2024-01-06_2f8b3401c066c586f231f2518b43c3be_ryuk

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General

Target

2024-01-06_2f8b3401c066c586f231f2518b43c3be_ryuk
Size

4.2MB
MD5

2f8b3401c066c586f231f2518b43c3be
SHA1

fa1e1ab77eddf2a71acdbbd4248e9852f0d8bdae
SHA256

bce09bd533cb289e5b7786c1bda29e7f25bd929383f981ea8fa22e40c22aa2c7
SHA512

a88e2a961dcbdd9fd9f231b3c80151598c7d6591e15c5b6ed20b65932408e5d9cbcf538252837a7eb19c2eda660eaaaf60f726983aab6c85533bff14856eace2
SSDEEP

98304:WRdGhf9hHggpFHjjh9FLOAkGkzdnEVomFHKnP:IG5MCjPFLOyomFHKnP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-06_2f8b3401c066c586f231f2518b43c3be_ryuk

Files

2024-01-06_2f8b3401c066c586f231f2518b43c3be_ryuk
.exe windows:6 windows x64 arch:x64

2be0b8ace06df7204e6ab508c5299eb9

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

SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetTimeZoneInformation
GetStringTypeW
LCMapStringW
GetACP
ExitProcess
GetStdHandle
IsValidCodePage
VirtualQuery
VirtualAlloc
GetSystemInfo
QueryPerformanceFrequency
HeapQueryInformation
FreeLibraryAndExitThread
ExitThread
CreateThread
GetCommandLineW
GetCommandLineA
RtlUnwindEx
RtlPcToFileHeader
OutputDebugStringW
FindFirstFileExW
GetFileType
FindNextFileW
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WaitForSingleObjectEx
ResetEvent
GetTempPathW
GetTempFileNameW
Sleep
GetProfileIntW
SearchPathW
GetWindowsDirectoryW
GetTickCount
SystemTimeToTzSpecificLocalTime
GetFileTime
GetFileSizeEx
GetFileAttributesExW
GetFileAttributesW
FileTimeToLocalFileTime
SetErrorMode
VirtualProtect
VerifyVersionInfoW
VerSetConditionMask
lstrcmpiW
GetCurrentProcess
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
CreateFileW
lstrcpyW
FileTimeToSystemTime
GlobalGetAtomNameW
GetThreadLocale
DeleteFileW
GlobalFlags
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
CompareStringW
GetCurrentDirectoryW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
GlobalFindAtomW
GetSystemDirectoryW
EncodePointer
GlobalAddAtomW
ResumeThread
SetThreadPriority
CreateEventW
SetEvent
InitializeCriticalSectionAndSpinCount
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalSize
GetCurrentProcessId
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
LoadLibraryW
GlobalUnlock
GetModuleHandleExW
SetLastError
OutputDebugStringA
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
GetProcAddress
GetModuleHandleW
GlobalFree
FreeResource
WideCharToMultiByte
lstrcmpW
lstrcmpA
GlobalDeleteAtom
GlobalLock
GlobalAlloc
LoadLibraryExW
FreeLibrary
GetVersionExW
GetCurrentThreadId
GetCurrentThread
GetProcessHeap
DeleteCriticalSection
HeapDestroy
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
HeapSize
InitializeCriticalSectionEx
LeaveCriticalSection
EnterCriticalSection
HeapFree
FindResourceExW
GetLocaleInfoW
GetLastError
CloseHandle
GetExitCodeProcess
WaitForSingleObject
SizeofResource
MultiByteToWideChar
GetModuleFileNameW
FindResourceW
LoadResource
LockResource
SetStdHandle
WriteConsoleW

