2024-03-26_e65363ce78d9aaac8cb2c9af46245398_ryuk

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General

Target

2024-03-26_e65363ce78d9aaac8cb2c9af46245398_ryuk
Size

24.0MB
MD5

e65363ce78d9aaac8cb2c9af46245398
SHA1

e97e55093a807078648aa47575cab0b6b5da9904
SHA256

c79642113c145a7817fb2512548e36a2cbe91af62a4419de572c3a7e955fc251
SHA512

4f2acc9eae20a418be2d933bee2f944b50bf0046bc1a0139519f5100e1707b92c787071ef9c13c70d2f4712ded7888e27febe7973f9388877948e3da375f44b5
SSDEEP

393216:0rVCIUrCiLxqvXD7YAIrXOCqq/tL5NUMTDEHSS:1Lx2XDcr7T

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-26_e65363ce78d9aaac8cb2c9af46245398_ryuk

Files

2024-03-26_e65363ce78d9aaac8cb2c9af46245398_ryuk
.exe windows:6 windows x64 arch:x64

01e6f358933a5ba8a953dfe7fb541428

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

D:\a\ruffle\ruffle\target\x86_64-pc-windows-msvc\release\deps\ruffle_desktop.pdb

Imports

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
AttachConsole
CloseHandle
CompareStringOrdinal
CompareStringW
CreateDirectoryW
CreateEventA
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileA
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeConsole
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetQueuedCompletionStatusEx
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryA
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempFileNameA
GetTempPathA
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetTimeZoneInformationForYear
GetUserPreferredUILanguages
GetWindowsDirectoryW
GlobalAlloc
GlobalFree
GlobalLock
GlobalSize
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
MapViewOfFile
MoveFileExA
MultiByteToWideChar
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReadFileEx
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveVectoredExceptionHandler
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleMode
SetConsoleTextAttribute
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileCompletionNotificationModes
SetFileInformationByHandle
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadErrorMode
SetThreadPriority
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWait
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualProtect
WaitForMultipleObjectsEx
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteFileEx
lstrlenW

user32

AdjustWindowRectEx
ChangeDisplaySettingsExW
ClientToScreen
ClipCursor
CloseClipboard
CloseTouchInputHandle
CreateIcon
CreateWindowExA
CreateWindowExW
DefWindowProcA
DefWindowProcW
DestroyIcon
DestroyWindow
DispatchMessageW
EmptyClipboard
EnableMenuItem
EnumDisplayMonitors
GetActiveWindow
GetAsyncKeyState
GetClientRect
GetClipCursor
GetClipboardData
GetCursorPos
GetDC
GetKeyState
GetKeyboardLayout
GetKeyboardState
GetMenu
GetMessageW
GetMonitorInfoW
GetRawInputData
GetSystemMenu
GetSystemMetrics
GetTouchInputInfo
GetWindowLongPtrW
GetWindowLongW
GetWindowPlacement
GetWindowRect
InvalidateRgn
IsClipboardFormatAvailable
IsProcessDPIAware
KillTimer
LoadCursorW
MapVirtualKeyExW
MapVirtualKeyW
MessageBoxW
MonitorFromRect
MonitorFromWindow
OpenClipboard
PeekMessageW
PostMessageW
RedrawWindow
RegisterClassExA
RegisterClassExW
RegisterClipboardFormatW
RegisterRawInputDevices
RegisterTouchWindow
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
ScreenToClient
SendMessageW
SetCapture
SetClipboardData
SetCursor
SetTimer
SetWindowDisplayAffinity
SetWindowLongPtrW
SetWindowLongW
SetWindowPlacement
SetWindowPos
SetWindowTextW
ShowCursor
ShowWindow
SystemParametersInfoA
ToUnicodeEx
TrackMouseEvent
TranslateMessage
ValidateRect

gdi32

ChoosePixelFormat
CreateRectRgn
DeleteObject
DescribePixelFormat
GetDeviceCaps
GetPixelFormat
SetPixelFormat
SwapBuffers

ws2_32

WSACleanup
WSACloseEvent
WSACreateEvent
WSAGetLastError
WSAIoctl
WSASetLastError
WSASocketW
WSAStartup
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getsockname
getsockopt
htonl
htons
ioctlsocket
listen
ntohs
recv
select
send
setsockopt
socket

dwmapi

DwmEnableBlurBehindWindow

ole32

CoCreateInstance
CoIncrementMTAUsage
CoInitializeEx
CoTaskMemFree
CoUninitialize
OleInitialize
PropVariantClear
RegisterDragDrop
RevokeDragDrop

shell32

DragFinish
DragQueryFileW
SHCreateItemFromParsingName
SHGetKnownFolderPath

imm32

ImmAssociateContextEx
ImmGetCompositionStringW
ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

uxtheme

SetWindowTheme

oleaut32

GetErrorInfo
SysFreeString
SysStringLen

ntdll

NtReadFile
NtWriteFile
RtlNtStatusToDosError

bcrypt

BCryptGenRandom

advapi32

CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptReleaseContext
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

shlwapi

AssocQueryStringW

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertDuplicateCertificateContext
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetEnhancedKeyUsage
CertGetNameStringA
CertOpenStore
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryA
PFXImportCertStore

opengl32

wglCreateContext
wglDeleteContext
wglGetCurrentContext
wglGetProcAddress
wglMakeCurrent

api-ms-win-core-winrt-l1-1-0

RoGetActivationFactory

d3dcompiler_47

D3DCompile

Exports

Exports

PKCreateCodecFactory
PKImageDecode_Create_WMP
PKImageEncode_Create_TIF
PKImageEncode_Transcode
PixelFormatLookup
Ruffle_PKFormatConverterInitialize
Ruffle_SetPixelFormat

Sections

.text
Size: 17.6MB - Virtual size: 17.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6.0MB - Virtual size: 6.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 77KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 297KB - Virtual size: 296KB

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: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 1024B - Virtual size: 945B

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: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 161KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

01e6f358933a5ba8a953dfe7fb541428

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

ws2_32

dwmapi

ole32

shell32

imm32

uxtheme

oleaut32

ntdll

bcrypt

advapi32

shlwapi

crypt32

opengl32

api-ms-win-core-winrt-l1-1-0

d3dcompiler_47

Exports

Exports

Sections

.text Size: 17.6MB - Virtual size: 17.6MB

.rdata Size: 6.0MB - Virtual size: 6.0MB

.data Size: 24KB - Virtual size: 77KB

.pdata Size: 297KB - Virtual size: 296KB

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

.gxfg Size: 12KB - Virtual size: 11KB

.tls Size: 1024B - Virtual size: 945B

_RDATA Size: 512B - Virtual size: 500B

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

.reloc Size: 161KB - Virtual size: 160KB

.text
Size: 17.6MB - Virtual size: 17.6MB

.rdata
Size: 6.0MB - Virtual size: 6.0MB

.data
Size: 24KB - Virtual size: 77KB

.pdata
Size: 297KB - Virtual size: 296KB

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

.gxfg
Size: 12KB - Virtual size: 11KB

.tls
Size: 1024B - Virtual size: 945B

_RDATA
Size: 512B - Virtual size: 500B

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

.reloc
Size: 161KB - Virtual size: 160KB