2024-08-26_b054312559434335a1021cd66598b64f_ryuk

Sharing

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General

Target

2024-08-26_b054312559434335a1021cd66598b64f_ryuk
Size

6.2MB
MD5

b054312559434335a1021cd66598b64f
SHA1

a067d0dbe27259a7c23413ce3fc808519f2742ae
SHA256

80ae699749db7bca1037880a9640b20ea3c7a20c8548f9564042091e056c5fbb
SHA512

6c5b63ff0fa6ae87a51379355cd3f9d55a69fd77f05cf0a03778d722a932d519dec7858bcd1df92cd518c06240b7a6d2b9cfae935359b0c97e7ad9cb026549f6
SSDEEP

98304:uahk6oM3crYlXuZ4dw0TS/+iXLuMv3gS9xjOzE8q1UooQ51obC/LHhw:VhfMcuyd16uMGq1UooQ56bC/bhw

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-26_b054312559434335a1021cd66598b64f_ryuk

Files

2024-08-26_b054312559434335a1021cd66598b64f_ryuk
.exe windows:6 windows x64 arch:x64

60bd1fffe7cff1bf35f8ba40e441f5f7

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

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

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

DocumentPropertiesA
OpenPrinterA
ClosePrinter

advapi32

RegQueryValueExA
RegSetValueExA
RegEnumKeyExA
RegDeleteValueA
RegOpenKeyExA
RegDeleteKeyA
RegCreateKeyExA
RegCloseKey

shell32

SHGetSpecialFolderPathA
ShellExecuteA
SHGetFileInfoA
SHAppBarMessage
SHBrowseForFolderA
DragFinish
DragQueryFileA
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListA

shlwapi

PathIsUNCA
PathStripToRootA
PathFindExtensionA
StrFormatKBSizeA
PathRemoveFileSpecW
PathFindFileNameA

uxtheme

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

ole32

CoInitializeEx
OleLockRunning
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
DoDragDrop
CreateStreamOnHGlobal
CoInitialize
CoUninitialize
CoCreateInstance
CoDisconnectObject
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc

oleaut32

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

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: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Code
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 593KB - Virtual size: 593KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3.5MB - Virtual size: 3.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 82KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 103KB - Virtual size: 103KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 67KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

60bd1fffe7cff1bf35f8ba40e441f5f7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

gdiplus

oleacc

imm32

winmm

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

Code Size: 2KB - Virtual size: 1KB

.rdata Size: 593KB - Virtual size: 593KB

.data Size: 3.5MB - Virtual size: 3.6MB

.pdata Size: 82KB - Virtual size: 82KB

.gfids Size: 103KB - Virtual size: 103KB

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

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

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

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

.rsrc Size: 67KB - Virtual size: 67KB

.reloc Size: 57KB - Virtual size: 56KB

.text
Size: 1.8MB - Virtual size: 1.8MB

Code
Size: 2KB - Virtual size: 1KB

.rdata
Size: 593KB - Virtual size: 593KB

.data
Size: 3.5MB - Virtual size: 3.6MB

.pdata
Size: 82KB - Virtual size: 82KB

.gfids
Size: 103KB - Virtual size: 103KB

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

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

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

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

.rsrc
Size: 67KB - Virtual size: 67KB

.reloc
Size: 57KB - Virtual size: 56KB