Static task
static1
Behavioral task
behavioral1
Sample
2024-06-25_eb5548849f1df7a7a8cd7a1d6fe0c95f_ryuk.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-25_eb5548849f1df7a7a8cd7a1d6fe0c95f_ryuk.exe
Resource
win10v2004-20240611-en
General
-
Target
2024-06-25_eb5548849f1df7a7a8cd7a1d6fe0c95f_ryuk
-
Size
4.1MB
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MD5
eb5548849f1df7a7a8cd7a1d6fe0c95f
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SHA1
d72109e5fd6c533577e84cf70157e6cbaf12fbe9
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SHA256
6b26f329a76198beb16625956fd46798cbcc848f93d7ec742a4877afdf4a95d4
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SHA512
17ba365de32943d432579f04a139c5678957cec61beb770896b3e340ea80c1b3329d904d4acfaa58941b11963062a799e1908ca8bf74243eb9750f22f8190f0b
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SSDEEP
49152:QHsimGQlHCLnoQ/vY6nxTta1hiHy16p2yKgWwmmAeTkHkLtd42M1FmHNYiFVVHW0:QHpmnmy0p2eA2M1FmHNbV5gcbT
Malware Config
Signatures
Files
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2024-06-25_eb5548849f1df7a7a8cd7a1d6fe0c95f_ryuk.exe windows:6 windows x64 arch:x64
4b8388b394dd26f7be16135f5cc0b887
Code Sign
3f:e3:48:5e:2d:7a:e7:b1:49:8a:29:4f:84:73:54:4bCertificate
IssuerCN=thunderdepressionsinc,1.2.840.113549.1.9.1=#0c1e696e666f407468756e64657264657072657373696f6e73696e632e636f6dNot Before12/01/2022, 00:00Not After12/01/2023, 23:59SubjectCN=thunderdepressionsinc,1.2.840.113549.1.9.1=#0c1e696e666f407468756e64657264657072657373696f6e73696e632e636f6d01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0Certificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before09/06/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before29/03/2022, 00:00Not After14/03/2033, 23:59SubjectCN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
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
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
WriteConsoleW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
IsValidCodePage
FindNextFileA
FindFirstFileExA
GetTimeZoneInformation
EnumSystemLocalesW
IsValidLocale
RtlLookupFunctionEntry
SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetStdHandle
ExitProcess
GetFileType
SetStdHandle
QueryPerformanceFrequency
GetCommandLineW
GetCommandLineA
HeapQueryInformation
FreeLibraryAndExitThread
ExitThread
CreateThread
VirtualQuery
VirtualAlloc
GetSystemInfo
RtlUnwindEx
RtlPcToFileHeader
GetStringTypeW
LCMapStringW
OutputDebugStringW
RtlCaptureContext
CreateEventW
ResetEvent
WaitForSingleObjectEx
Sleep
SearchPathA
GetProfileIntA
GetTickCount
GetTempPathA
VerifyVersionInfoA
VerSetConditionMask
GetWindowsDirectoryA
FindResourceExW
lstrcpyA
GetACP
GetCurrentDirectoryA
GetCPInfo
GetOEMCP
GetLocaleInfoW
CompareStringW
GetVersionExA
GlobalFlags
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
ResumeThread
SetThreadPriority
WaitForSingleObject
SetEvent
lstrcmpA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
LocalFileTimeToFileTime
GetFileSizeEx
GetFileAttributesExA
FileTimeToLocalFileTime
GetVolumeInformationA
MoveFileA
lstrcmpiA
GetModuleFileNameA
GetCurrentProcess
DuplicateHandle
CloseHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetFileSize
FlushFileBuffers
FindFirstFileA
FindClose
DeleteFileA
CompareStringA
GlobalFindAtomA
FindResourceA
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
GetModuleHandleW
FreeResource
FreeLibrary
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
GlobalGetAtomNameA
LoadLibraryW
GetModuleHandleExW
GetModuleFileNameW
GetCurrentProcessId
