Static task
static1
Behavioral task
behavioral1
Sample
2024-12-03_854a9b6f5229ca9623655c5af644afa7_ryuk.exe
Resource
win7-20241023-en
General
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Target
2024-12-03_854a9b6f5229ca9623655c5af644afa7_ryuk
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Size
10.3MB
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MD5
854a9b6f5229ca9623655c5af644afa7
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SHA1
24403333b76134ecbb44747014b88c0b0be9831f
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SHA256
7493e9d330c6cd309670880f694b55d835ad3d774e907786d6eb5ac08dba21aa
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SHA512
11c3c3cd58c937967047e448847122abd24a7015d87e81923a5364f2f4e50610dae63a819fcc7812b01cae1e23e7d3b09852fc201edd4c0ba1e7d062c56aac4b
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SSDEEP
196608:2X0lRFzyrh2OH0DuVBYcSEzZmbjOe+sIY7sk0nEG8MTLwQBItZqWHDp:Ec7YHqgZmbjO1NYwfr8MTLXsZPp
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-12-03_854a9b6f5229ca9623655c5af644afa7_ryuk
Files
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2024-12-03_854a9b6f5229ca9623655c5af644afa7_ryuk.exe windows:6 windows x64 arch:x64
8f9a85511692e23a5a756afe677f95e1
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
d2d1
ord2
ord1
comctl32
ord345
ord344
kernel32
CloseHandle
DeleteCriticalSection
CreateEventW
ResetEvent
WaitForSingleObject
SetEvent
CreateThread
SetThreadPriority
GetExitCodeThread
GlobalFree
WideCharToMultiByte
MultiByteToWideChar
GlobalAlloc
GlobalLock
GlobalUnlock
HeapAlloc
GetProcessHeap
HeapFree
GetModuleFileNameW
CreateProcessW
FindResourceW
LoadResource
LockResource
SizeofResource
GetLastError
SetFilePointerEx
ReadFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetACP
WriteFile
InitializeCriticalSection
GetFileType
ExitProcess
HeapReAlloc
LoadLibraryExW
FreeLibrary
RtlUnwindEx
RaiseException
RtlPcToFileHeader
InitializeSListHead
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WaitForSingleObjectEx
GetCPInfo
GetLocaleInfoW
LCMapStringW
GetProcAddress
GetModuleHandleW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
Sleep
LeaveCriticalSection
GetStdHandle
EnterCriticalSection
TlsAlloc
InitializeCriticalSectionAndSpinCount
SetLastError
DecodePointer
EncodePointer
GetStringTypeW
GetModuleHandleExW
HeapSize
CreateFileW
ReadConsoleW
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileW
SetEndOfFile
FindFirstFileExW
FindClose
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
SetErrorMode
VirtualAlloc
GetModuleFileNameA
CreateFileA
SetFilePointer
GetModuleHandleA
LoadLibraryA
VirtualFree
user32
EnableWindow
GetDlgItem
EndDialog
MessageBoxW
SetGestureConfig
BeginPaint
SendDlgItemMessageW
IsDlgButtonChecked
LoadIconW
DialogBoxParamW
LoadStringW
LoadCursorW
SetCursor
ReleaseCapture
wsprintfW
ShowWindow
GetCapture
SetCapture
SetFocus
UpdateWindow
InvalidateRect
SetWindowTextW
GetClientRect
CloseWindow
SetWindowPos
GetWindowRect
DefWindowProcW
GetWindowLongPtrW
SetWindowLongPtrW
CreateWindowExW
RegisterClassExW
PostQuitMessage
DispatchMessageW
TranslateMessage
GetMessageW
SendMessageW
IsChild
WindowFromPoint
GetCursorPos
GetParent
SendNotifyMessageW
CloseGestureInfoHandle
GetGestureInfo
TrackMouseEvent
EndPaint
gdi32
SetBkMode
CreateSolidBrush
DeleteObject
shell32
ShellExecuteW
SetCurrentProcessExplicitAppUserModelID
SHCreateItemInKnownFolder
SHGetKnownFolderItem
SHCreateItemWithParent
ord155
SHCreateItemFromParsingName
ole32
CoUninitialize
CoTaskMemFree
CreateStreamOnHGlobal
CoCreateInstance
PropVariantClear
CoInitialize
webservices
WsFreeError
WsCall
WsCreateError
WsCreateHeap
WsFreeServiceProxy
WsOpenServiceProxy
WsCreateServiceProxy
WsFreeHeap
WsCloseServiceProxy
ncrypt
BCryptDestroyHash
BCryptCloseAlgorithmProvider
BCryptFinishHash
BCryptHashData
BCryptCreateHash
BCryptGetProperty
BCryptOpenAlgorithmProvider
xmllite
CreateXmlReader
CreateXmlReaderInputWithEncodingCodePage
winhttp
WinHttpSetOption
WinHttpConnect
WinHttpReadData
WinHttpQueryHeaders
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpOpenRequest
WinHttpGetProxyForUrl
WinHttpOpen
dwrite
DWriteCreateFactory
shlwapi
SHStrDupW
Sections
.text Size: 308KB - Virtual size: 308KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 162KB - Virtual size: 161KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 10KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 18KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 1024B - Virtual size: 600B
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
.rsrc Size: 261KB - Virtual size: 260KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