2024-06-03_cf5db16637f6c75be8a20ab5920f4df3_ryuk

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General

Target
2024-06-03_cf5db16637f6c75be8a20ab5920f4df3_ryuk
Size 1.6MB
Sample240603-mpqa9sbf3t
SHA256 e721a1703321ce0c53817eeea8a7cb9829233403bbab12585ce7a1ea77e662ea
MD5 cf5db16637f6c75be8a20ab5920f4df3
SHA1 205835b58e0af41a757c84f960a492312ce92f93
SHA512 e7b39f2edef1f3a9c388c25ec6e3936d81034de8606a93dbff79554658dd48bf63e309e1470382645df6c327df6f15778a2c47d3cd2634edcb4e1643ce312051
SSDEEP 24576:jNBo/gE3mM/SWWsbT/cq3fNuGGC5SYCysqjnhMgeiCl7G0nehbGZpbD:ZBugE2M/yk/drDmg27RnWGj
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-03_cf5db16637f6c75be8a20ab5920f4df3_ryuk

File Explorer

2024-06-03_cf5db16637f6c75be8a20ab5920f4df3_ryuk

.exe 1.6MB

2024-06-03_cf5db16637f6c75be8a20ab5920f4df3_ryuk

IMPHASH 517d22893efa193cd0a694bc7475d838
SHA256 e721a1703321ce0c53817eeea8a7cb9829233403bbab12585ce7a1ea77e662ea
MD5 cf5db16637f6c75be8a20ab5920f4df3
SHA1 205835b58e0af41a757c84f960a492312ce92f93
SHA512 e7b39f2edef1f3a9c388c25ec6e3936d81034de8606a93dbff79554658dd48bf63e309e1470382645df6c327df6f15778a2c47d3cd2634edcb4e1643ce312051
SSDEEP 24576:jNBo/gE3mM/SWWsbT/cq3fNuGGC5SYCysqjnhMgeiCl7G0nehbGZpbD:ZBugE2M/yk/drDmg27RnWGj
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

189984

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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:\dvs\p4\build\sw\devrel\Playpen\yyao\VRBench\VR-FCAT\FVSDK_rel_1_0\Symbols\FCAT_DT_Capture_x64.pdb

kernel32

GetModuleFileNameA SetLastError GetFullPathNameW GetModuleFileNameW LocalAlloc CreateFileW GetFileAttributesW lstrcmpA GetSystemDirectoryW GetLastError OutputDebugStringW FileTimeToSystemTime CloseHandle GetProcAddress LocalFree VerSetConditionMask CreateProcessW GetModuleHandleW FreeLibrary VerifyVersionInfoW LoadLibraryExW SetConsoleCtrlHandler EnterCriticalSection GetCommandLineW SetConsoleTitleA RegisterWaitForSingleObject UnregisterWait LeaveCriticalSection InitializeCriticalSection CreateEventW Sleep AttachConsole SetEvent QueryPerformanceFrequency DeleteCriticalSection GetCurrentProcessId lstrcmpiW QueryPerformanceCounter AllocConsole GetTickCount HeapFree SetDefaultDllDirectories OutputDebugStringA CreateMutexW WaitForSingleObject GetCurrentDirectoryA UnmapViewOfFile CreateThread HeapAlloc CreateFileMappingA GetProcessHeap lstrcpyW OpenFileMappingA MapViewOfFile MulDiv WritePrivateProfileStringW GetCurrentProcess GetPrivateProfileIntW LoadLibraryExA GetPrivateProfileStringW WaitForMultipleObjects OpenProcess DeleteFileW MoveFileExW CreateEventA LoadLibraryW UnregisterWaitEx QueryDepthSList InterlockedPopEntrySList ReleaseSemaphore VirtualFree VirtualAlloc GetVersionExW GetModuleHandleA GetThreadTimes SetThreadAffinityMask GetProcessAffinityMask GetNumaHighestNodeNumber DeleteTimerQueueTimer ChangeTimerQueueTimer RaiseException GetSystemInfo VirtualProtect VirtualQuery RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent ResetEvent WaitForSingleObjectEx IsDebuggerPresent GetStartupInfoW GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead TryEnterCriticalSection MultiByteToWideChar WideCharToMultiByte GetStringTypeW DuplicateHandle GetCurrentThread GetExitCodeThread InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree EncodePointer DecodePointer CompareStringW LCMapStringW GetLocaleInfoW GetCPInfo RtlPcToFileHeader RtlUnwindEx InterlockedPushEntrySList InterlockedFlushSList GetConsoleCP ExitProcess GetModuleHandleExW GetStdHandle WriteFile ExitThread FreeLibraryAndExitThread HeapReAlloc GetDateFormatW GetTimeFormatW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW GetFileType GetConsoleMode SetConsoleMode GetNumberOfConsoleInputEvents ReadConsoleInputW PeekConsoleInputA ReadConsoleW GetTimeZoneInformation GetFileSizeEx SetFilePointerEx FlushFileBuffers ReadFile FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCommandLineA GetEnvironmentStringsW FreeEnvironmentStringsW SetEnvironmentVariableW SetStdHandle HeapSize WriteConsoleW SetEndOfFile CreateTimerQueue SignalObjectAndWait SwitchToThread SetThreadPriority GetThreadPriority GetLogicalProcessorInformation CreateTimerQueueTimer

shlwapi

PathFileExistsW

bcrypt

BCryptImportKeyPair BCryptOpenAlgorithmProvider BCryptDestroyKey BCryptCreateHash BCryptHashData BCryptDestroyHash BCryptFinishHash BCryptGetProperty BCryptCloseAlgorithmProvider BCryptVerifySignature

Name

.text

Size

619KB

Virtual Size

619KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

217KB

Virtual Size

216KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

16KB

Virtual Size

42KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

32KB

Virtual Size

31KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

1024B

Virtual Size

888B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

153KB

Virtual Size

153KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

572KB

Virtual Size

576KB

Characteristics

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

File Explorer

2024-06-03_cf5db16637f6c75be8a20ab5920f4df3_ryuk

kernel32

shlwapi

bcrypt

generic