2024-06-14_b38c2aad5a56c35e8a981c43c082cdf6_ryuk

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General

Target

2024-06-14_b38c2aad5a56c35e8a981c43c082cdf6_ryuk
Size

1.3MB
MD5

b38c2aad5a56c35e8a981c43c082cdf6
SHA1

202049b7d499f154ea35efeac5e04ae8f112ccac
SHA256

fd52be1ba88412a24927543df4aa3a02f54bd0267e399312215947071780c211
SHA512

ce940d26d4adcc620dd25680632e7647114ad2dc5cd162425fb6bcff2e45415c288e7bd22cab627cd7de478b461ea1920f25f301fb5e3504396299d1ab9220d7
SSDEEP

12288:rIzXmyiXc3ajG+hjQKymY8efKCpD7Gj9G6G1qT8nQkCu83L3Wl/np9DBDt3kbE:rlyisqjnhMgeiCl7G0nehbGZpbD

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-14_b38c2aad5a56c35e8a981c43c082cdf6_ryuk

Files

2024-06-14_b38c2aad5a56c35e8a981c43c082cdf6_ryuk
.exe windows:6 windows x64 arch:x64

877c87a4cf531e6cba9304ed63301c17

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

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: 1.2MB - Virtual size: 1.8MB

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

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: 1.2MB - Virtual size: 1.8MB

.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: 1.2MB - Virtual size: 1.8MB