2024-05-11_6545e6b93662ac8072e7396df9ccc98d_ryuk

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General

Target

2024-05-11_6545e6b93662ac8072e7396df9ccc98d_ryuk
Size

125KB
MD5

6545e6b93662ac8072e7396df9ccc98d
SHA1

faa9c77a450b618e6b2f19d59c22d3f006a727c5
SHA256

066a88eb0ad8fa9062b7e42c2646c4b124d8858289c09e3a8415fad4cd8c8209
SHA512

37060c3ff63a00449b381ee1a577d4a3c94e0b7448d363c64ee45ce5ff3152df180efafca359dd46c2c47a554587ed9b64ac1ae49c179c239edd54c6d4cb2990
SSDEEP

1536:ArOYAyKVuJAarRlUJ/LEVRDZhpTxj8dBoYsE9dl4u8a4agvhvgh6MgiyPeR6k/:4OoKVOA6RiJ/LENhr6jSu8aJgvh2RYe

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-11_6545e6b93662ac8072e7396df9ccc98d_ryuk

Files

2024-05-11_6545e6b93662ac8072e7396df9ccc98d_ryuk
.exe windows:6 windows x64 arch:x64

877c87a4cf531e6cba9304ed63301c17

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

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

advapi32

SystemFunction036
RegQueryValueExW
RegOpenKeyExW
RegNotifyChangeKeyValue
RegCloseKey

shell32

CommandLineToArgvW

Sections

.text
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

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

877c87a4cf531e6cba9304ed63301c17

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

Sections

.text Size: 45KB - Virtual size: 44KB

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

.data Size: 2KB - Virtual size: 6KB

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

.rsrc Size: 2KB - Virtual size: 2KB

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

.text
Size: 45KB - Virtual size: 44KB

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

.data
Size: 2KB - Virtual size: 6KB

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

.rsrc
Size: 2KB - Virtual size: 2KB

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