2024-01-18_23c1a65c5306a8c8575d4dca0e667704_ryuk

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General

Target

2024-01-18_23c1a65c5306a8c8575d4dca0e667704_ryuk
Size

2.2MB
MD5

23c1a65c5306a8c8575d4dca0e667704
SHA1

0cbdc252db9ffbcf5c7960a822bd227cb459b8ef
SHA256

cea892e832219b56fdbfd8762881e71ecf34a30e0bdbb7922e1b3ebc7b71f9d9
SHA512

4bbdd4c51de9e38be9ce9ce488066d275a8a21902901fba68ed624127e1f80d4416e74a59b8e2f29b83fc18bc11bbd9aa8dd689fef88c4ac3e3fbef0b20ee2ed
SSDEEP

49152:WJg3xkOkcdw6YtfbGiXMe+v9aD4Z5A0Rs817uxuU5:Hx4xCiIO06QU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-18_23c1a65c5306a8c8575d4dca0e667704_ryuk

Files

2024-01-18_23c1a65c5306a8c8575d4dca0e667704_ryuk
.exe windows:6 windows x64 arch:x64

c6ab92896d9ff4db703ea443adbd4e41

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

shell32

DragAcceptFiles
DragQueryFileW
SHGetFolderPathA
ShellExecuteW

kernel32

AcquireSRWLockExclusive
CloseHandle
CloseThreadpoolTimer
CloseThreadpoolWait
CompareStringEx
ConnectNamedPipe
CreateDirectoryA
CreateEventExW
CreateEventW
CreateFileA
CreateFileMappingA
CreateFileW
CreateNamedPipeW
CreateSemaphoreExW
CreateThread
CreateThreadpoolTimer
CreateThreadpoolWait
DecodePointer
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNLSString
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushProcessWriteBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
FreeLibraryWhenCallbackReturns
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumberEx
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeThread
GetFileAttributesA
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetLogicalProcessorInformationEx
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNumaHighestNodeNumber
GetOEMCP
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetThreadGroupAffinity
GetThreadPriority
GetThreadTimes
GetTickCount64
GetUserDefaultLCID
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InterlockedFlushSList
InterlockedPopEntrySList
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
K32GetProcessMemoryInfo
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LoadResource
LockResource
MapViewOfFile
MulDiv
MultiByteToWideChar
QueryDepthSList
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadGroupAffinity
SetThreadPriority
SetThreadpoolTimer
SetThreadpoolWait
SetUnhandledExceptionFilter
SignalObjectAndWait
SizeofResource
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
VirtualFree
WaitForSingleObject
WaitForSingleObjectEx
WaitForThreadpoolTimerCallbacks
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

winmm

midiOutClose
midiOutGetDevCapsW
midiOutGetNumDevs
midiOutOpen
midiOutReset
midiOutSetVolume
midiOutShortMsg
timeBeginPeriod
timeEndPeriod
timeGetTime

comctl32

ImageList_Destroy
ImageList_DrawEx
ImageList_LoadImageW
InitCommonControlsEx
PropertySheetW

user32

AdjustWindowRectEx
AppendMenuW
BeginDeferWindowPos
BeginPaint
CallWindowProcW
CheckDlgButton
CheckMenuItem
CheckRadioButton
ClientToScreen
CreateWindowExW
DefWindowProcW
DeferWindowPos
DestroyMenu
DialogBoxParamW
DispatchMessageW
DrawEdge
DrawFocusRect
DrawFrameControl
DrawMenuBar
EnableMenuItem
EnableWindow
EndDeferWindowPos
EndDialog
EndPaint
FillRect
GetClientRect
GetCursorPos
GetDC
GetDesktopWindow
GetDlgCtrlID
GetDlgItem
GetFocus
GetForegroundWindow
GetKeyState
GetMenu
GetMenuItemCount
GetMenuItemInfoW
GetMessageW
GetParent
GetSubMenu
GetSystemMenu
GetWindowLongA
GetWindowLongPtrW
GetWindowRect
GetWindowTextA
GetWindowTextW
InflateRect
InvalidateRect
IsDialogMessageW
IsDlgButtonChecked
IsWindowVisible
KillTimer
LoadAcceleratorsW
LoadCursorW
LoadIconW
LoadImageW
LoadMenuW
MessageBoxA
MessageBoxW
OffsetRect
PeekMessageW
PostMessageW
PostQuitMessage
PtInRect
RedrawWindow
RegisterClassExW
ReleaseCapture
ReleaseDC
ScreenToClient
SendDlgItemMessageW
SendMessageW
SetCapture
SetCursor
SetCursorPos
SetDlgItemTextA
SetDlgItemTextW
SetFocus
SetMenu
SetMenuItemInfoW
SetTimer
SetWindowLongPtrW
SetWindowLongW
SetWindowPos
SetWindowTextA
SetWindowTextW
ShowCursor
ShowWindow
TrackMouseEvent
TrackPopupMenuEx
TranslateAcceleratorW
TranslateMessage
UnionRect
UnregisterClassW
UpdateWindow

gdi32

BitBlt
CreateCompatibleBitmap
CreateCompatibleDC
CreateFontW
DeleteDC
DeleteObject
GetDeviceCaps
GetStockObject
SelectObject
SetBkMode
SetDCBrushColor

comdlg32

ChooseColorW
GetOpenFileNameW

dwmapi

DwmGetCompositionTimingInfo

winhttp

WinHttpCloseHandle
WinHttpConnect
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest

ole32

CoCreateInstance
CoInitialize
CoUninitialize

dxgi

CreateDXGIFactory2

d3d12

ord101
D3D12SerializeRootSignature

d3dcompiler_47

D3DCompile

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 536KB - Virtual size: 536KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 151KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 60KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 92B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 152KB - Virtual size: 151KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c6ab92896d9ff4db703ea443adbd4e41

Headers

DLL Characteristics

File Characteristics

Imports

shell32

kernel32

winmm

comctl32

user32

gdi32

comdlg32

dwmapi

winhttp

ole32

dxgi

d3d12

d3dcompiler_47

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 536KB - Virtual size: 536KB

.data Size: 16KB - Virtual size: 151KB

.pdata Size: 60KB - Virtual size: 60KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 11KB - Virtual size: 11KB

.retplne Size: 512B - Virtual size: 92B

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

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 152KB - Virtual size: 151KB

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

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 536KB - Virtual size: 536KB

.data
Size: 16KB - Virtual size: 151KB

.pdata
Size: 60KB - Virtual size: 60KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 11KB - Virtual size: 11KB

.retplne
Size: 512B - Virtual size: 92B

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

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 152KB - Virtual size: 151KB

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