2024-09-29_ff6f1e552a36beea34f604ebe2b11be4_ryuk

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General

Target

2024-09-29_ff6f1e552a36beea34f604ebe2b11be4_ryuk
Size

5.6MB
MD5

ff6f1e552a36beea34f604ebe2b11be4
SHA1

cebabbce635ac21c44f004dc05110d170d3b7b0d
SHA256

d9047fb1237823e4d6685a90e43053b16cc03ad3539d16ee16162c690edd4ec0
SHA512

f2fec738a1b9b50858cd37eea495bc0c4ada0f2ec5a98e8b507ad44dabff52ac85a52c557e7bc7b5e13faf042f2a0a7bcf38dbf18051622ed9f2e9bd0260350a
SSDEEP

98304:JMWfDc9W4i3yiI712QtKi+QE99xCW4QI+iZ7q1zPPXNAjtVa/u:iruyiY0bLxB4QI+7NAjtVa/u

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-29_ff6f1e552a36beea34f604ebe2b11be4_ryuk

Files

2024-09-29_ff6f1e552a36beea34f604ebe2b11be4_ryuk
.exe windows:6 windows x64 arch:x64

8299ba1fc9fcf4ecf6b0c9401462a801

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

FreeEnvironmentStringsW
GetEnvironmentStringsW
IsValidCodePage
FindNextFileA
FindFirstFileExA
SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetTimeZoneInformation
LCMapStringW
GetStringTypeW
GetStdHandle
SetEnvironmentVariableA
SetStdHandle
QueryPerformanceFrequency
HeapQueryInformation
FreeLibraryAndExitThread
ExitThread
GetSystemInfo
GetCommandLineW
GetCommandLineA
RtlUnwindEx
RtlPcToFileHeader
VirtualQueryEx
VirtualProtectEx
VirtualFree
FlushInstructionCache
SetThreadContext
GetThreadContext
VirtualQuery
OutputDebugStringW
WriteConsoleW
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateEventW
WaitForSingleObjectEx
FindResourceExW
GetWindowsDirectoryA
SearchPathA
GetProfileIntA
GetTickCount
SystemTimeToTzSpecificLocalTime
GetFileTime
GetFileSizeEx
GetFileAttributesExA
FileTimeToLocalFileTime
SetErrorMode
GetCPInfo
GetOEMCP
VirtualProtect
GetVolumeInformationA
lstrcmpiA
GetCurrentProcess
DuplicateHandle
WriteFile
UnlockFile
SetEndOfFile
ReadFile
LockFile
GetFullPathNameA
FlushFileBuffers
FindFirstFileA
FindClose
FileTimeToSystemTime
GetTempFileNameA
GetTempPathA
SetFilePointer
GetACP
GetFileSize
GetFileAttributesA
CreateFileA
GetThreadLocale
DeleteFileA
GlobalFlags
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryA
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
GlobalGetAtomNameA
GlobalFindAtomA
lstrcmpW
GetSystemDirectoryW
EncodePointer
GlobalAddAtomA
ResumeThread
SuspendThread
SetThreadPriority
CopyFileA
FormatMessageA
MulDiv
LocalFree
GlobalSize
GetCurrentProcessId
VerifyVersionInfoA
lstrcpyA
VerSetConditionMask
GlobalUnlock
WritePrivateProfileStringA
GetPrivateProfileStringA
GetPrivateProfileIntA
GetModuleHandleW
GetModuleHandleA
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
LoadLibraryW
GetModuleHandleExW
GetModuleFileNameW
InitializeCriticalSectionAndSpinCount
SetLastError
OutputDebugStringA
FindResourceA
GlobalFree
FreeResource
CompareStringA
MultiByteToWideChar
lstrcmpA
GlobalDeleteAtom
GlobalLock
GlobalAlloc
LoadLibraryExW
GetModuleFileNameA
FreeLibrary
GetVersionExA
GetCurrentThreadId
GetProcessHeap
DeleteCriticalSection
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
GetLastError
HeapSize
InitializeCriticalSectionEx
LeaveCriticalSection
EnterCriticalSection
HeapFree
CloseHandle
CreateThread
AddVectoredExceptionHandler
CreateEventA
ResetEvent
WaitForSingleObject
GetCurrentThread
SetEvent
Sleep
VirtualAlloc
ExitProcess
FindResourceW
LoadResource
LockResource
SizeofResource
WideCharToMultiByte
GetProcAddress
GetFileType
LoadLibraryA
CreateFileW

