meshagent | MeshService64[.]exe

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General

Target
MeshService64.exe
Size 3.3MB
Sample260827-k9aefasdkf
SHA256 ff38ee5600b1275d98f04c9a4afe7cffe4caff38141a38a230bc4c40ee3c3bc1
MD5 568b281fb5152ec90bb92a870fe6cee9
SHA1 e9e9e0f2ef836dc767aeb7a86714eca5f74c77bf
SHA512 61c5347056862a7f0d18148d0f662bad38fc910e56a79a0a9408333679d05806aaa88fc9d96945fc5489cadc151fa36bf0244d6d53d289f3bad9f6fa5ac88443
SSDEEP 49152:xdZEy2B6vflQf6X8uZQoy3vR6QVQy5Z+bm4M/HMFvfGW0/7Z7Ib3jxw5ba:7HvfGfZvZj1/N/z/owJa
TLSH
T104F58DD2A3A600E8E977F23C85568517E7F2B81753709BCF16A44A761F236D12B3E702
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat trojan backdoor meshagent

Malware Config

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

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
MeshService64.exe

File Explorer

MeshService64.exe

.exe 3.3MB

MeshService64.exe

IMPHASH fb0a8b4a81655f744a37af985e009476
SHA256 ff38ee5600b1275d98f04c9a4afe7cffe4caff38141a38a230bc4c40ee3c3bc1
MD5 568b281fb5152ec90bb92a870fe6cee9
SHA1 e9e9e0f2ef836dc767aeb7a86714eca5f74c77bf
SHA512 61c5347056862a7f0d18148d0f662bad38fc910e56a79a0a9408333679d05806aaa88fc9d96945fc5489cadc151fa36bf0244d6d53d289f3bad9f6fa5ac88443
SSDEEP 49152:xdZEy2B6vflQf6X8uZQoy3vR6QVQy5Z+bm4M/HMFvfGW0/7Z7Ib3jxw5ba:7HvfGfZvZj1/N/z/owJa
TLSH
T104F58DD2A3A600E8E977F23C85568517E7F2B81753709BCF16A44A761F236D12B3E702
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects MeshAgent payload
Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

1b:12:94:8c:58:b2:67:e2:25:65:1e:1a:fe:4e:83:32:f4:9e:33:cd:39:6d:f2:59:00:21:fd:41:a1:b2:38:3d:c2:de:d9:0e:75:7b:e8:db:9f:01:61:2d:cf:a7:31:0f

Digest Algorithm

sha384

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=82.22.184.231-2d9f39

Chains

Apr 28, 2026

CN=82.22.184.231-2d9f39

CN=MeshCentralRoot-02131b,O=unknown,C=unknown

Subject

CN=82.22.184.231-2d9f39

Serial Number

38:56:99:45:19

Issuer

CN=MeshCentralRoot-02131b,O=unknown,C=unknown

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Dec 31, 2017 - Dec 30, 2049

Subject

CN=MeshCentralRoot-02131b,O=unknown,C=unknown

Serial Number

67:22:36:94

Issuer

CN=MeshCentralRoot-02131b,O=unknown,C=unknown

Key Usages

KeyUsageCertSign

Timespan

Dec 31, 2017 - Dec 30, 2049

Subject

CN=Sectigo Public Time Stamping Signer R36,O=Sectigo Limited,ST=West Yorkshire,C=GB

Serial Number

a4:29:3b:6e:1e:dd:d7:a7:34:08:87:ad:7a:4e:b7:24

Issuer

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageContentCommitment

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 27, 2025 - Mar 21, 2036

Subject

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Serial Number

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3f

Issuer

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 22, 2021 - Mar 21, 2036

Subject

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Serial Number

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 22, 2021 - Jan 18, 2038

Minor OS version

Major OS version

Entry point

1941564

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

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 WSASetLastError send getsockname WSASocketW listen closesocket bind accept __WSAFDIsSet setsockopt socket sendto getsockopt recvfrom connect shutdown WSAIoctl GetAddrInfoW WSAResetEvent WSAEventSelect WSAStartup WSACreateEvent WSACleanup FreeAddrInfoW select

crypt32

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

gdiplus

GdipGetImageEncoders GdiplusShutdown GdipCloneImage GdipAlloc GdipDisposeImage GdipFree GdipGetImageEncodersSize GdipLoadImageFromStream GdipSaveImageToStream GdiplusStartup

ncrypt

NCryptCreatePersistedKey NCryptFreeObject NCryptSetProperty 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 GetSystemTime FileTimeToSystemTime 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 ResetEvent IsProcessorFeaturePresent 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 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 UnhandledExceptionFilter RtlLookupFunctionEntry GetThreadId RtlVirtualUnwind IsValidCodePage GetOEMCP GetEnvironmentStringsW FreeEnvironmentStringsW RaiseException HeapSize RtlPcToFileHeader QueryPerformanceFrequency 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 SendMessageW LoadCursorA 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 DispatchMessageA CreateWindowExW GetWindowRect

gdi32

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

CoInitializeEx CreateStreamOnHGlobal CoUninitialize

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

988KB

Virtual Size

988KB

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

Signatures

File Explorer

MeshService64.exe

PE Signature issue

comctl32

dbghelp

iphlpapi

ws2_32

crypt32

gdiplus

ncrypt

kernel32

user32

gdi32

advapi32

shell32

ole32

generic