2024-03-12_4e117bd390a2d40048de9e9df1902fd3_ryuk_sliver

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General

Target

2024-03-12_4e117bd390a2d40048de9e9df1902fd3_ryuk_sliver
Size

3.1MB
MD5

4e117bd390a2d40048de9e9df1902fd3
SHA1

1e5c6acea84b778fa29ed4f4d0efc66e8a02d9d5
SHA256

88af7f11c552a919f9199bca749a8ae927e93b545469ee7f75ec92cba62c55a9
SHA512

552688c401add88e22be31e1deadcc850c4851f90f1f4112eb11d79cfa671d1489a5f6eb599a5643ebb4d8cf9fc73cf5e02f3ea2575b5e972fbcc9b533a3bf52
SSDEEP

49152:9jfjI+676lYav3YjAHUFHXSNi8Q/D4AknV1EVsNJu/MFvf20cPZ4RltcjMj:iElVY1r87/oqu95P2j

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_4e117bd390a2d40048de9e9df1902fd3_ryuk_sliver

Files

2024-03-12_4e117bd390a2d40048de9e9df1902fd3_ryuk_sliver
.exe windows:6 windows x64 arch:x64

882ee4d308ab6fbf44c7957c0187f51b

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:\tmp\MeshAgent\Release\MeshService64.pdb

Imports

setupapi

SetupDiGetDeviceInterfaceDetailA
SetupDiGetClassDevsA
SetupDiEnumDeviceInterfaces
SetupDiDestroyDeviceInfoList

dbghelp

SymGetModuleBase64
SymFromAddr
StackWalk64
SymInitialize
SymFunctionTableAccess64
SymGetLineFromAddr64
MiniDumpWriteDump

iphlpapi

GetAdaptersAddresses
SendARP
ConvertLengthToIpv4Mask
GetAdaptersInfo

ws2_32

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

crypt32

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

wintrust

WTHelperProvDataFromStateData
WTHelperGetProvCertFromChain
WTHelperGetProvSignerFromChain
WinVerifyTrust

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

gdiplus

GdipFree
GdipGetImageEncodersSize
GdipSaveImageToStream
GdipLoadImageFromStream
GdipDisposeImage
GdiplusStartup
GdiplusShutdown
GdipGetImageEncoders
GdipAlloc
GdipCloneImage

winhttp

WinHttpGetIEProxyConfigForCurrentUser

ncrypt

NCryptOpenStorageProvider
BCryptGenRandom
NCryptFinalizeKey
NCryptSetProperty
BCryptOpenAlgorithmProvider
BCryptCloseAlgorithmProvider
NCryptCreatePersistedKey
NCryptFreeObject

kernel32

InitializeSListHead
GetStartupInfoW
RtlUnwindEx
LoadLibraryExW
ExitProcess
CreateDirectoryW
DeleteFileW
MoveFileExW
GetTimeZoneInformation
SetStdHandle
GetDriveTypeW
PeekNamedPipe
GetModuleFileNameA
GetStdHandle
WriteFile
LoadLibraryExA
GetFullPathNameA
GetSystemPowerStatus
SetCurrentDirectoryA
Sleep
GetLastError
CloseHandle
GetProcAddress
FreeLibrary
WideCharToMultiByte
CreateProcessA
WaitForSingleObject
GetCurrentThreadId
GetModuleHandleA
LoadLibraryA
CreateThread
QueueUserAPC
OpenThread
ReadFile
GetModuleFileNameW
GetVersionExA
SleepEx
SetSystemPowerState
GetCurrentProcess
SetThreadExecutionState
HeapFree
GetCommandLineA
GetProcessHeap
SystemTimeToFileTime
GetSystemTime
FileTimeToSystemTime
QueryPerformanceFrequency
SystemTimeToTzSpecificLocalTime
QueryPerformanceCounter
SetEvent
WaitForSingleObjectEx
CreateEventA
ReleaseSemaphore
CreateSemaphoreA
CancelIo
FindFirstFileW
FindNextFileW
RemoveDirectoryW
GetDriveTypeA
FindFirstVolumeA
FindClose
GetVolumePathNamesForVolumeNameA
GetFileAttributesExW
CreateFileA
ReadDirectoryChangesW
FindNextVolumeA
FindVolumeClose
GetDiskFreeSpaceExA
MultiByteToWideChar
GetModuleHandleExA
DeviceIoControl
ResetEvent
GetOverlappedResult
CreateNamedPipeA
DisconnectNamedPipe
CancelIoEx
LocalFree
ConnectNamedPipe
RegisterWaitForSingleObject
IsProcessorFeaturePresent
SetConsoleOutputCP
IsDebuggerPresent
GetCurrentDirectoryA
CancelSynchronousIo
GetThreadId
SetEnvironmentVariableA
GetCurrentProcessId
GetEnvironmentStrings
FreeEnvironmentStringsA
CopyFileA
RtlCaptureContext
CreateFileW
SuspendThread
ResumeThread
DuplicateHandle
GetCurrentThread
DeleteFileA
GetThreadContext
GetTickCount
TerminateProcess
WriteFileEx
WaitForMultipleObjectsEx
ReadFileEx
WTSGetActiveConsoleSessionId
GetExitCodeProcess
SetConsoleCtrlHandler
GetTempPathA
GlobalFree
FreeConsole
RemoveDirectoryA
CreateDirectoryA
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetFileType
GetModuleHandleW
SwitchToFiber
DeleteFiber
CreateFiber
GetSystemTimeAsFileTime
ConvertFiberToThread
ConvertThreadToFiber
LoadLibraryW
GetEnvironmentVariableW
GetConsoleMode
ReadConsoleA
ReadConsoleW
SetConsoleMode
GetCommandLineW
GetACP
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
SetFilePointerEx
GetConsoleCP
GetStringTypeW
HeapReAlloc
FlushFileBuffers
GetCPInfo
GetCurrentDirectoryW
GetFullPathNameW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
UnregisterWait
RtlLookupFunctionEntry
FindFirstFileExW
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
WriteConsoleW
RaiseException
HeapSize
SetEndOfFile
RtlPcToFileHeader
HeapAlloc
GetModuleHandleExW

