C:\dvs\p4\build\sw\devrel\Playpen\yyao\VRBench\VR-FCAT\FVSDK_rel_1_0\external\FvSDK\FvSDKTestClient\FvSDKTestClient\bin\FvSDKTestClient.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-24_2680853152dbed72877e6638c0ae098d_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_2680853152dbed72877e6638c0ae098d_ryuk.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_2680853152dbed72877e6638c0ae098d_ryuk
-
Size
1.6MB
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MD5
2680853152dbed72877e6638c0ae098d
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SHA1
2a74a8babe046b8b641506de86f7c30e47660e55
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SHA256
47ac3d16f39334aa2da9a05e20ed590e364d3ceae5ccf2bde8b4855381f31eb3
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SHA512
6b7ba1d0ebe52946f50a31a07bdbc38dce88758473a5a704789bb3c9ebbdc7e4b1aaa5ebaa973435cadd87e8addc6a17d16e9e1aa8a0be0ceef0ff3773c05f23
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SSDEEP
24576:hzdCGAMNaQo/TwSfVcYG3K/cJHlnFR+IGNe8j3Iz:3CGjuLNiXicJFFRGNzj3
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-24_2680853152dbed72877e6638c0ae098d_ryuk
Files
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2024-02-24_2680853152dbed72877e6638c0ae098d_ryuk.exe windows:6 windows x64 arch:x64
2cf97f9719da37b00c9d5013c4bb6479
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
Imports
kernel32
SetConsoleCtrlHandler
SetDefaultDllDirectories
WaitForSingleObject
Sleep
QueryPerformanceFrequency
CloseHandle
CreateThread
GetLocalTime
QueryPerformanceCounter
GetSystemDirectoryW
FreeLibrary
GetProcAddress
LoadLibraryA
VerSetConditionMask
CreateFileW
GetFileAttributesW
GetFullPathNameW
OutputDebugStringW
GetLastError
SetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleW
LoadLibraryExW
LocalAlloc
LocalFree
lstrcmpA
VerifyVersionInfoW
FileTimeToSystemTime
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetStdHandle
GetFileType
GetModuleHandleExW
WriteConsoleW
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
WriteFile
GetCommandLineA
GetCommandLineW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
GetProcessHeap
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
ReadConsoleW
HeapSize
SetEndOfFile
Sections
.text Size: 216KB - Virtual size: 216KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 97KB - Virtual size: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 11KB - Virtual size: 11KB
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.2MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE