2024-04-08_7b356548383416d2f8e547097ea0c63f_ryuk

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General

Target

2024-04-08_7b356548383416d2f8e547097ea0c63f_ryuk
Size

8.1MB
MD5

7b356548383416d2f8e547097ea0c63f
SHA1

88a4e119020b8b5b30c2541af56065467778af79
SHA256

922211fc4874e9b405eedd2ae19d285cd45d2cc9fc4fd0a7ee9322f3cf85051d
SHA512

f77d49539f68d13fc5105ac9b290863ba7f4271e2ad10f9608504a10b3802e682c045403c9d01120b99727d7e2db6aa86c9dfe3b6457530c6397aff44854166a
SSDEEP

98304:nI/sLi7c/iO3c5OFiNh9/PL/Pi/PRPtMtDVQjiEFLOAkGkzdnEVomFHKnP:nI/sLh/ri/9HLHiHFxFLOyomFHKnP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-08_7b356548383416d2f8e547097ea0c63f_ryuk

Files

2024-04-08_7b356548383416d2f8e547097ea0c63f_ryuk
.exe windows:6 windows x64 arch:x64

f9871c1a560ac5535fdeaff06989fff8

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

PDB Paths

C:\proj\RS300test\x64\Release\RS300test.pdb

Imports

kernel32

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

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

DocumentPropertiesW
OpenPrinterW
ClosePrinter

advapi32

RegQueryValueW
RegCreateKeyExW
SystemFunction036
RegEnumKeyExW
RegEnumValueW
RegCloseKey
RegEnumKeyW
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegDeleteValueW
RegDeleteKeyW

shell32

SHGetDesktopFolder
SHGetFileInfoW
DragQueryFileW
DragFinish
SHAppBarMessage
SHGetMalloc
ShellExecuteW
SHBrowseForFolderW
SHGetSpecialFolderLocation
SHGetPathFromIDListW

comctl32

ImageList_Create
InitCommonControlsEx
ImageList_AddMasked

shlwapi

PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathRemoveFileSpecW
PathFindExtensionW
StrFormatKBSizeW

uxtheme

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

ole32

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

oleaut32

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

gdiplus

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

ws2_32

WSAAsyncSelect
WSASetLastError
WSACleanup
WSAStartup
gethostbyname
socket
sendto
send
select
recvfrom
recv
inet_addr
htons
htonl
connect
closesocket
bind
accept
shutdown
WSAGetLastError

oleacc

AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject

imm32

ImmGetContext
ImmGetOpenStatus
ImmReleaseContext

winmm

PlaySoundW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 692KB - Virtual size: 691KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 29KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 240B

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: 5.5MB - Virtual size: 5.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f9871c1a560ac5535fdeaff06989fff8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

gdiplus

ws2_32

oleacc

imm32

winmm

Sections

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

.rdata Size: 692KB - Virtual size: 691KB

.data Size: 29KB - Virtual size: 75KB

.pdata Size: 89KB - Virtual size: 88KB

.gfids Size: 512B - Virtual size: 240B

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

.rsrc Size: 5.5MB - Virtual size: 5.5MB

.reloc Size: 63KB - Virtual size: 63KB

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

.rdata
Size: 692KB - Virtual size: 691KB

.data
Size: 29KB - Virtual size: 75KB

.pdata
Size: 89KB - Virtual size: 88KB

.gfids
Size: 512B - Virtual size: 240B

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

.rsrc
Size: 5.5MB - Virtual size: 5.5MB

.reloc
Size: 63KB - Virtual size: 63KB