meshagent | 2024-10-07_720d104e116e9dd88706c2811d3a5d2a_ryuk_sliver

Sharing

Copy URL Twitter E-mail

General

Target
2024-10-07_720d104e116e9dd88706c2811d3a5d2a_ryuk_sliver
Size 3.2MB
Sample241007-2av1jawdkk
SHA256 e4375ee29ef1c8f9762e3a3bed96422fe10107e29cd010db1a59269946310470
MD5 720d104e116e9dd88706c2811d3a5d2a
SHA1 51cacfec57922a86e469ea1e435f362556b10e15
SHA512 1a48f3b088243375a1fa6f4d956d34eed2a1a1eea0593b2a28318ff89dbb09368d2c0bcc459a041427813b9dea45096ba721e5248ec9e675e5fff1d145e45ceb
SSDEEP 49152:e0yAXvucS6SnbZVlxyZH0XAaCx5OX9ZO/xtEfOfzMFvfDTtKjkVE+ubDw8litYOn:Fvg6ClrBCjec+OfAK7DuYOQG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

uceda - jones meshagent

Malware Config

Extracted

Family

meshagent

Version

Botnet

Uceda - Jones

http://remote.opennology.com:443/agent.ashx

Attributes

mesh_id
0xC5B4844AD2A9004F5010F044089637485AD4C8785249ECE31CC06CF83F2A34938E0919A292351498100C4CA19CC1AE7D
server_id
CEA0C3AF6448380189838E51FE29C7BDFDCC5A7E86351147799A84708BCD06B563FA9701A30D129D9BAAE972A73B5591
wss
wss://remote.opennology.com:443/agent.ashx

Signatures

Detects MeshAgent payload 1 IoCs

resource	yara_rule
sample	family_meshagent

Meshagent family
meshagent

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-07_720d104e116e9dd88706c2811d3a5d2a_ryuk_sliver

File Explorer

2024-10-07_720d104e116e9dd88706c2811d3a5d2a_ryuk_sliver

.exe 3.2MB

2024-10-07_720d104e116e9dd88706c2811d3a5d2a_ryuk_sliver

IMPHASH de9d50d41586565d7f7d04f9c85905a2
SHA256 e4375ee29ef1c8f9762e3a3bed96422fe10107e29cd010db1a59269946310470
MD5 720d104e116e9dd88706c2811d3a5d2a
SHA1 51cacfec57922a86e469ea1e435f362556b10e15
SHA512 1a48f3b088243375a1fa6f4d956d34eed2a1a1eea0593b2a28318ff89dbb09368d2c0bcc459a041427813b9dea45096ba721e5248ec9e675e5fff1d145e45ceb
SSDEEP 49152:e0yAXvucS6SnbZVlxyZH0XAaCx5OX9ZO/xtEfOfzMFvfDTtKjkVE+ubDw8litYOn:Fvg6ClrBCjec+OfAK7DuYOQG
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Detects MeshAgent payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

1889180

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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

C:\MeshAgent\MeshAgent\Release\MeshService64.pdb

dbghelp

MiniDumpWriteDump SymFromAddr StackWalk64 SymInitialize SymFunctionTableAccess64 SymGetLineFromAddr64 SymGetModuleBase64

iphlpapi

GetAdaptersAddresses SendARP ConvertLengthToIpv4Mask GetAdaptersInfo

ws2_32

ntohl WSAGetLastError ioctlsocket recv gethostname htonl htons ntohs WSASetLastError send getsockname WSASocketW listen closesocket bind accept __WSAFDIsSet setsockopt socket sendto getsockopt recvfrom connect shutdown WSAIoctl GetAddrInfoW WSAResetEvent WSAEventSelect WSAStartup WSACreateEvent WSACloseEvent select WSACleanup FreeAddrInfoW

crypt32

CertEnumCertificatesInStore CertDeleteCertificateFromStore CryptAcquireCertificatePrivateKey CertAddEncodedCertificateToStore CryptMsgClose CryptMsgUpdate CryptExportPublicKeyInfo CertCreateSelfSignCertificate CertFreeCertificateContext CryptMsgOpenToEncode CertAddCertificateContextToStore PFXExportCertStore CryptSignAndEncodeCertificate CertCloseStore CertStrToNameA CryptMsgGetParam CryptEncodeObject CertSetCertificateContextProperty CertFindCertificateInStore CryptMsgCalculateEncodedLength CertOpenStore CertStrToNameW CertDuplicateCertificateContext CertGetCertificateContextProperty

gdiplus

GdipGetImageEncoders GdipCloneImage GdiplusStartup GdipAlloc GdipDisposeImage GdipFree GdipGetImageEncodersSize GdipSaveImageToStream GdiplusShutdown GdipLoadImageFromStream

ncrypt

NCryptCreatePersistedKey NCryptFreeObject NCryptFinalizeKey BCryptOpenAlgorithmProvider NCryptOpenStorageProvider BCryptGenRandom NCryptSetProperty BCryptCloseAlgorithmProvider

