2024-09-04_7b8e4736aa9198ca83f28b0d28a70da5_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-09-04_7b8e4736aa9198ca83f28b0d28a70da5_ryuk
Size

25.7MB
MD5

7b8e4736aa9198ca83f28b0d28a70da5
SHA1

6c379a4eddf56addc591be46d6cf27a9c7f8c093
SHA256

63285afce5ca55fba6111ef18317fd6dbe3444bf348ee383b9889de117233f72
SHA512

ebaf38ccfcd37c4233cb07ae143ed7acc669be174c55ee21dfc000a77cd283d7faefeaee17c5812a510d3cf30867ba9568d893b431fc86c391535d6076169619
SSDEEP

393216:d1Jsv6tWKFdu9CfSj6ZAXDcsZaDHfu03h5b083eSaFLWjmyQkMax9Kg0pSlzSxBc:dvQx2ms2TWjFvGpBxXqUQ3lX/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-04_7b8e4736aa9198ca83f28b0d28a70da5_ryuk

Files

2024-09-04_7b8e4736aa9198ca83f28b0d28a70da5_ryuk
.exe windows:6 windows x64 arch:x64

f46191b5a73971a9eaf286497a417f1c

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

CreateFileW
GetFileAttributesExW
GetFullPathNameW
DeviceIoControl
LocalFree
FormatMessageW
CreateDirectoryW
DeleteFileW
GetFileAttributesW
SetFileAttributesW
CreateDirectoryExW
FormatMessageA
GetSystemTime
SetFileTime
SetEndOfFile
SetFilePointerEx
WideCharToMultiByte
MultiByteToWideChar
GetLastError
FreeLibrary
GetModuleHandleW
GetProcAddress
K32EnumProcesses
LoadLibraryW
Process32FirstW
Process32NextW
CreateToolhelp32Snapshot
GetConsoleWindow
CloseHandle
GetSystemWow64DirectoryW
GetSystemDirectoryW
RemoveDirectoryW
WaitForSingleObject
WriteConsoleW
HeapSize
FreeEnvironmentStringsW
OutputDebugStringW
DuplicateHandle
SetEvent
CreateEventW
Sleep
WaitForMultipleObjects
GetCurrentProcess
CreateThread
GetCurrentThread
GetCurrentThreadId
SetThreadPriority
GetThreadPriority
TerminateThread
ResumeThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemInfo
CompareStringW
GetUserDefaultLCID
GetCommandLineW
GetCurrentProcessId
GetLocalTime
WaitForSingleObjectEx
QueryPerformanceCounter
QueryPerformanceFrequency
GetTickCount64
GetCurrentDirectoryW
FindClose
FindFirstFileW
GetFileInformationByHandle
GetLogicalDrives
GetLongPathNameW
GetTempPathW
GetVolumePathNamesForVolumeNameW
SetErrorMode
CopyFileW
MoveFileW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileInformationByHandleEx
FlushFileBuffers
GetFileType
ReadFile
WriteFile
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
MoveFileExW
GetStartupInfoW
GetModuleFileNameW
ResetEvent
GetDateFormatW
GetTimeFormatW
GetLocaleInfoW
GetCurrencyFormatW
GetUserPreferredUILanguages
FindFirstFileExW
FindNextFileW
GetTimeZoneInformation
GetGeoInfoW
GetUserGeoID
GetModuleHandleExW
GetExitCodeProcess
OpenProcess
LoadLibraryA
ReleaseMutex
CreateMutexW
VirtualFree
RtlPcToFileHeader
EncodePointer
DecodePointer
RaiseException
SetLastError
InitializeCriticalSectionAndSpinCount
GetSystemTimeAsFileTime
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
LCMapStringW
GetStringTypeW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
InitializeSListHead
RtlUnwindEx
LoadLibraryExW
ExitThread
FreeLibraryAndExitThread
GetCommandLineA
GetConsoleMode
ReadConsoleW
GetConsoleCP
SetStdHandle
ExitProcess
HeapAlloc
HeapFree
HeapReAlloc
GetStdHandle
IsValidLocale
EnumSystemLocalesW
GetFileSizeEx
SetEnvironmentVariableW
GetProcessHeap
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW

user32

DestroyWindow
GetQueueStatus
MsgWaitForMultipleObjectsEx
SetTimer
KillTimer
CreateWindowExW
SetWindowLongPtrW
SetWindowsHookExW
UnhookWindowsHookEx
CallNextHookEx
CharNextExA
MessageBoxW
UnregisterClassW
RegisterClassW
DefWindowProcW
PostMessageW
PeekMessageW
DispatchMessageW
TranslateMessage
ShowWindow
GetWindowLongPtrW

shell32

ShellExecuteExW

oleaut32

SysAllocString
SysFreeString
SysStringLen
SysAllocStringLen

ws2_32

WSAAsyncSelect

winmm

timeKillEvent
timeSetEvent

advapi32

OpenProcessToken
FreeSid
GetLengthSid
GetTokenInformation
RegCloseKey
RegEnumKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegCreateKeyExW
RegDeleteKeyW
RegDeleteValueW
RegEnumValueW
RegFlushKey
RegSetValueExW
CopySid

ole32

CoCreateInstance
CoInitialize
CoTaskMemFree
CoUninitialize

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24.1MB - Virtual size: 24.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 13B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 1024B - Virtual size: 516B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f46191b5a73971a9eaf286497a417f1c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

oleaut32

ws2_32

winmm

advapi32

ole32

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 24.1MB - Virtual size: 24.1MB

.data Size: 21KB - Virtual size: 40KB

.pdata Size: 64KB - Virtual size: 64KB

.tls Size: 512B - Virtual size: 13B

.gfids Size: 1024B - Virtual size: 516B

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

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

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 24.1MB - Virtual size: 24.1MB

.data
Size: 21KB - Virtual size: 40KB

.pdata
Size: 64KB - Virtual size: 64KB

.tls
Size: 512B - Virtual size: 13B

.gfids
Size: 1024B - Virtual size: 516B

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

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