meshagent | 2024-10-12_1f8e168c409e74a6675d1da0cd55f4cf_ryuk_sliver

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General

Target

2024-10-12_1f8e168c409e74a6675d1da0cd55f4cf_ryuk_sliver
Size

3.3MB
MD5

1f8e168c409e74a6675d1da0cd55f4cf
SHA1

2c67f6c972afce75bce67c4b8dd1941e1d0f804e
SHA256

33f18195c91e592c56c4ff5dfb7b25b21fef49f3cc844adb3ef05fd69472080f
SHA512

ca4ac8ff1fa4904b9b8c2793da9a064e21c5316a6162beeedc3f6a051df3153682a1040203478dd4c02af087c767aa5ce102b222a76e78b80724a17b01b2f1d4
SSDEEP

49152:3X3YnLOQYsZfQ74C6SkgSbXP31+frjUYuHi7nT8poTMFvfuJ1kZ7NrjHQe85QY:3lRsZ47/QXoHUOfAoj1x6Y

Score

10^/10

ictot meshagent

Malware Config

Extracted

Family

meshagent

Version

Botnet

ICTOT

http://AK056-EMA.intern.vlaamsewaterweg.be:444/agent.ashx

Attributes

mesh_id
0xE0BEA011CBC13575907EF700A9B9787F84BBBC5FE26883352E787E207014F7AC23DC9621242939F5C850CB849BE24267
server_id
CE6E90F49985CDE07793DAF8CF5B5243677902FF6E68346F14A16BC124CD44828CE510E6B5B83B165987B5AFEC7E87E6
wss
wss://AK056-EMA.intern.vlaamsewaterweg.be:444/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
2024-10-12_1f8e168c409e74a6675d1da0cd55f4cf_ryuk_sliver

Files

2024-10-12_1f8e168c409e74a6675d1da0cd55f4cf_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