2024-06-12_2aa88d8e246c0e80d7a79b0dab105094_ryuk

Sharing

Copy URL Twitter E-mail

General

Target
2024-06-12_2aa88d8e246c0e80d7a79b0dab105094_ryuk
Size 1.9MB
Sample240612-se718azala
SHA256 2507c756586beb8596df1c703eecb5c066002f594c0ba63b62c6ab34891cd1c7
MD5 2aa88d8e246c0e80d7a79b0dab105094
SHA1 dfdc6fea98d35a3a8afda42c184b2af9c454b811
SHA512 6d45e49e29bde66c3cd354eaeddb9b6b0076c94b2bcacaf711885e7c850e5ce91db51a03f7eb7bf974bb7c739bb1394d895ed12d480c7840c339ab89f77dcd3d
SSDEEP 49152:ElOVDTtQY6SoNtaUJ67UnHpclbwbWAaJiwmcTdcoMf9Ckt7c20+9qNxUW:7qSUHxqPFafEkKK90
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-12_2aa88d8e246c0e80d7a79b0dab105094_ryuk

File Explorer

2024-06-12_2aa88d8e246c0e80d7a79b0dab105094_ryuk

.exe 1.9MB

2024-06-12_2aa88d8e246c0e80d7a79b0dab105094_ryuk

IMPHASH 9eaf1e1f345d5eabac8a31ef2a96a701
SHA256 2507c756586beb8596df1c703eecb5c066002f594c0ba63b62c6ab34891cd1c7
MD5 2aa88d8e246c0e80d7a79b0dab105094
SHA1 dfdc6fea98d35a3a8afda42c184b2af9c454b811
SHA512 6d45e49e29bde66c3cd354eaeddb9b6b0076c94b2bcacaf711885e7c850e5ce91db51a03f7eb7bf974bb7c739bb1394d895ed12d480c7840c339ab89f77dcd3d
SSDEEP 49152:ElOVDTtQY6SoNtaUJ67UnHpclbwbWAaJiwmcTdcoMf9Ckt7c20+9qNxUW:7qSUHxqPFafEkKK90
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

624016

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

elevation_service.exe.pdb

advapi32

AddAce CopySid CreateProcessAsUserW EventRegister EventUnregister EventWrite GetAclInformation GetLengthSid GetSecurityDescriptorControl GetSecurityDescriptorDacl GetSecurityDescriptorGroup GetSecurityDescriptorOwner GetSecurityDescriptorSacl GetSidLengthRequired GetSidSubAuthority InitializeAcl InitializeSecurityDescriptor InitializeSid IsValidSid MakeAbsoluteSD RegCloseKey RegOpenKeyExW RegQueryValueExW RegisterServiceCtrlHandlerW SetSecurityDescriptorDacl SetSecurityDescriptorGroup SetSecurityDescriptorOwner SetServiceStatus StartServiceCtrlDispatcherW SystemFunction036

kernel32

AcquireSRWLockExclusive AcquireSRWLockShared AssignProcessToJobObject CloseHandle CompareStringW CreateDirectoryW CreateEventW CreateFileW CreateProcessW CreateThread DecodePointer DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExitThread ExpandEnvironmentStringsW FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsSetValue FlushFileBuffers FormatMessageA FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDateFormatW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileSizeEx GetFileType GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHeap GetProcessId GetProductInfo GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDirectoryW GetSystemInfo GetSystemTimeAsFileTime GetTempPathW GetThreadId GetThreadPriority GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetVersionExW GetWindowsDirectoryW HeapAlloc HeapDestroy HeapFree HeapReAlloc HeapSetInformation HeapSize InitOnceExecuteOnce InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeProcThreadAttributeList InitializeSListHead InitializeSRWLock IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LocalFree MoveFileExW MultiByteToWideChar OpenProcess OutputDebugStringA OutputDebugStringW QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive ReleaseSRWLockShared RemoveDirectoryW ResetEvent RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetEndOfFile SetEnvironmentVariableW SetEvent SetFileAttributesW SetFilePointer SetFilePointerEx SetFileTime SetHandleInformation SetLastError SetStdHandle SetThreadPriority SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SystemTimeToFileTime TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryAcquireSRWLockExclusive TzSpecificLocalTimeToSystemTime UnhandledExceptionFilter UnregisterWaitEx UpdateProcThreadAttribute VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForSingleObject WaitForSingleObjectEx WakeAllConditionVariable WakeConditionVariable WideCharToMultiByte WriteConsoleW WriteFile lstrcmpiW

ole32

CoAddRefServerProcess CoImpersonateClient CoInitializeEx CoInitializeSecurity CoRegisterClassObject CoRegisterInitializeSpy CoReleaseServerProcess CoResumeClassObjects CoRevertToSelf CoRevokeClassObject CoRevokeInitializeSpy CoTaskMemFree CoUninitialize IIDFromString

shell32

CommandLineToArgvW SHGetFolderPathW SHGetKnownFolderPath

userenv

CreateEnvironmentBlock DestroyEnvironmentBlock

user32

AllowSetForegroundWindow

shlwapi

PathMatchSpecW

winmm

timeGetTime

Name

.text

Size

1.1MB

Virtual Size

1.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

193KB

Virtual Size

193KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

13KB

Virtual Size

48KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

39KB

Virtual Size

39KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.00cfg

Size

512B

Virtual Size

40B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

12B

Characteristics

Name

.tls

Size

512B

Virtual Size

305B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

148B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

5KB

Virtual Size

5KB

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

2024-06-12_2aa88d8e246c0e80d7a79b0dab105094_ryuk

advapi32

kernel32

ole32

shell32

userenv

user32

shlwapi

winmm

generic