user32

MessageBeep
ExitWindowsEx
GetUserObjectInformationA
CloseWindowStation
EnumDisplayMonitors
GetSystemMetrics
SetThreadDesktop
GetThreadDesktop
CloseDesktop
OpenWindowStationA
OpenDesktopA
GetMonitorInfoA
SetProcessWindowStation
OpenInputDesktop
SendMessageA
FindWindowA
GetMessageA
DispatchMessageA
LoadCursorA
GetDC
PostMessageA
GetIconInfo
GetCursorInfo
MapVirtualKeyA
GetForegroundWindow
DefWindowProcA
CreateWindowExA
TranslateMessage
DrawIconEx
SetWinEventHook
RegisterClassExA
UnhookWinEvent
SetForegroundWindow
ReleaseDC
SendInput
SetProcessDPIAware
DialogBoxParamA
EndDialog
GetProcessWindowStation
GetUserObjectInformationW
MessageBoxW
ShowWindow
SetWindowPlacement
SetWindowTextA
GetDlgItem
EnableWindow
GetWindowPlacement

gdi32

StretchBlt
DeleteDC
SetStretchBltMode
CreateCompatibleBitmap
SelectObject
BitBlt
DeleteObject
CreateCompatibleDC
GetDIBits
GetObjectA

advapi32

CloseServiceHandle
CryptEnumProvidersW
CryptDestroyHash
CryptCreateHash
CryptDecrypt
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptSetHashParam
RegDeleteValueA
RegOpenKeyExA
RegSetValueExA
RegQueryValueExA
RegDeleteKeyA
RegCloseKey
RegCreateKeyA
OpenProcessToken
InitiateSystemShutdownA
LookupPrivilegeValueA
AdjustTokenPrivileges
CryptReleaseContext
RegCreateKeyW
RegSetValueExW
CryptDestroyKey
InitializeSecurityDescriptor
SetEntriesInAclA
SetSecurityDescriptorDacl
DuplicateTokenEx
SetTokenInformation
CreateProcessAsUserA
OpenServiceA
ChangeServiceConfig2A
CheckTokenMembership
FreeSid
StartServiceA
ControlService
DeleteService
CryptAcquireContextW
RegisterServiceCtrlHandlerExA
OpenSCManagerA
SetServiceStatus
AllocateAndInitializeSid
CryptSignHashW
QueryServiceStatus
StartServiceCtrlDispatcherA
ReportEventW
RegisterEventSourceW
DeregisterEventSource
CreateServiceA

shell32

SHGetFolderPathA
ShellExecuteExA

ole32

CoUninitialize
CoCreateInstance
CreateStreamOnHGlobal
CoInitializeEx

oleaut32

SysAllocString
SysFreeString
SysStringLen

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 164KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 98KB - Virtual size: 97KB

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

882ee4d308ab6fbf44c7957c0187f51b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

setupapi

dbghelp

iphlpapi

ws2_32

crypt32

wintrust

version

gdiplus

winhttp

ncrypt

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.rdata Size: 1.1MB - Virtual size: 1.1MB

.data Size: 19KB - Virtual size: 164KB

.pdata Size: 98KB - Virtual size: 97KB

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

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

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

.text
Size: 1.8MB - Virtual size: 1.8MB

.rdata
Size: 1.1MB - Virtual size: 1.1MB

.data
Size: 19KB - Virtual size: 164KB

.pdata
Size: 98KB - Virtual size: 97KB

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

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

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