meshagent | 3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341[.]bin

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General

Target
3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341.bin
Size 3.3MB
Sample260917-3acdvseb73
SHA256 3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341
MD5 a992c0d3f3f42027473e540aed0c8687
SHA1 a7349078c2b20cfa61d72ef877fdb31b768a1662
SHA512 5179a625f54ee5871c2f9b84666410b1ad62190db3f44594ac60d8c762cfcb0b9907fcf046f0066786445aa158189f8025ff38fdc6c685862d25d8fd11b4b385
SSDEEP 49152:+MSGj9zai9bsddr7AaPcZumeRQyKpzSPQBcnMFvf8AC4Z78bRwlI5fU:nd9AddBcryO3cICgI9U
TLSH
T163F57CD2A7A600E8E977F23CC5568517E7F2B81713709BCF25A44A660F236D12B3E742
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

a rat trojan backdoor meshagent

Malware Config

Extracted

Family

meshagent

Version

Botnet

http://player.gamesstatusfun.com:443/agent.ashx

Attributes

mesh_id
0x4404A2A91C582BBFA913ABC678ADED7987898729BEC4BE7D135BBE6CE7FA339A05974CAA82441FC831113B28228B30E9
server_id
4E185E1B5FBF52FC1CF1F625EACF0197475E2E5F40A3305F53A7B6CE9C5D86863C8D78CE2B08939BD77FDDECC969D5D9
wss
wss://player.gamesstatusfun.com:443/agent.ashx

Signatures

Family: MeshAgent
MeshAgent is an open source remote access trojan written in C++.
rat trojan backdoor meshagent

Detects MeshAgent payload 1 IoCs

resource	yara_rule
sample	family_meshagent

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341.bin

File Explorer

3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341.bin

.exe 3.3MB

3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341.bin

IMPHASH 1beb656f21b9419cba7deef0272fc88b
SHA256 3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341
MD5 a992c0d3f3f42027473e540aed0c8687
SHA1 a7349078c2b20cfa61d72ef877fdb31b768a1662
SHA512 5179a625f54ee5871c2f9b84666410b1ad62190db3f44594ac60d8c762cfcb0b9907fcf046f0066786445aa158189f8025ff38fdc6c685862d25d8fd11b4b385
SSDEEP 49152:+MSGj9zai9bsddr7AaPcZumeRQyKpzSPQBcnMFvf8AC4Z78bRwlI5fU:nd9AddBcryO3cICgI9U
TLSH
T163F57CD2A7A600E8E977F23CC5568517E7F2B81713709BCF25A44A660F236D12B3E742
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects MeshAgent payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

1942108

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:\Users\Default.DESKTOP-9CGK2DI\Desktop\AmtWebApp\MeshAgent\Release\MeshService64.pdb

comctl32

InitCommonControlsEx

dbghelp

SymInitialize SymGetModuleBase64 SymGetLineFromAddr64 SymFunctionTableAccess64 SymFromAddr StackWalk64 MiniDumpWriteDump

iphlpapi

GetAdaptersAddresses SendARP ConvertLengthToIpv4Mask GetAdaptersInfo

ws2_32

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

crypt32

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

gdiplus

GdipGetImageEncoders GdiplusShutdown GdipCloneImage GdipAlloc GdipDisposeImage GdipFree GdipGetImageEncodersSize GdipLoadImageFromStream GdipSaveImageToStream GdiplusStartup

ncrypt

NCryptCreatePersistedKey NCryptSetProperty NCryptFreeObject BCryptCloseAlgorithmProvider BCryptGenRandom NCryptOpenStorageProvider BCryptOpenAlgorithmProvider NCryptFinalizeKey

kernel32

InitializeSListHead GetStartupInfoW RtlUnwindEx GetFullPathNameW GetStdHandle WriteFile LoadLibraryExA GetModuleFileNameW GetSystemPowerStatus OpenProcess MultiByteToWideChar Sleep GetLastError CloseHandle GetCurrentDirectoryW SetCurrentDirectoryW GetProcAddress SetEnvironmentVariableA CreateProcessW FreeLibrary WideCharToMultiByte GetCurrentThreadId GetModuleHandleA WaitForSingleObjectEx CreateThread QueueUserAPC OpenThread ReadFile LoadLibraryA SleepEx SetSystemPowerState GetCurrentProcess SetThreadExecutionState HeapFree HeapAlloc GetProcessHeap SystemTimeToFileTime EnterCriticalSection FileTimeToSystemTime QueryPerformanceFrequency SystemTimeToTzSpecificLocalTime QueryPerformanceCounter ReleaseSemaphore WaitForSingleObject 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 SetConsoleMode GetConsoleMode SetConsoleOutputCP IsDebuggerPresent TerminateProcess GetTempPathW CancelSynchronousIo SetEvent IsProcessorFeaturePresent GetThreadId GetCurrentProcessId GetEnvironmentStrings 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 ConvertFiberToThread ConvertThreadToFiber GetEnvironmentVariableW ReadConsoleA ReadConsoleW 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 ResetEvent UnhandledExceptionFilter IsValidCodePage GetOEMCP GetEnvironmentStringsW FreeEnvironmentStringsW RaiseException HeapSize RtlPcToFileHeader GetSystemTime EncodePointer

user32

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

gdi32

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

advapi32

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

shell32

ShellExecuteExW

ole32

CoUninitialize CoInitializeEx CreateStreamOnHGlobal

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

993KB

Virtual Size

992KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

39KB

Virtual Size

201KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

102KB

Virtual Size

101KB

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

136KB

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

3d5faf021b4871092ff6068665bb3ab86ea70e4d84fdb18fe8657f7dfb92c341.bin

comctl32

dbghelp

iphlpapi

ws2_32

crypt32

gdiplus

ncrypt

kernel32

user32

gdi32

advapi32

shell32

ole32

generic