
RaiseException

user32

GetWindowThreadProcessId

Sections

.text
Size: 81KB - Virtual size: 81KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 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

Sharing

General

Malware Config

Signatures

Files

a7b8ea19e30eef786d57e7533bd74cfd

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Sections

.text Size: 81KB - Virtual size: 81KB

.rdata Size: 39KB - Virtual size: 38KB

.data Size: 4KB - Virtual size: 15KB

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

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

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 81KB - Virtual size: 81KB

.rdata
Size: 39KB - Virtual size: 38KB

.data
Size: 4KB - Virtual size: 15KB

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

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

.rsrc
Size: 1KB - Virtual size: 1KB

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