2024-04-18_c1b69a0fd579e467c00dea68139aedc1_ryuk

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General

Target

2024-04-18_c1b69a0fd579e467c00dea68139aedc1_ryuk
Size

1.3MB
MD5

c1b69a0fd579e467c00dea68139aedc1
SHA1

79c71988c8c9f45f43b52b965a0662a1f424d212
SHA256

af4d37beb0668503b09e5611a52ee3fc08ad0b71fc9208dc18034174abb79fbe
SHA512

217637ec4617789b85c044b1682326f9e0e2bfa38ce3c155d0c25d169f472b7e0292a847feb9693a1cebe29eedc028102e2f469b9de588a32f75e7cceec687ef
SSDEEP

24576:uwrSnJuis55YoTwOo10iKQA/cPltpjVUIe:udJub5ZMXlP/FVW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-18_c1b69a0fd579e467c00dea68139aedc1_ryuk

Files

2024-04-18_c1b69a0fd579e467c00dea68139aedc1_ryuk
.exe windows:6 windows x64 arch:x64

c963a5113d8c67502670b9be545cc7b8

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

gdi32

BitBlt
CreateBitmap
CreateCompatibleBitmap
CreateCompatibleDC
CreateFontA
CreateFontIndirectA
CreatePalette
CreatePen
CreateSolidBrush
DeleteDC
DeleteObject
ExcludeClipRect
ExtTextOutA
ExtTextOutW
GetBkMode
GetCharABCWidthsFloatA
GetCharWidth32A
GetCharWidth32W
GetCharWidthA
GetCharWidthW
GetCharacterPlacementW
GetCurrentObject
GetDIBits
GetDeviceCaps
GetObjectA
GetOutlineTextMetricsA
GetPixel
GetStockObject
GetTextExtentExPointA
GetTextExtentPoint32A
GetTextMetricsA
IntersectClipRect
LineTo
MoveToEx
Polyline
RealizePalette
Rectangle
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetPaletteEntries
SetPixel
SetTextAlign
SetTextColor
TextOutA
TranslateCharsetInfo
UnrealizeObject
UpdateColors

imm32

ImmGetCompositionStringW
ImmGetContext
ImmReleaseContext
ImmSetCompositionFontA
ImmSetCompositionWindow

ole32

CoCreateInstance
CoInitialize
CoUninitialize

user32

AppendMenuA
BeginPaint
CheckDlgButton
CheckMenuItem
CheckRadioButton
CloseClipboard
CreateCaret
CreateDialogParamA
CreateMenu
CreatePopupMenu
CreateWindowExA
CreateWindowExW
DefDlgProcA
DefWindowProcA
DefWindowProcW
DeleteMenu
DestroyCaret
DestroyIcon
DestroyWindow
DialogBoxParamA
DispatchMessageA
DispatchMessageW
DrawEdge
DrawIconEx
EmptyClipboard
EnableMenuItem
EnableWindow
EndDialog
EndPaint
FindWindowA
FlashWindow
GetAsyncKeyState
GetCapture
GetCaretBlinkTime
GetClientRect
GetClipboardData
GetClipboardOwner
GetCursorPos
GetDC
GetDesktopWindow
GetDlgItem
GetDlgItemTextA
GetDoubleClickTime
GetForegroundWindow
GetKeyboardLayout
GetKeyboardState
GetMessageA
GetMessageTime
GetParent
GetQueueStatus
GetScrollInfo
GetSysColor
GetSysColorBrush
GetSystemMenu
GetSystemMetrics
GetWindowLongPtrA
GetWindowPlacement
GetWindowRect
GetWindowTextA
GetWindowTextLengthA
HideCaret
InsertMenuA
InvalidateRect
IsDialogMessageA
IsDlgButtonChecked
IsIconic
IsWindow
IsZoomed
KillTimer
LoadCursorA
LoadIconA
LoadImageA
MapDialogRect
MessageBeep
MessageBoxA
MessageBoxIndirectA
MoveWindow
MsgWaitForMultipleObjects
OffsetRect
OpenClipboard
PeekMessageA
PeekMessageW
PostMessageA
PostQuitMessage
RegisterClassA
RegisterClassW
RegisterClipboardFormatA
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
ScreenToClient
SendDlgItemMessageA
SendMessageA
SetActiveWindow
SetCapture
SetCaretPos
SetClassLongPtrA
SetClipboardData
SetCursor
SetDlgItemTextA
SetFocus
SetForegroundWindow
SetKeyboardState
SetScrollInfo
SetTimer
SetWindowLongPtrA
SetWindowPlacement
SetWindowPos
SetWindowTextA
SetWindowTextW
ShowCaret
ShowCursor
ShowWindow
SystemParametersInfoA
ToAsciiEx
TrackPopupMenu
TranslateMessage
UpdateWindow

kernel32

Beep
ClearCommBreak
CloseHandle
CompareStringW
ConnectNamedPipe
CreateEventA
CreateFileA
CreateFileMappingA
CreateFileW
CreateMutexA
CreateNamedPipeA
CreatePipe
CreateProcessA
CreateThread
DeleteCriticalSection
DeleteFileA
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileA
FindFirstFileExW
FindNextFileA
FindNextFileW
FindResourceA
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommState
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoA
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryA
GetSystemTimeAsFileTime
GetTempPathA
GetThreadTimes
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetWindowsDirectoryA
GlobalAlloc
GlobalFree
GlobalLock
GlobalMemoryStatus
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDBCSLeadByteEx
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
LoadResource
LocalAlloc
LocalFileTimeToFileTime
LocalFree
LockResource
MapViewOfFile
MulDiv
MultiByteToWideChar
OpenProcess
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCommBreak
SetCommState
SetCommTimeouts
SetCurrentDirectoryA
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
WaitForSingleObject
WaitNamedPipeA
WideCharToMultiByte
WriteConsoleW
WriteFile

shell32

ShellExecuteA

comdlg32

ChooseColorA
ChooseFontA
GetOpenFileNameA
GetSaveFileNameA

advapi32

AllocateAndInitializeSid
CopySid
EqualSid
GetLengthSid
GetUserNameA
InitializeSecurityDescriptor
RegCloseKey
RegCreateKeyExA
RegDeleteKeyA
RegEnumKeyA
RegOpenKeyA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner

Sections

.text
Size: 920KB - Virtual size: 919KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 255KB - Virtual size: 255KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 17B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 115KB - Virtual size: 114KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c963a5113d8c67502670b9be545cc7b8

Headers

DLL Characteristics

File Characteristics

Imports

gdi32

imm32

ole32

user32

kernel32

shell32

comdlg32

advapi32

Sections

.text Size: 920KB - Virtual size: 919KB

.rdata Size: 255KB - Virtual size: 255KB

.data Size: 3KB - Virtual size: 21KB

.pdata Size: 27KB - Virtual size: 26KB

.00cfg Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 17B

_RDATA Size: 512B - Virtual size: 148B

.rsrc Size: 115KB - Virtual size: 114KB

.reloc Size: 8KB - Virtual size: 7KB

.text
Size: 920KB - Virtual size: 919KB

.rdata
Size: 255KB - Virtual size: 255KB

.data
Size: 3KB - Virtual size: 21KB

.pdata
Size: 27KB - Virtual size: 26KB

.00cfg
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 17B

_RDATA
Size: 512B - Virtual size: 148B

.rsrc
Size: 115KB - Virtual size: 114KB

.reloc
Size: 8KB - Virtual size: 7KB