2024-04-19_c95883e96ca266af964df77995efd1bd_ryuk

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General

Target

2024-04-19_c95883e96ca266af964df77995efd1bd_ryuk
Size

16.8MB
MD5

c95883e96ca266af964df77995efd1bd
SHA1

ffd4ed686ed57b6ba329f122515c9d9c1c6712b7
SHA256

be5ad0aff394d922010d1c13fcf19d3eb7158cbbf505919ce814799fae20e21c
SHA512

2b16ec78e7c4d81269d25659b667ecb3a723c5e38e56f7da97127d5ade4d9e2039dd15c43b54f02e59656e324a4127953d374051f145e1707d85dfa74768d2db
SSDEEP

196608:gfrTnFOusZZ/UVywNMrxoPMcUihUP/slZ4Iw/6Wn3EdlJMwxXKiG5+mgCOe8YbnL:81ew0uPR9hUsDRXKiU+mgAfUkml7LZEv

Score

1^/10

Malware Config

Signatures

Files

2024-04-19_c95883e96ca266af964df77995efd1bd_ryuk
.exe windows:5 windows x64 arch:x64

a8da38fc6dc8ccbe885b1b9c74f16f80

Code Sign

76:cb:5d:1e:6c:2b:68:95:42:81:15:70:5d:9a:c7:65
Certificate

Issuer

CN=Tableau Software Inc.

Not Before

27/05/2023, 18:15

Not After

31/12/2039, 23:59

Subject

CN=Tableau Software Inc.

09:ce:39:ab:fc:74:ea:da:7f:0a:6c:84:b8:d6:62:17:89:e6:1b:3d
Signer

Actual PE Digest

09:ce:39:ab:fc:74:ea:da:7f:0a:6c:84:b8:d6:62:17:89:e6:1b:3d

Digest Algorithm

sha1

PE Digest Matches

true

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

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

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

DocumentPropertiesA
OpenPrinterA
ClosePrinter

advapi32

SystemFunction036
RegEnumKeyExA
RegEnumValueA
RegQueryValueA
RegEnumKeyA
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegCreateKeyExA
RegQueryValueExA
RegOpenKeyExA
RegCloseKey

shell32

SHGetFileInfoA
SHGetPathFromIDListA
SHAppBarMessage
SHBrowseForFolderA
ShellExecuteA
DragFinish
DragQueryFileA
SHGetDesktopFolder
SHGetSpecialFolderLocation

shlwapi

PathIsUNCA
PathStripToRootA
PathRemoveFileSpecW
StrFormatKBSizeA
PathFindFileNameA
PathFindExtensionA

uxtheme

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

ole32

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

oleaut32

OleCreateFontIndirect
SysAllocString
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
LoadTypeLi
VariantChangeType
VariantCopy
VarBstrFromDate
VariantClear
VariantInit
SysAllocStringByteLen
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: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 638KB - Virtual size: 637KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 30KB - Virtual size: 73KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 87KB - Virtual size: 87KB

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: 372KB - Virtual size: 371KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a8da38fc6dc8ccbe885b1b9c74f16f80

Code Sign

76:cb:5d:1e:6c:2b:68:95:42:81:15:70:5d:9a:c7:65Certificate

09:ce:39:ab:fc:74:ea:da:7f:0a:6c:84:b8:d6:62:17:89:e6:1b:3dSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

oleacc

imm32

winmm

Sections

.text Size: 1.7MB - Virtual size: 1.7MB

.rdata Size: 638KB - Virtual size: 637KB

.data Size: 30KB - Virtual size: 73KB

.pdata Size: 87KB - Virtual size: 87KB

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

.rsrc Size: 372KB - Virtual size: 371KB

.reloc Size: 60KB - Virtual size: 59KB

76:cb:5d:1e:6c:2b:68:95:42:81:15:70:5d:9a:c7:65
Certificate

09:ce:39:ab:fc:74:ea:da:7f:0a:6c:84:b8:d6:62:17:89:e6:1b:3d
Signer

.text
Size: 1.7MB - Virtual size: 1.7MB

.rdata
Size: 638KB - Virtual size: 637KB

.data
Size: 30KB - Virtual size: 73KB

.pdata
Size: 87KB - Virtual size: 87KB

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

.rsrc
Size: 372KB - Virtual size: 371KB

.reloc
Size: 60KB - Virtual size: 59KB