OutputDebugStringA
CopyFileA
FormatMessageA
MulDiv
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
GetUserDefaultLCID
SystemTimeToFileTime
ReplaceFileA
GetTempFileNameA
SetFileTime
GetFileTime
GetFileAttributesA
GetDiskFreeSpaceA
MultiByteToWideChar
GetProcessHeap
DeleteCriticalSection
GetProcAddress
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
GetLastError
HeapSize
GetModuleHandleA
InitializeCriticalSectionEx
HeapFree
GetNativeSystemInfo
LoadLibraryA
VirtualFree
IsBadReadPtr
VirtualProtect
SetLastError
FindResourceW
LoadResource
LockResource
SizeofResource
LocalCompact
GetComputerNameExW
InitializeCriticalSectionAndSpinCount
FindNextStreamW
GlobalAddAtomA
CreateWaitableTimerW
WideCharToMultiByte
VerifyVersionInfoW
GetUserDefaultUILanguage
CreateThreadpoolIo
SetThreadPreferredUILanguages
GetNumaProcessorNode
CreateFileTransactedW
SetProcessPriorityBoost
GetFullPathNameA
CreateFileA
SetCommMask
GetFinalPathNameByHandleW
CheckNameLegalDOS8Dot3W
ScrollConsoleScreenBufferW
GetCurrentProcessorNumber
CancelWaitableTimer
QueryActCtxSettingsW
GetConsoleOriginalTitleA
CancelSynchronousIo
CreateFileW
user32
CopyImage
SetParent
DeleteMenu
GetSystemMenu
IsRectEmpty
UnionRect
ShowOwnedPopups
PostQuitMessage
SystemParametersInfoA
GetMenuItemInfoA
MapVirtualKeyA
GetKeyNameTextA
InflateRect
RealChildWindowFromPoint
LoadCursorA
GetSysColorBrush
GetCursorPos
TranslateMessage
GetMessageA
LoadMenuW
LoadAcceleratorsW
FillRect
ClientToScreen
GetWindowDC
TabbedTextOutA
GrayStringA
DrawTextExA
DrawTextA
GetSystemMetrics
CharUpperA
IsDialogMessageA
SetWindowTextA
SendDlgItemMessageA
CheckDlgButton
MoveWindow
GetMonitorInfoA
MonitorFromWindow
GetScrollInfo
SetScrollInfo
LoadIconA
CallNextHookEx
SetWindowsHookExA
GetTopWindow
GetClassLongPtrA
GetClassLongA
SetWindowLongPtrA
GetWindowLongPtrA
PtInRect
MapWindowPoints
ScreenToClient
MessageBoxA
GetWindowRect
GetClientRect
GetWindowTextLengthA
GetWindowTextA
RemovePropA
GetPropA
SetPropA
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
EndPaint
BeginPaint
SetForegroundWindow
GetForegroundWindow
TrackPopupMenu
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
CreateDialogIndirectParamA
CreateWindowExA
GetClassInfoExA
RegisterClassA
CallWindowProcA
DefWindowProcA
GetMessageTime
GetMessagePos
DispatchMessageA
RegisterWindowMessageA
ReuseDDElParam
UnpackDDElParam
WinHelpA
LoadImageA
DestroyIcon
LoadIconW
EndDialog
GetNextDlgTabItem
GetAsyncKeyState
EnableWindow
IsWindow
IsChild
DestroyWindow
GetWindow
GetLastActivePopup
GetWindowThreadProcessId
GetClassNameA
GetDesktopWindow
SetWindowLongA
GetWindowLongA
EqualRect
OffsetRect
IntersectRect
GetSysColor
SetCursor
SetActiveWindow
InsertMenuItemA
DestroyMenu
CreatePopupMenu
SetMenu
GetMenu
LoadMenuA
TranslateAcceleratorA
LoadAcceleratorsA
MapDialogRect
SetTimer
KillTimer
WindowFromPoint
SetRect
SetCapture
LockWindowUpdate
TrackMouseEvent
LoadImageW
GetNextDlgGroupItem
DrawFocusRect
DrawIconEx
GetIconInfo
MessageBeep
EnableScrollBar
HideCaret
InvertRect
LoadCursorW
MonitorFromPoint
NotifyWinEvent
GetMenuDefaultItem
SetLayeredWindowAttributes
EnumDisplayMonitors
SetClassLongPtrA
SetWindowRgn
OpenClipboard
IsWindowVisible
GetFocus
GetDC
ReleaseDC
SetRectEmpty
CopyRect
SendMessageA
IsIconic
GetDlgCtrlID
UpdateWindow
InvalidateRect
AdjustWindowRectEx
GetParent
UnhookWindowsHookEx
GetMenuStringA
GetMenuState
GetSubMenu
GetMenuItemID
GetMenuItemCount
InsertMenuA
AppendMenuA
RemoveMenu
CheckMenuItem
EnableMenuItem
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
SetMenuItemInfoA
LoadBitmapW
PeekMessageA
