2024-05-03_637985f510050baf6a786a089a9cb342_ryuk

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General

Target

2024-05-03_637985f510050baf6a786a089a9cb342_ryuk
Size

26.0MB
MD5

637985f510050baf6a786a089a9cb342
SHA1

1e926887d222b5d8aa61221c0661dc1e368ecd90
SHA256

83e8e94c85a78ba0f17ee85f4704a37fa130b16a35f4ad1bc3e00f75b7e12656
SHA512

e6eb8c2b6a8575fb42724eed84f90671b835ca62219b993978bf63724a82259ad6ef5b9183da65f00b2523b2f42a1f8b09e1b84c2789bcee2616ed5c6adc8ccb
SSDEEP

196608:rqMEsXgWXfLmvsVx5W59LwQvsgsx+RVUrNJDJVPoatvD67/AwwohmBhkz5trYrsJ:uMBNPVPoaJmvOG7hb

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-03_637985f510050baf6a786a089a9cb342_ryuk

Files

2024-05-03_637985f510050baf6a786a089a9cb342_ryuk
.exe windows:6 windows x64 arch:x64

667f4bdbfa1ca762d4d1e84e38bc7da6

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

PDB Paths

ruffle_desktop.pdb

Imports

bcryptprimitives

ProcessPrng

kernel32

AddVectoredExceptionHandler
AttachConsole
CloseHandle
CompareStringOrdinal
CompareStringW
CreateDirectoryW
CreateEventA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileA
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeConsole
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetQueuedCompletionStatusEx
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetSystemTimePreciseAsFileTime
GetTempFileNameA
GetTempPathA
GetTimeZoneInformationForYear
GetUserPreferredUILanguages
GetWindowsDirectoryW
GlobalAlloc
GlobalFree
GlobalLock
GlobalSize
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
MapViewOfFile
MultiByteToWideChar
OutputDebugStringW
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReadFileEx
RegisterWaitForSingleObject
ReleaseMutex
RemoveVectoredExceptionHandler
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleMode
SetConsoleTextAttribute
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileCompletionNotificationModes
SetFileInformationByHandle
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadErrorMode
SetThreadPriority
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepEx
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWait
UpdateProcThreadAttribute
VirtualProtect
WaitForMultipleObjectsEx
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteFileEx
lstrlenW

user32

AdjustWindowRectEx
ChangeDisplaySettingsExW
ClientToScreen
ClipCursor
CloseClipboard
CloseTouchInputHandle
CreateIcon
CreateWindowExA
CreateWindowExW
DefWindowProcA
DefWindowProcW
DestroyIcon
DestroyWindow
DispatchMessageW
EmptyClipboard
EnableMenuItem
EnumDisplayMonitors
GetActiveWindow
GetAsyncKeyState
GetClientRect
GetClipCursor
GetClipboardData
GetCursorPos
GetDC
GetKeyState
GetKeyboardLayout
GetKeyboardState
GetMenu
GetMessageW
GetMonitorInfoW
GetRawInputData
GetSystemMenu
GetSystemMetrics
GetTouchInputInfo
GetWindowLongPtrW
GetWindowLongW
GetWindowPlacement
GetWindowRect
InvalidateRgn
IsClipboardFormatAvailable
IsProcessDPIAware
KillTimer
LoadCursorW
MapVirtualKeyExW
MapVirtualKeyW
MessageBoxW
MonitorFromRect
MonitorFromWindow
OpenClipboard
PeekMessageW
PostMessageW
RedrawWindow
RegisterClassExA
RegisterClassExW
RegisterClipboardFormatW
RegisterRawInputDevices
RegisterTouchWindow
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
ScreenToClient
SendMessageW
SetCapture
SetClipboardData
SetCursor
SetTimer
SetWindowDisplayAffinity
SetWindowLongPtrW
SetWindowLongW
SetWindowPlacement
SetWindowPos
SetWindowTextW
ShowCursor
ShowWindow
SystemParametersInfoA
ToUnicodeEx
TrackMouseEvent
TranslateMessage
ValidateRect

gdi32

ChoosePixelFormat
CreateRectRgn
DeleteObject
DescribePixelFormat
GetDeviceCaps
GetPixelFormat
SetPixelFormat
SwapBuffers

dwmapi

DwmEnableBlurBehindWindow

ole32

CoCreateInstance
CoIncrementMTAUsage
CoInitializeEx
CoTaskMemFree
CoUninitialize
OleInitialize
PropVariantClear
RegisterDragDrop
RevokeDragDrop

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSASend
WSASocketW
WSAStartup
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
recv
send
setsockopt
shutdown
socket

advapi32

ImpersonateAnonymousToken
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
RevertToSelf
SystemFunction036

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError

shell32

DragFinish
DragQueryFileW
SHCreateItemFromParsingName
SHGetKnownFolderPath

uxtheme

SetWindowTheme

imm32

ImmAssociateContextEx
ImmGetCompositionStringW
ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

oleaut32

GetErrorInfo
SysFreeString
SysStringLen

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

shlwapi

AssocQueryStringW

opengl32

wglCreateContext
wglDeleteContext
wglGetCurrentContext
wglGetProcAddress
wglMakeCurrent

d3dcompiler_47

D3DCompile

api-ms-win-core-winrt-l1-1-0

RoGetActivationFactory

bcrypt

BCryptGenRandom

Exports

Exports

PKCreateCodecFactory
PKImageDecode_Create_WMP
PKImageEncode_Create_TIF
PKImageEncode_Transcode
PixelFormatLookup
Ruffle_PKFormatConverterInitialize
Ruffle_SetPixelFormat

Sections

.text
Size: 18.9MB - Virtual size: 18.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6.6MB - Virtual size: 6.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 80KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 308KB - Virtual size: 307KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 1024B - Virtual size: 985B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 174KB - Virtual size: 174KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

667f4bdbfa1ca762d4d1e84e38bc7da6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

bcryptprimitives

kernel32

user32

gdi32

dwmapi

ole32

ws2_32

advapi32

ntdll

shell32

uxtheme

imm32

oleaut32

api-ms-win-core-synch-l1-2-0

shlwapi

opengl32

d3dcompiler_47

api-ms-win-core-winrt-l1-1-0

bcrypt

Exports

Exports

Sections

.text Size: 18.9MB - Virtual size: 18.9MB

.rdata Size: 6.6MB - Virtual size: 6.6MB

.data Size: 28KB - Virtual size: 80KB

.pdata Size: 308KB - Virtual size: 307KB

.gxfg Size: 9KB - Virtual size: 8KB

.tls Size: 1024B - Virtual size: 985B

_RDATA Size: 512B - Virtual size: 500B

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

.reloc Size: 174KB - Virtual size: 174KB

.text
Size: 18.9MB - Virtual size: 18.9MB

.rdata
Size: 6.6MB - Virtual size: 6.6MB

.data
Size: 28KB - Virtual size: 80KB

.pdata
Size: 308KB - Virtual size: 307KB

.gxfg
Size: 9KB - Virtual size: 8KB

.tls
Size: 1024B - Virtual size: 985B

_RDATA
Size: 512B - Virtual size: 500B

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

.reloc
Size: 174KB - Virtual size: 174KB