2024-03-07_a1d0245970e6ce4f4e998c3eba322338_ryuk

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General

Target

2024-03-07_a1d0245970e6ce4f4e998c3eba322338_ryuk
Size

2.7MB
MD5

a1d0245970e6ce4f4e998c3eba322338
SHA1

5fe978e50c3c03958d7b6a4d149958cd9ccaeeaa
SHA256

a55878b4d44ad1a474afff9602bb37ea5bd78d5fed56166f20ee6308ddc412cc
SHA512

0ac68da354744cd1c8fbf304a286338109177ac620e90e1069b6a5847af912db21a73187a3e2f2ee15213fb965424b35cb695767d000a83ab72d7d0cdfe3923c
SSDEEP

49152:K2lsTDu1kxq66+n7rBHBPm11Qgfoey1/snji6attJM:7r1l66cPiNf3y1EnW6at

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-07_a1d0245970e6ce4f4e998c3eba322338_ryuk

Files

2024-03-07_a1d0245970e6ce4f4e998c3eba322338_ryuk
.exe windows:5 windows x64 arch:x64

6391a5a74c1aab6b8bb70a2f7be994f8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

c:\srv\slave\workdir\repos\opera\chromium\src\out\Release\opera_gx_splash.exe.pdb

Imports

mf

MFCreateAudioRendererActivate
MFCreateMediaSession
MFCreateTopology
MFCreateTopologyNode
MFCreateVideoRendererActivate
MFGetService

mfplat

MFCreateAsyncResult
MFCreateSourceResolver
MFInvokeCallback
MFPutWorkItem
MFShutdown
MFStartup

user32

CreateWindowExW
DefWindowProcW
DispatchMessageW
EnumDisplayMonitors
GetClientRect
GetDesktopWindow
GetMessageW
GetSystemMetrics
GetWindowLongPtrW
IsRectEmpty
LoadCursorW
MonitorFromPoint
PostMessageW
PostQuitMessage
PtInRect
RegisterClassExW
SetProcessDPIAware
SetWindowLongPtrW
SetWindowLongW
SetWindowPos
ShowWindow
TranslateMessage
UnregisterClassW
UpdateWindow

advapi32

EventRegister
EventSetInformation
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW

gdi32

CreateSolidBrush

winmm

timeGetTime

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateMutexW
CreateThread
DecodePointer
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetHandleInformation
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessMitigationPolicy
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockResource
MultiByteToWideChar
OpenEventW
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
TerminateProcess
TerminateThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnregisterWaitEx
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

ole32

CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize
PropVariantClear

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath

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

RoInitialize
RoUninitialize

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 939KB - Virtual size: 938KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 158KB - Virtual size: 158KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 62KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 156B

.tls
Size: 512B - Virtual size: 441B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 979KB - Virtual size: 979KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

6391a5a74c1aab6b8bb70a2f7be994f8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mf

mfplat

user32

advapi32

gdi32

winmm

kernel32

ole32

shell32

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

Exports

Exports

Sections

.text Size: 939KB - Virtual size: 938KB

.rdata Size: 158KB - Virtual size: 158KB

.data Size: 62KB - Virtual size: 104KB

.pdata Size: 33KB - Virtual size: 33KB

.00cfg Size: 512B - Virtual size: 48B

.gxfg Size: 11KB - Virtual size: 10KB

.retplne Size: 512B - Virtual size: 156B

.tls Size: 512B - Virtual size: 441B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 979KB - Virtual size: 979KB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 939KB - Virtual size: 938KB

.rdata
Size: 158KB - Virtual size: 158KB

.data
Size: 62KB - Virtual size: 104KB

.pdata
Size: 33KB - Virtual size: 33KB

.00cfg
Size: 512B - Virtual size: 48B

.gxfg
Size: 11KB - Virtual size: 10KB

.retplne
Size: 512B - Virtual size: 156B

.tls
Size: 512B - Virtual size: 441B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 979KB - Virtual size: 979KB

.reloc
Size: 572KB - Virtual size: 576KB