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
2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe
Resource
win10v2004-20250502-en
General
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Target
2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk
-
Size
354KB
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MD5
3c325ce590daca460eddcd52111bcdb3
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SHA1
3f1b16c6cd303672562804ac137da5a4a94b3cf3
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SHA256
9c03e81f071c3555ab0305859af158db266b42debbc44aa34f19150549ce8665
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SHA512
3c1f2b74a92d35251bb66706f4df082dba8773a28e5f5a742574bed98fbcfc3ab6ef88b81f6c65251a74b4fa5efc725622dd1bfd15197f3b44c1c6e95f0ae66c
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SSDEEP
6144:P1AtjM+EVs7+W7d2lw4GAcstxxIHohqJpyQy:t+M+FdCGAfUo0aQy
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk
Files
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2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe windows:6 windows x64 arch:x64
2cf97f9719da37b00c9d5013c4bb6479
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
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: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.zero Size: 8KB - Virtual size: 4KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