meshagent | 2025-03-01_57cc09772e395a4f39c80eeb155cd3ac_ismagent_ryuk_sliver

Sharing

Copy URL

Twitter E-mail

General

Target

2025-03-01_57cc09772e395a4f39c80eeb155cd3ac_ismagent_ryuk_sliver
Size

3.3MB
MD5

57cc09772e395a4f39c80eeb155cd3ac
SHA1

49ce2942f32bd92e14e081e8b1e6d60081604910
SHA256

8532d5aa99e0721293515ea81af6a3a6e3ce630d3fa620d8123eaa8de5cda154
SHA512

546ad63f9796be96a431d74a1a86b076f966f3255c3b90a81a621544a1cce83c16197a480639e4a513e96c7347c01ca7b86c63f8ac1ff9fe7ec982fe6b241087
SSDEEP

49152:0X3YnLOQYsZfQ74C6SkgSbXP31+frjUYuHi7nT8poTMFvfuJ1kZ7NrjHQe85QD:0lRsZ47/QXoHUOfAoj1x6D

Score

10^/10

ssc-group meshagent

Malware Config

Extracted

Family

meshagent

Version

Botnet

ssc-group

http://10.0.0.229:443/agent.ashx

Attributes

mesh_id
0x3A73E854F2D4C882C899FC7A58FA6820380014A45AE564E4D11EDBF8FD28E5A4E8FBA4D5101E3FEEF6D03F123AE69F81
server_id
1C11BA1DB8AB86A9D441A47184D727A8F41AA2250AA8A9195CE53A00B31A67F82C812C1598169C8D4523765F26005993
wss
wss://10.0.0.229:443/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
2025-03-01_57cc09772e395a4f39c80eeb155cd3ac_ismagent_ryuk_sliver

Files

2025-03-01_57cc09772e395a4f39c80eeb155cd3ac_ismagent_ryuk_sliver
.exe windows:6 windows x64 arch:x64

fb0a8b4a81655f744a37af985e009476

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

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

Sections

.text
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 981KB - Virtual size: 981KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 39KB - Virtual size: 201KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 102KB - Virtual size: 101KB

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: 136KB - Virtual size: 135KB

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

Extracted

Signatures

Files

fb0a8b4a81655f744a37af985e009476

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

comctl32

dbghelp

iphlpapi

ws2_32

crypt32

gdiplus

ncrypt

kernel32

user32

gdi32

advapi32

shell32

ole32

Sections

.text Size: 2.0MB - Virtual size: 2.0MB

.rdata Size: 981KB - Virtual size: 981KB

.data Size: 39KB - Virtual size: 201KB

.pdata Size: 102KB - Virtual size: 101KB

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

.rsrc Size: 136KB - Virtual size: 135KB

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

.text
Size: 2.0MB - Virtual size: 2.0MB

.rdata
Size: 981KB - Virtual size: 981KB

.data
Size: 39KB - Virtual size: 201KB

.pdata
Size: 102KB - Virtual size: 101KB

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

.rsrc
Size: 136KB - Virtual size: 135KB

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