2024-02-22_406e4f5b327742f64791674f86f79d64_ryuk

Sharing

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General

Target

2024-02-22_406e4f5b327742f64791674f86f79d64_ryuk
Size

824KB
MD5

406e4f5b327742f64791674f86f79d64
SHA1

3d41b3363ad2bdf47ebffb26e77dec2eda0e8c5c
SHA256

57d6577614d98b7af1c11fb457dd55b797ede00430b3e3c7558b2c748c6aea2b
SHA512

ced2efe48272d0b40b0e111ccab5b39e5f038d7310fd5eb84461030fd4e3a2a897268297b0d400cfb01ddf597e6ed6970fb6f26e7b0ec433e41e15fd43115ee4
SSDEEP

6144:H6GhZL5gBW1uJzB/bRBkPQi5jHRSM9u5Z16gx85k:BZL71uZBT4PQd16

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-22_406e4f5b327742f64791674f86f79d64_ryuk

Files

2024-02-22_406e4f5b327742f64791674f86f79d64_ryuk
.exe windows:6 windows x64 arch:x64

440b8a88d9b4c82960a3d13a5176744f

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

GetTickCount
GetStdHandle
WriteFile
CreateThread
CreateFileA
CloseHandle
ExitProcess
ExpandEnvironmentStringsA
CreateFileW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
HeapAlloc
HeapReAlloc
HeapFree
GetModuleHandleExW
GetACP
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetCommandLineA
GetCommandLineW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
WriteConsoleW
ReadConsoleW
HeapSize
Sleep

shell32

ShellExecuteA

advapi32

SystemFunction036

Sections

.text
Size: 176KB - Virtual size: 175KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 78KB - Virtual size: 77KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 389KB - Virtual size: 395KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 864B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

440b8a88d9b4c82960a3d13a5176744f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

advapi32

Sections

.text Size: 176KB - Virtual size: 175KB

.rdata Size: 78KB - Virtual size: 77KB

.data Size: 389KB - Virtual size: 395KB

.pdata Size: 10KB - Virtual size: 9KB

.gfids Size: 1024B - Virtual size: 864B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 165KB - Virtual size: 165KB

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

.text
Size: 176KB - Virtual size: 175KB

.rdata
Size: 78KB - Virtual size: 77KB

.data
Size: 389KB - Virtual size: 395KB

.pdata
Size: 10KB - Virtual size: 9KB

.gfids
Size: 1024B - Virtual size: 864B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 165KB - Virtual size: 165KB

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