2024-05-17_c2fcda9cc4b66154ef25f62b844520da_ryuk

Sharing

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General

Target

2024-05-17_c2fcda9cc4b66154ef25f62b844520da_ryuk
Size

4.7MB
MD5

c2fcda9cc4b66154ef25f62b844520da
SHA1

fa3d1329263dee3c1ee56d43cb9d50a2665d05f5
SHA256

a32e492762d4a522e3e54fea9cfc7bd43de38dd8586cf4a985aa491672d5b27a
SHA512

7038adf778c2f223d6d8cae8c0ea25d51b9b72d1e53bd02feb8363027fd60352ca7c8d6e2961cdc2c418f0dd16f5e99b1e9f3e66670905f8de9670c7f66bd9d5
SSDEEP

98304:U37PyqQDRkV/ch0cBaiE21el72BYEmenLskYmJVk5pyXf0f:UaDWOOcPZcV2Eenamoy

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-17_c2fcda9cc4b66154ef25f62b844520da_ryuk

Files

2024-05-17_c2fcda9cc4b66154ef25f62b844520da_ryuk
.exe windows:5 windows x64 arch:x64

e15720a9fa1a30f416ede97f85458e64

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

msimg32

TransparentBlt
AlphaBlend
GradientFill

kernel32

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

user32

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

gdi32

CreateSolidBrush
DeleteObject
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
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateRectRgnIndirect
CreateRectRgn
CombineRgn
GetMapMode
SetRectRgn
DPtoLP
GetTextColor
GetRgnBox
GetTextMetricsA
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateDIBitmap
EnumFontFamiliesA
GetTextCharsetInfo
SetPixel
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
CreatePolygonRgn
Polygon
Polyline
CreateRoundRectRgn
LPtoDP
EnumFontFamiliesExA
Rectangle
OffsetRgn
RoundRect
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
ExtFloodFill
SetPaletteEntries
SetPixelV
GetWindowOrgEx
GetViewportOrgEx
GetTextFaceA
CreatePatternBrush
CreatePen
CreateHatchBrush
SetTextColor
SetBkColor
ExtTextOutA
CreateFontIndirectA
DeleteDC
GetDeviceCaps
CreateDCA
CopyMetaFileA
CreateBitmap
GetTextExtentPoint32A
GetBkColor
StretchBlt
CreateCompatibleBitmap
CreateCompatibleDC
PatBlt
CreateFontA
BitBlt
GetObjectA

winspool.drv

DocumentPropertiesA
OpenPrinterA
ClosePrinter

advapi32

RegOpenKeyExA
RegQueryValueExA
RegEnumKeyExA
RegEnumValueA
RegCloseKey
RegQueryValueA
RegEnumKeyA
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegCreateKeyExA

shell32

SHBrowseForFolderA
SHGetFileInfoA
DragQueryFileA
DragFinish
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHAppBarMessage
ShellExecuteA
SHGetDesktopFolder

comctl32

ImageList_Draw
ImageList_GetImageCount
ImageList_AddMasked

shlwapi

PathFindFileNameA
PathStripToRootA
StrFormatKBSizeA
PathRemoveFileSpecW
PathFindExtensionA
PathIsUNCA

uxtheme

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

ole32

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

oleaut32

VariantInit
VariantClear
VariantChangeType
OleCreateFontIndirect
SysAllocString
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
LoadTypeLi
SysAllocStringByteLen
VariantCopy
VarBstrFromDate
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
GdiplusShutdown
GdipAlloc

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: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 90KB - Virtual size: 89KB

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: 89KB - Virtual size: 89KB

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

e15720a9fa1a30f416ede97f85458e64

Headers

DLL Characteristics

File Characteristics

Imports

msimg32

kernel32

user32

gdi32

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: 1.9MB - Virtual size: 1.9MB

.pdata Size: 90KB - Virtual size: 89KB

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

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

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

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

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

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

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

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

.pdata
Size: 90KB - Virtual size: 89KB

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

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

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

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

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