kernel32

InitializeSListHead GetStartupInfoW RtlUnwindEx GetFullPathNameW GetStdHandle WriteFile LoadLibraryExA GetModuleFileNameW GetSystemPowerStatus OpenProcess MultiByteToWideChar Sleep GetLastError CloseHandle GetCurrentDirectoryW SetCurrentDirectoryW GetProcAddress SetEnvironmentVariableA CreateProcessW FreeLibrary WideCharToMultiByte WaitForSingleObject GetCurrentThreadId GetModuleHandleA CreateThread QueueUserAPC OpenThread ReadFile LoadLibraryA SleepEx SetSystemPowerState GetCurrentProcess SetThreadExecutionState HeapFree HeapAlloc GetProcessHeap SystemTimeToFileTime GetSystemTime FileTimeToSystemTime QueryPerformanceFrequency QueryPerformanceCounter ReleaseSemaphore CreateSemaphoreA CancelIo FindFirstFileW FindNextFileW RemoveDirectoryW GetFinalPathNameByHandleW GetDriveTypeA SetFilePointer FindFirstVolumeA FindClose CreateFileW GetVolumePathNamesForVolumeNameA GetFileAttributesExW ReadDirectoryChangesW FindNextVolumeA FindVolumeClose GetDiskFreeSpaceExA CreateEventA GetModuleHandleExA WaitForMultipleObjectsEx CreateNamedPipeA DisconnectNamedPipe CreateFileA CancelIoEx LocalFree ConnectNamedPipe SetConsoleOutputCP IsDebuggerPresent TerminateProcess GetTempPathW CancelSynchronousIo SetEvent WaitForSingleObjectEx ResetEvent GetThreadId GetCurrentProcessId IsProcessorFeaturePresent FreeEnvironmentStringsA CopyFileW RtlCaptureContext SuspendThread ResumeThread DuplicateHandle GetTickCount64 GetCurrentThread GetOverlappedResult GetThreadContext WTSGetActiveConsoleSessionId GetExitCodeProcess SetEndOfFile DeleteFileW SetFilePointerEx SetConsoleCtrlHandler FreeConsole LoadLibraryExW SetLastError GetFileType GetModuleHandleW SwitchToFiber DeleteFiber CreateFiber GetSystemTimeAsFileTime EncodePointer ConvertThreadToFiber GetEnvironmentVariableW GetConsoleMode ReadConsoleA ReadConsoleW SetConsoleMode EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree ExitProcess GetModuleHandleExW CreateDirectoryW GetConsoleCP MoveFileExW SetEnvironmentVariableW GetTimeZoneInformation SetStdHandle GetDriveTypeW PeekNamedPipe GetCommandLineA GetCommandLineW GetACP GetDateFormatW GetTimeFormatW CompareStringW LCMapStringW GetStringTypeW HeapReAlloc FlushFileBuffers WriteConsoleW GetCPInfo FindFirstFileExW SetUnhandledExceptionFilter RtlLookupFunctionEntry RtlVirtualUnwind GetEnvironmentStrings UnhandledExceptionFilter IsValidCodePage GetOEMCP GetEnvironmentStringsW FreeEnvironmentStringsW RaiseException HeapSize RtlPcToFileHeader SystemTimeToTzSpecificLocalTime ConvertFiberToThread

user32

EndDialog SetWindowTextW GetWindowPlacement ShowWindow SetWindowPlacement SetWindowTextA GetDlgItem DialogBoxParamW EnableWindow MessageBeep ExitWindowsEx GetUserObjectInformationA EnumDisplayMonitors GetSystemMetrics SetThreadDesktop GetThreadDesktop CloseDesktop BlockInput GetMonitorInfoA OpenInputDesktop GetKeyState GetMessageA GetMessageExtraInfo SendMessageW LoadCursorA DestroyWindow GetDC PostMessageA GetIconInfo CallNextHookEx GetCursorInfo SetWindowsHookExA MapVirtualKeyA GetForegroundWindow UnhookWindowsHookEx DefWindowProcA CreateWindowExA TranslateMessage UnregisterClassA DrawIconEx SetWinEventHook RegisterClassExA UnhookWinEvent SetForegroundWindow ReleaseDC SendInput SetProcessDPIAware GetWindowRect GetProcessWindowStation GetUserObjectInformationW MessageBoxW DispatchMessageA

gdi32

GetStockObject SetTextColor SetBkMode CreateSolidBrush BitBlt StretchBlt DeleteDC CreateCompatibleDC SetStretchBltMode CreateCompatibleBitmap GetObjectA DeleteObject GetDIBits SelectObject

advapi32

QueryServiceStatus RegisterEventSourceW DeregisterEventSource CryptEnumProvidersW CryptSignHashW CryptDestroyHash CryptCreateHash CryptDecrypt CryptExportKey CryptGetUserKey CryptGetProvParam CryptSetHashParam CryptAcquireContextW RegDeleteValueA RegCreateKeyW RegOpenKeyExA RegSetValueExA RegQueryValueExA RegDeleteKeyA RegCloseKey OpenProcessToken InitiateSystemShutdownA LookupPrivilegeValueA AdjustTokenPrivileges CryptReleaseContext RegSetValueExW CryptDestroyKey InitializeSecurityDescriptor SetEntriesInAclA SetSecurityDescriptorDacl DuplicateTokenEx CreateProcessAsUserW SetTokenInformation OpenServiceA CheckTokenMembership FreeSid RegisterServiceCtrlHandlerExA OpenSCManagerA SetServiceStatus AllocateAndInitializeSid CloseServiceHandle StartServiceCtrlDispatcherA ReportEventW

shell32

ShellExecuteExW

ole32

CoUninitialize CoInitializeEx CoCreateInstance CreateStreamOnHGlobal

oleaut32

SysFreeString SysStringLen SysAllocString

Name

.text

Size

2.0MB

Virtual Size

2.0MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

902KB

Virtual Size

902KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

34KB

Virtual Size

194KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

101KB

Virtual Size

100KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gfids

Size

512B

Virtual Size

196B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

136KB

Virtual Size

135KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

19KB

Virtual Size

18KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

2024-10-07_720d104e116e9dd88706c2811d3a5d2a_ryuk_sliver

dbghelp

iphlpapi

ws2_32

crypt32

gdiplus

ncrypt

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

generic