2024-02-14_4ca0779287085e1cacd94b3ef303cd83_ryuk

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General

Target

2024-02-14_4ca0779287085e1cacd94b3ef303cd83_ryuk
Size

835KB
MD5

4ca0779287085e1cacd94b3ef303cd83
SHA1

72f36d3d783d515f9c50ca4049ce423a6514d83e
SHA256

543cc3bb7cecbe368fab7d52f7b2635bc633eefed8b3e9d024ce22a0f24b984a
SHA512

d6dc73154a12f613603c9e593729051b22d124a03f1e1bf27e1cb81b575f611155bfe55dbc6f5f75683292410fbe8d6cd4dc4f452be2040a97d2ffbc020d5ab2
SSDEEP

12288:9FN3e/ytnh7/tS5/UBL8252uui8FbECP7BhdfswdJ0NXdU8ZWH7DEP1rCJ7U3J:LN3e/ytKt2rR8FfBhRJUEbDk1ulUZ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-14_4ca0779287085e1cacd94b3ef303cd83_ryuk

Files

2024-02-14_4ca0779287085e1cacd94b3ef303cd83_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: 568KB - Virtual size: 572KB

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: 568KB - Virtual size: 572KB

.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: 568KB - Virtual size: 572KB