user32

IsZoomed
TrackMouseEvent
GetSysColorBrush
LoadMenuW
InflateRect
SetRectEmpty
SendDlgItemMessageA
MessageBeep
GetNextDlgGroupItem
IsRectEmpty
IntersectRect
SetRect
InvalidateRgn
CopyAcceleratorTableW
OffsetRect
CharNextW
KillTimer
SetTimer
RealChildWindowFromPoint
DeleteMenu
SystemParametersInfoW
CopyImage
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
IsDialogMessageW
SetWindowTextW
CheckDlgButton
SetDlgItemTextW
MoveWindow
ShowWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
GetTopWindow
GetClassLongPtrW
SetWindowLongPtrW
GetWindowLongPtrW
SetWindowLongW
EqualRect
MapWindowPoints
AdjustWindowRectEx
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
SetForegroundWindow
GetForegroundWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
SetFocus
GetDlgCtrlID
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
IsMenu
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
GetMessageTime
GetMessagePos
RegisterWindowMessageW
GetClassNameW
InvalidateRect
UpdateWindow
DrawStateW
ShowOwnedPopups
ValidateRect
GetKeyState
IsWindowVisible
PeekMessageW
DispatchMessageW
TranslateMessage
GetMessageW
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
CharUpperW
GetAsyncKeyState
GetSystemMenu
EnableWindow
LoadIconW
SendMessageW
LoadCursorW
IsIconic
EnableMenuItem
CheckMenuItem
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
PtInRect
GetCursorPos
GetWindowRect
GetFocus
FillRect
GetSysColor
ScreenToClient
ClientToScreen
EndPaint
BeginPaint
GetWindowDC
SetWindowRgn
NotifyWinEvent
CreatePopupMenu
GetMenuItemInfoW
GetMenuDefaultItem
SetMenuDefaultItem
UpdateLayeredWindow
DestroyMenu
EnableScrollBar
UnionRect
MonitorFromPoint
DestroyIcon
SetLayeredWindowAttributes
EnumDisplayMonitors
BringWindowToTop
LoadAcceleratorsW
TranslateAcceleratorW
InsertMenuItemW
LoadImageW
UnpackDDElParam
ReuseDDElParam
GetSystemMetrics
GetClientRect
DrawIcon
SetCursor
UnregisterClassW
PostMessageW
PostQuitMessage
SetWindowPos
SetWindowContextHelpId
GetParent
GetWindow
MapDialogRect
IsWindow
DestroyWindow
CreateDialogIndirectParamW
EndDialog
GetDlgItem
GetNextDlgTabItem
GetActiveWindow
IsWindowEnabled
SetActiveWindow
GetWindowLongW
GetDesktopWindow
GetKeyNameTextW
MapVirtualKeyW
GetDC
ReleaseDC
CopyRect
MessageBoxW
GetWindowThreadProcessId
GetLastActivePopup
GetMenuStringW
SetParent
GetMenuState
GetSubMenu
GetMenuItemID
GetMenuItemCount
InsertMenuW
AppendMenuW
RemoveMenu
DrawTextW
DrawTextExW
GrayStringW
TabbedTextOutW
CharUpperBuffW
LockWindowUpdate
ModifyMenuW
ToUnicodeEx
GetKeyboardLayout
GetKeyboardState
CreateAcceleratorTableW
DestroyAcceleratorTable
SetCursorPos
CopyIcon
FrameRect
PostThreadMessageW
GetIconInfo
HideCaret
InvertRect
IsClipboardFormatAvailable
GetDoubleClickTime
DestroyCursor
DrawMenuBar
DefFrameProcW
DefMDIChildProcW
TranslateMDISysAccel
IsCharLowerW
MapVirtualKeyExW
GetComboBoxInfo
GetUpdateRect
CreateMenu
SubtractRect
GetWindowRgn
SetClassLongPtrW
DrawFocusRect
DrawFrameControl
DrawEdge
DrawIconEx
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
RegisterClipboardFormatW

gdi32

ExcludeClipRect
GetClipBox
GetObjectType
GetPixel
GetStockObject
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
GetObjectW
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetBkColor
Escape
GetRgnBox
CreateFontIndirectW
GetTextExtentPoint32W
GetTextMetricsW
CombineRgn
GetMapMode
SetRectRgn
DPtoLP
CreateRoundRectRgn
CreateCompatibleBitmap
CreateDIBSection
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
RealizePalette
SetPixel
StretchBlt
SetDIBColorTable
OffsetRgn
CreateEllipticRgn
Ellipse
CreatePolygonRgn
Polygon
Polyline
Rectangle
EnumFontFamiliesExW
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
LPtoDP
ExtFloodFill
SetPaletteEntries
RoundRect
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
GetViewportOrgEx
GetWindowOrgEx
SetPixelV
GetTextFaceW
DeleteObject
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
CreateCompatibleDC
CreateBitmap
GetDeviceCaps
CreateDCW
CopyMetaFileW
PatBlt
CreateRectRgnIndirect
GetTextColor
BitBlt
DeleteDC

msimg32

TransparentBlt
AlphaBlend

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegDeleteValueW
RegDeleteKeyW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegSetValueExW
RegCreateKeyExW
RegGetValueW

shell32

ShellExecuteExW
SHGetFileInfoW
DragQueryFileW
SHBrowseForFolderW
SHAppBarMessage
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListW
ShellExecuteW
DragFinish

shlwapi

PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathRemoveFileSpecW
StrFormatKBSizeW
PathFindExtensionW

uxtheme

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

ole32

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

oleaut32

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

oledlg

OleUIBusyW

gdiplus

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

oleacc

LresultFromObject
AccessibleObjectFromWindow
CreateStdAccessibleObject

winmm

PlaySoundW

imm32

ImmGetContext
ImmGetOpenStatus
ImmReleaseContext

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 648KB - Virtual size: 647KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 30KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 88KB - Virtual size: 87KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 106KB - Virtual size: 105KB

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

.rsrc
Size: 1.4MB - Virtual size: 1.4MB

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

2be0b8ace06df7204e6ab508c5299eb9

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

oleacc

winmm

imm32

Sections

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

.rdata Size: 648KB - Virtual size: 647KB

.data Size: 30KB - Virtual size: 75KB

.pdata Size: 88KB - Virtual size: 87KB

.gfids Size: 106KB - Virtual size: 105KB

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

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

.rsrc Size: 1.4MB - Virtual size: 1.4MB

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

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

.rdata
Size: 648KB - Virtual size: 647KB

.data
Size: 30KB - Virtual size: 75KB

.pdata
Size: 88KB - Virtual size: 87KB

.gfids
Size: 106KB - Virtual size: 105KB

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

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

.rsrc
Size: 1.4MB - Virtual size: 1.4MB

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