user32

MessageBeep
GetNextDlgGroupItem
IntersectRect
SetRect
InvalidateRgn
CopyAcceleratorTableA
CharNextA
KillTimer
SetTimer
RealChildWindowFromPoint
DeleteMenu
CopyImage
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
IsDialogMessageA
SetWindowTextA
SendDlgItemMessageA
CheckDlgButton
MoveWindow
ShowWindow
MonitorFromWindow
WinHelpA
GetScrollInfo
SetScrollInfo
LoadIconA
GetTopWindow
GetClassLongPtrA
GetClassLongA
SetWindowLongPtrA
GetWindowLongPtrA
SetWindowLongA
EqualRect
AdjustWindowRectEx
GetWindowTextLengthA
GetWindowTextA
RemovePropA
GetPropA
SetPropA
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
SetForegroundWindow
GetForegroundWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
SetFocus
GetDlgCtrlID
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
IsMenu
CreateWindowExA
GetClassInfoExA
RegisterClassA
CallWindowProcA
GetMessageTime
GetMessagePos
GetMenuItemInfoA
DestroyMenu
GetClassNameA
InvalidateRect
UpdateWindow
SetCursor
ShowOwnedPopups
ValidateRect
GetKeyState
PeekMessageA
DispatchMessageA
TranslateMessage
GetMessageA
SetParent
SetMenuItemInfoA
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExA
PtInRect
GetCursorPos
ScreenToClient
ClientToScreen
EndPaint
BeginPaint
ReleaseDC
GetWindowDC
GetDC
TabbedTextOutA
GrayStringA
DrawTextExA
DrawTextA
MonitorFromPoint
OpenClipboard
CloseClipboard
LoadIconW
GetSystemMenu
AppendMenuA
SendMessageA
IsIconic
RemoveMenu
InsertMenuA
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringA
GetLastActivePopup
GetWindowThreadProcessId
MessageBoxA
EnumDisplayMonitors
GetMonitorInfoA
SystemParametersInfoA
LoadCursorW
LoadCursorA
CopyRect
SetClipboardData
EmptyClipboard
DestroyIcon
LoadImageA
LoadImageW
TrackMouseEvent
IsZoomed
CharUpperA
GetAsyncKeyState
LoadMenuW
NotifyWinEvent
SetCursorPos
UnionRect
BringWindowToTop
SetRectEmpty
SetLayeredWindowAttributes
CreatePopupMenu
MapVirtualKeyA
LockWindowUpdate
EnableScrollBar
GetDoubleClickTime
GetIconInfo
CopyIcon
GetMenuDefaultItem
GetSystemMetrics
GetClientRect
DrawIcon
EnableWindow
UnregisterClassA
PostMessageA
PostQuitMessage
SetWindowPos
SetWindowContextHelpId
GetParent
GetWindow
MapDialogRect
RegisterWindowMessageA
DrawEdge
DrawFrameControl
IsWindowVisible
GetFocus
DrawStateA
SetWindowRgn
RedrawWindow
GetWindowRect
MapWindowPoints
GetSysColor
GetSysColorBrush
DrawFocusRect
FillRect
InflateRect
OffsetRect
IsRectEmpty
DrawIconEx
IsWindow
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetDlgItem
GetNextDlgTabItem
GetActiveWindow
IsWindowEnabled
SetActiveWindow
GetWindowLongA
GetDesktopWindow
DefWindowProcA
GetClassInfoA
SetMenuDefaultItem
ModifyMenuA
DestroyAcceleratorTable
SetClassLongPtrA
GetUpdateRect
GetKeyboardLayout
GetKeyboardState
ToAsciiEx
InvertRect
HideCaret
GetWindowRgn
DestroyCursor
CreateMenu
GetComboBoxInfo
TranslateMDISysAccel
DefMDIChildProcA
DefFrameProcA
DrawMenuBar
MapVirtualKeyExA
IsCharLowerA
PostThreadMessageA
IsClipboardFormatAvailable
FrameRect
CharUpperBuffA
SubtractRect
GetKeyNameTextA
RegisterClipboardFormatA
ReuseDDElParam
UnpackDDElParam
InsertMenuItemA
LoadMenuA
TranslateAcceleratorA
LoadAcceleratorsA
UpdateLayeredWindow
CreateAcceleratorTableA
LoadAcceleratorsW
LoadBitmapW

