meshagent | 2025-02-26_edd44c4079fa51ad434b2474303f4415_ismagent_ryuk_sliver

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General

Target

2025-02-26_edd44c4079fa51ad434b2474303f4415_ismagent_ryuk_sliver
Size

2.9MB
MD5

edd44c4079fa51ad434b2474303f4415
SHA1

e0b2d695d3e925f549f6e8e11e6bbf432e371044
SHA256

7670868c2ef2bdfe7550ffb5e4cf6649acc87997b7ed6128c1e2c384e97fec99
SHA512

b23fac541310c28097c9bddcec3d470092c2eaf23d8b43e3f37e7b72b16ca0793830330a301a5594222a5979633be9a51e1239544b0182b50d939449766ea68e
SSDEEP

49152:aZFIlmhRYg1OziGQGRCv6da/KMvxZdAMBwQoxXXujOl4MPMFvfldPSFrXxn3X:1l7i86hR+fWMeP43X

Score

10^/10

meshagent

Malware Config

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
2025-02-26_edd44c4079fa51ad434b2474303f4415_ismagent_ryuk_sliver

Files

2025-02-26_edd44c4079fa51ad434b2474303f4415_ismagent_ryuk_sliver
.exe windows:6 windows x64 arch:x64

98c2b8839b4fb9fdae4e094efa3ee704

Headers

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

Imports

dbghelp

MiniDumpWriteDump
SymFromAddr
StackWalk64
SymInitialize
SymFunctionTableAccess64
SymGetLineFromAddr64
SymGetModuleBase64

iphlpapi

GetAdaptersAddresses
SendARP
ConvertLengthToIpv4Mask
GetAdaptersInfo

ws2_32

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

crypt32

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

version

VerQueryValueA
GetFileVersionInfoSizeW
GetFileVersionInfoW

gdiplus

GdipGetImageEncoders
GdipCloneImage
GdiplusStartup
GdipAlloc
GdipDisposeImage
GdipFree
GdipGetImageEncodersSize
GdipSaveImageToStream
GdiplusShutdown
GdipLoadImageFromStream

ncrypt

BCryptOpenAlgorithmProvider
BCryptCloseAlgorithmProvider
NCryptCreatePersistedKey
NCryptFreeObject
NCryptSetProperty
NCryptFinalizeKey
NCryptOpenStorageProvider
BCryptGenRandom

kernel32

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

user32

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

gdi32

CreateCompatibleDC
BitBlt
StretchBlt
DeleteDC
SetStretchBltMode
CreateCompatibleBitmap
GetObjectA
DeleteObject
GetDIBits
SelectObject

advapi32

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

shell32

ShellExecuteExW

ole32

CreateStreamOnHGlobal
CoCreateInstance
CoUninitialize
CoInitializeEx

oleaut32

SysFreeString
SysAllocString
SysStringLen

Sections

.text
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 796KB - Virtual size: 796KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 179KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 100KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 196B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

98c2b8839b4fb9fdae4e094efa3ee704

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

dbghelp

iphlpapi

ws2_32

crypt32

version

gdiplus

ncrypt

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 1.9MB - Virtual size: 1.9MB

.rdata Size: 796KB - Virtual size: 796KB

.data Size: 19KB - Virtual size: 179KB

.pdata Size: 100KB - Virtual size: 100KB

.gfids Size: 512B - Virtual size: 196B

.rsrc Size: 18KB - Virtual size: 18KB

.reloc Size: 19KB - Virtual size: 18KB

.text
Size: 1.9MB - Virtual size: 1.9MB

.rdata
Size: 796KB - Virtual size: 796KB

.data
Size: 19KB - Virtual size: 179KB

.pdata
Size: 100KB - Virtual size: 100KB

.gfids
Size: 512B - Virtual size: 196B

.rsrc
Size: 18KB - Virtual size: 18KB

.reloc
Size: 19KB - Virtual size: 18KB