Service64.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-03_986cbcb146e718ea8b0fd24d28ce9fe4_ryuk.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-07-03_986cbcb146e718ea8b0fd24d28ce9fe4_ryuk.exe
Resource
win10v2004-20240611-en
General
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Target
2024-07-03_986cbcb146e718ea8b0fd24d28ce9fe4_ryuk
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Size
280KB
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MD5
986cbcb146e718ea8b0fd24d28ce9fe4
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SHA1
99affa2be87e2b8488ccb895d8c8641e156be597
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SHA256
bcb98354dc4534f2daeea95260db0974aebc31c47cc808cf837f6265b6b2f8bf
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SHA512
652a592e164140a35f197342b68748894e8f850ae787d828c2d7285ac50960e82c3e4bddecc071a4b351a7c49fff4d12249da58f963393ed8d110552153bc6d7
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SSDEEP
6144:BmcS2I+HvgZ/wtc/rxKUn/1mAgxgRixk0USohFn0Cn:9S2tI9wsxKQ0wSo77n
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-03_986cbcb146e718ea8b0fd24d28ce9fe4_ryuk
Files
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2024-07-03_986cbcb146e718ea8b0fd24d28ce9fe4_ryuk.exe windows:6 windows x64 arch:x64
b9b2c1fc9bf0e67f4bf45c7286e4ff86
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
Imports
windivert
WinDivertHelperCalcChecksums
WinDivertOpen
WinDivertSend
WinDivertHelperParsePacket
WinDivertRecvEx
WinDivertClose
kernel32
SetEvent
CloseHandle
CreateThread
CancelIo
CreateFileW
GetOverlappedResult
InitializeCriticalSectionEx
GetLastError
RaiseException
DecodePointer
LocalFree
DeleteCriticalSection
GetConsoleMode
GetConsoleCP
GetExitCodeThread
CreateEventW
WaitForSingleObject
FindResourceW
LoadResource
LockResource
SizeofResource
SetFilePointerEx
FlushFileBuffers
WriteConsoleW
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
Sleep
CompareStringW
HeapSize
SetStdHandle
SetEnvironmentVariableA
FindNextFileA
FindFirstFileExA
FindClose
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
EncodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
OutputDebugStringW
RtlPcToFileHeader
RtlUnwindEx
FreeLibrary
LoadLibraryExW
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetProcessHeap
FreeEnvironmentStringsW
advapi32
DeregisterEventSource
SetServiceStatus
RegisterServiceCtrlHandlerW
StartServiceCtrlDispatcherW
RegisterEventSourceW
ReportEventW
ole32
CoCreateInstance
CoInitializeSecurity
CoInitializeEx
CoUninitialize
oleaut32
VariantInit
SysFreeString
SysAllocString
VariantClear
Sections
.text Size: 169KB - Virtual size: 168KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 89KB - Virtual size: 89KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 504B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