2024-04-11_49b1f770419ccc03cc4d7bc444979061_ryuk

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General

Target

2024-04-11_49b1f770419ccc03cc4d7bc444979061_ryuk
Size

278KB
MD5

49b1f770419ccc03cc4d7bc444979061
SHA1

0dd9115a7fff5a4f78c7f3274fdb979435944cc8
SHA256

ffb676b2ae12cb5a935ff5b0a86b8c2948128b16215ce87a2798c95ce641c559
SHA512

b4c82775da6299fef08e1f2a4c4018ad4f0a72e842c2d7b2ee08d3ed1ed8d55ce5c784110ed749ae182f3c78adfdfcec889a50fdf0cb2518b9ab555459281ce3
SSDEEP

3072:p2fJMVUxCDGUZc5Sv1We7dzmEALFkhL4H+1FI8hLFHv/sGymQ3uAsoV2/YXTWroL:p2xDUv1We79mEALF0L4ehhLJohNUi2

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-11_49b1f770419ccc03cc4d7bc444979061_ryuk

Files

2024-04-11_49b1f770419ccc03cc4d7bc444979061_ryuk
.exe windows:6 windows x64 arch:x64

343a30b5a31485a90b7f9725f933aa8f

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

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

wininet

InternetCloseHandle
HttpQueryInfoW
InternetOpenW
InternetOpenUrlA
InternetReadFile

Sections

.text
Size: 159KB - Virtual size: 159KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 91KB - Virtual size: 90KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 776B

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

.gxfg
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 32B

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

343a30b5a31485a90b7f9725f933aa8f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

wininet

Sections

.text Size: 159KB - Virtual size: 159KB

.rdata Size: 91KB - Virtual size: 90KB

.data Size: 5KB - Virtual size: 10KB

.pdata Size: 8KB - Virtual size: 8KB

.gfids Size: 1024B - Virtual size: 776B

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

.gxfg Size: 8KB - Virtual size: 7KB

.gehcont Size: 512B - Virtual size: 32B

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

.text
Size: 159KB - Virtual size: 159KB

.rdata
Size: 91KB - Virtual size: 90KB

.data
Size: 5KB - Virtual size: 10KB

.pdata
Size: 8KB - Virtual size: 8KB

.gfids
Size: 1024B - Virtual size: 776B

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

.gxfg
Size: 8KB - Virtual size: 7KB

.gehcont
Size: 512B - Virtual size: 32B

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