gdi32

CreateCompatibleDC
CreateDIBitmap
CreateFontIndirectA
CreatePen
CreatePatternBrush
DeleteObject
EnumFontFamiliesA
GetDeviceCaps
GetStockObject
GetTextCharsetInfo
GetObjectA
CopyMetaFileA
CreateDCA
CreateBitmap
Escape
ExcludeClipRect
GetClipBox
GetObjectType
GetPixel
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
CreateCompatibleBitmap
TextOutA
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetRgnBox
GetMapMode
SetRectRgn
DPtoLP
RealizePalette
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateRoundRectRgn
Rectangle
OffsetRgn
RoundRect
CreatePalette
GetPaletteEntries
GetNearestPaletteIndex
GetSystemPaletteEntries
EnumFontFamiliesExA
ExtFloodFill
SetPaletteEntries
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
GetViewportOrgEx
LPtoDP
GetWindowOrgEx
SetPixelV
GetTextFaceA
BitBlt
GetTextMetricsA
Polyline
Polygon
CreatePolygonRgn
ExtTextOutA
PatBlt
GetTextExtentPoint32A
GetTextColor
GetBkColor
Ellipse
CreateSolidBrush
CreateRectRgnIndirect
CreateRectRgn
CreateHatchBrush
CreateEllipticRgn
MoveToEx
DeleteDC
CombineRgn

msimg32

AlphaBlend
TransparentBlt

winspool.drv

DocumentPropertiesA
OpenPrinterA
ClosePrinter

advapi32

RegEnumKeyA
RegEnumKeyExA
RegEnumValueA
RegQueryValueA
RegCloseKey
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegCreateKeyExA
RegQueryValueExA
RegOpenKeyExA

shell32

SHGetMalloc
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHBrowseForFolderA
ShellExecuteA
DragFinish
DragQueryFileA
SHGetFileInfoA
SHAppBarMessage
SHGetDesktopFolder

comctl32

InitCommonControlsEx

shlwapi

PathIsUNCA
PathStripToRootA
PathRemoveFileSpecW
StrFormatKBSizeA
PathFindExtensionA
PathFindFileNameA

uxtheme

GetThemeSysColor
IsThemeBackgroundPartiallyTransparent
GetThemePartSize
GetWindowTheme
OpenThemeData
CloseThemeData
DrawThemeBackground
GetThemeColor
GetCurrentThemeName
DrawThemeParentBackground
IsAppThemed
DrawThemeText

ole32

StgCreateDocfileOnILockBytes
OleGetClipboard
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
OleLockRunning
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
CoInitializeEx
CoRevokeClassObject
CoRegisterMessageFilter
DoDragDrop
OleIsCurrentClipboard
OleFlushClipboard
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CoDisconnectObject
CreateStreamOnHGlobal
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
CoGetClassObject
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
CoInitialize
CoCreateInstance
CLSIDFromProgID
CLSIDFromString
CoCreateGuid
CoUninitialize

oleaut32

VariantChangeType
OleCreateFontIndirect
SysAllocString
SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
LoadTypeLi
VariantClear
VariantCopy
VarBstrFromDate
VariantInit
SysAllocStringByteLen
SysStringLen
SysFreeString
SysAllocStringLen

oledlg

ord8

gdiplus

GdipDrawImageRectI
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown

oleacc

AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject

imm32

ImmGetContext
ImmGetOpenStatus
ImmReleaseContext

winmm

PlaySoundA

Sections

.text
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 637KB - Virtual size: 637KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 30KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 89KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 106KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.giats
Size: 512B - Virtual size: 16B

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

.detourc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.detourd
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data0
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8299ba1fc9fcf4ecf6b0c9401462a801

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

oleacc

imm32

winmm

Sections

.text Size: 1.9MB - Virtual size: 1.9MB

.rdata Size: 637KB - Virtual size: 637KB

.data Size: 30KB - Virtual size: 74KB

.pdata Size: 89KB - Virtual size: 89KB

.gfids Size: 106KB - Virtual size: 106KB

.giats Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 9B

.detourc Size: 8KB - Virtual size: 8KB

.detourd Size: 512B - Virtual size: 24B

.data0 Size: 1.2MB - Virtual size: 1.2MB

.reloc Size: 61KB - Virtual size: 61KB

.rsrc Size: 1.6MB - Virtual size: 1.6MB

.text
Size: 1.9MB - Virtual size: 1.9MB

.rdata
Size: 637KB - Virtual size: 637KB

.data
Size: 30KB - Virtual size: 74KB

.pdata
Size: 89KB - Virtual size: 89KB

.gfids
Size: 106KB - Virtual size: 106KB

.giats
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 9B

.detourc
Size: 8KB - Virtual size: 8KB

.detourd
Size: 512B - Virtual size: 24B

.data0
Size: 1.2MB - Virtual size: 1.2MB

.reloc
Size: 61KB - Virtual size: 61KB

.rsrc
Size: 1.6MB - Virtual size: 1.6MB