2024-02-19_b0b3aba92390029b739a2f7f53e11089_ryuk

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General

Target

2024-02-19_b0b3aba92390029b739a2f7f53e11089_ryuk
Size

1.6MB
MD5

b0b3aba92390029b739a2f7f53e11089
SHA1

f84dffcbe5f12fcb777130f1b4e56792fb9a763a
SHA256

962068d9651d7af7c8ae0572d1e4bcfafe3eb41fecf40b1d333992b4a322b98a
SHA512

ba6ee9cd7bd1a709cad7e5b71a7f91b58d869fe8c18dadf8940161c7e34b8c01068facd52a11e82ed31a21794d81b7bdf0909232e6adaac111d9d22d2e43843b
SSDEEP

49152:ImITHlstZnNs4T3Bet25Szry2uGCUE/Lq5:zITF21x1SHLCUE/Lq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-19_b0b3aba92390029b739a2f7f53e11089_ryuk

Files

2024-02-19_b0b3aba92390029b739a2f7f53e11089_ryuk
.exe windows:6 windows x64 arch:x64

f4dd415e39990326fa6f833b480842a3

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

kernel32

Beep
CloseHandle
CreateDirectoryW
CreateFileA
CreateFileW
CreateMutexW
CreateProcessA
CreateToolhelp32Snapshot
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceA
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeResource
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTickCount64
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadResource
LockResource
MultiByteToWideChar
Process32First
Process32Next
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryA
SetEndOfFile
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadExecutionState
SetUnhandledExceptionFilter
SizeofResource
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VerSetConditionMask
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiA

user32

AdjustWindowRectEx
BringWindowToTop
ChangeDisplaySettingsExW
ClientToScreen
ClipCursor
CreateWindowExW
DefWindowProcW
DestroyIcon
DestroyWindow
DispatchMessageW
EnumDisplayDevicesW
EnumDisplayMonitors
EnumDisplaySettingsW
GetClientRect
GetCursorPos
GetDC
GetKeyState
GetMessageTime
GetMonitorInfoW
GetPropW
GetRawInputData
GetRawInputDeviceInfoA
GetRawInputDeviceList
GetWindowLongW
GetWindowPlacement
LoadCursorW
LoadImageW
MapVirtualKeyW
MessageBoxA
MonitorFromWindow
OffsetRect
PeekMessageW
PtInRect
RegisterClassExW
RegisterDeviceNotificationW
RegisterRawInputDevices
ReleaseCapture
ReleaseDC
RemovePropW
ScreenToClient
SetCapture
SetCursor
SetCursorPos
SetFocus
SetForegroundWindow
SetPropW
SetRect
SetWindowLongW
SetWindowPlacement
SetWindowPos
ShowWindow
SystemParametersInfoW
ToUnicode
TrackMouseEvent
TranslateMessage
UnregisterClassW
UnregisterDeviceNotification
WindowFromPoint

gdi32

ChoosePixelFormat
CreateDCW
CreateRectRgn
DeleteDC
DeleteObject
DescribePixelFormat
GetDeviceCaps
SetDeviceGammaRamp
SetPixelFormat
SwapBuffers

shell32

DragAcceptFiles
DragFinish
DragQueryFileW
DragQueryPoint

Sections

.text
Size: 171KB - Virtual size: 171KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 159KB - Virtual size: 159KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

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: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f4dd415e39990326fa6f833b480842a3

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

Sections

.text Size: 171KB - Virtual size: 171KB

.rdata Size: 159KB - Virtual size: 159KB

.data Size: 6KB - Virtual size: 21KB

.pdata Size: 8KB - Virtual size: 8KB

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

.gxfg Size: 6KB - Virtual size: 6KB

.retplne Size: 512B - Virtual size: 140B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 1.2MB - Virtual size: 1.2MB

.reloc Size: 2KB - Virtual size: 2KB

.text
Size: 171KB - Virtual size: 171KB

.rdata
Size: 159KB - Virtual size: 159KB

.data
Size: 6KB - Virtual size: 21KB

.pdata
Size: 8KB - Virtual size: 8KB

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

.gxfg
Size: 6KB - Virtual size: 6KB

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

.reloc
Size: 2KB - Virtual size: 2KB