PostMessageA
GetClassInfoA
ShowWindow
SetWindowPos
BringWindowToTop
GetDlgItem
SetFocus
GetActiveWindow
GetKeyState
GetCapture
ReleaseCapture
IsWindowEnabled
CloseClipboard
SetClipboardData
EmptyClipboard
DrawStateA
DrawEdge
DrawFrameControl
IsZoomed
SetCursorPos
CopyIcon
FrameRect
DrawIcon
UpdateLayeredWindow
DestroyCursor
GetWindowRgn
CreateMenu
SubtractRect
TranslateMDISysAccel
DefMDIChildProcA
DefFrameProcA
DrawMenuBar
GetUpdateRect
IsClipboardFormatAvailable
CharUpperBuffA
RegisterClipboardFormatA
ModifyMenuA
GetDoubleClickTime
SetMenuDefaultItem
CopyAcceleratorTableA
DestroyAcceleratorTable
CreateAcceleratorTableA
ToAsciiEx
GetKeyboardState
MapVirtualKeyExA
IsCharLowerA
GetKeyboardLayout
WaitMessage
PostThreadMessageA
GetComboBoxInfo
IsMenu
gdi32
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
CombineRgn
CreateRectRgnIndirect
PatBlt
SetRectRgn
GetClipBox
GetTextExtentPoint32A
GetBkColor
GetTextMetricsA
EnumFontFamiliesExA
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
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
ExcludeClipRect
Escape
DeleteObject
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
BitBlt
GetObjectA
SetTextColor
SetBkColor
CreateBitmap
GetDeviceCaps
CreateDCA
CopyMetaFileA
CreateFontIndirectA
DPtoLP
CreateCompatibleBitmap
CreateCompatibleDC
msimg32
AlphaBlend
TransparentBlt
winspool.drv
DocumentPropertiesA
OpenPrinterA
ClosePrinter
advapi32
RegEnumKeyExA
RegSetValueExA
RegDeleteValueA
RegCreateKeyExA
RegDeleteKeyA
RegQueryValueExA
RegOpenKeyExA
RegCloseKey
GetFileSecurityA
SetFileSecurityA
RegUnLoadKeyA
RegDeleteKeyValueW
PrivilegedServiceAuditAlarmA
GetCurrentHwProfileA
CredGetTargetInfoA
shell32
SHGetDataFromIDListA
ExtractAssociatedIconW
DragQueryFileW
SHPathPrepareForWriteW
SHAppBarMessage
SHBrowseForFolderA
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListA
ShellExecuteA
SHGetFileInfoA
DragFinish
DragQueryFileA
SHGetTemporaryPropertyForItem
SHIsFileAvailableOffline
shlwapi
PathFindFileNameA
PathFindExtensionA
StrFormatKBSizeA
PathRemoveFileSpecW
PathStripToRootA
PathIsUNCA
uxtheme
GetThemeSysColor
GetWindowTheme
GetCurrentThemeName
GetThemeColor
DrawThemeBackground
IsThemeBackgroundPartiallyTransparent
DrawThemeParentBackground
DrawThemeText
OpenThemeData
CloseThemeData
GetThemePartSize
IsAppThemed
ole32
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleLockRunning
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
OleGetClipboard
DoDragDrop
CoInitializeEx
CoInitialize
CoUninitialize
CoCreateInstance
CreateStreamOnHGlobal
CoDisconnectObject
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
oleaut32
LoadTypeLi
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
VariantChangeType
VariantCopy
VarBstrFromDate
SysAllocString
VariantClear
VariantInit
SysAllocStringByteLen
SysAllocStringLen
SysFreeString
oleacc
AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject
gdiplus
GdipDrawImageRectI
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
imm32
ImmGetContext
ImmGetOpenStatus
ImmReleaseContext
winmm
PlaySoundA
Sections
.text Size: 2.5MB - Virtual size: 2.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 752KB - Virtual size: 752KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 603KB - Virtual size: 648KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 103KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 104KB - 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
.rsrc Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 59KB - Virtual size: 58KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