2024-03-08_b743f77c94bdbf275e2cfc94de049440_ryuk_sliver

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General

Target

2024-03-08_b743f77c94bdbf275e2cfc94de049440_ryuk_sliver
Size

2.8MB
MD5

b743f77c94bdbf275e2cfc94de049440
SHA1

6b855e56f8a65784ba912e042e800d59255dfa4d
SHA256

ac3b57947698f4741cf253a764cda0b1af5b02558ddaa2dd4390f7605d78d4e9
SHA512

ebd6d322a6313554960d6b55e0befc6619024367b07f4ff4b94fbeae2160d60b7cd01de2906904e5c6de1a7ba13f1ebe2a501825f58f3fd028de55e5ccaa2fc3
SSDEEP

49152:nyg9IdIwr80CaBOZofLnjwj7vc7s566RefGUEPccYqMFvfRO7zvqny:L9b0CBsAOOacYW7Yy

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-08_b743f77c94bdbf275e2cfc94de049440_ryuk_sliver

Files

2024-03-08_b743f77c94bdbf275e2cfc94de049440_ryuk_sliver
.exe windows:6 windows x64 arch:x64

a2f26ff77ae5224a10b3e3bce5bf1fd4

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

SymFromAddr
StackWalk64
SymInitialize
SymFunctionTableAccess64
SymGetLineFromAddr64
SymGetModuleBase64
MiniDumpWriteDump

iphlpapi

GetAdaptersAddresses
SendARP
ConvertLengthToIpv4Mask
GetAdaptersInfo

ws2_32

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

crypt32

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

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueA

gdiplus

GdipLoadImageFromStream
GdipSaveImageToStream
GdipGetImageEncodersSize
GdipFree
GdipDisposeImage
GdipAlloc
GdipCloneImage
GdipGetImageEncoders
GdiplusShutdown
GdiplusStartup

ncrypt

NCryptFinalizeKey
BCryptOpenAlgorithmProvider
NCryptOpenStorageProvider
BCryptGenRandom
NCryptSetProperty
BCryptCloseAlgorithmProvider
NCryptCreatePersistedKey
NCryptFreeObject

kernel32

InitializeSListHead
GetStartupInfoW
RtlUnwindEx
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetFullPathNameW
GetStdHandle
WriteFile
LoadLibraryExA
GetModuleFileNameW
GetSystemPowerStatus
OpenProcess
Sleep
GetLastError
CloseHandle
SetCurrentDirectoryW
GetProcAddress
CreateProcessW
FreeLibrary
WideCharToMultiByte
WaitForSingleObject
GetCurrentThreadId
GetModuleHandleA
CreateThread
QueueUserAPC
OpenThread
ReadFile
GetVersionExA
SleepEx
SetSystemPowerState
GetCurrentProcess
SetThreadExecutionState
HeapFree
HeapAlloc
GetProcessHeap
SystemTimeToFileTime
TlsAlloc
FileTimeToSystemTime
QueryPerformanceFrequency
SystemTimeToTzSpecificLocalTime
QueryPerformanceCounter
ReleaseSemaphore
CreateSemaphoreA
CancelIo
FindFirstFileW
FindNextFileW
RemoveDirectoryW
GetFinalPathNameByHandleW
GetDriveTypeA
SetFilePointer
FindFirstVolumeA
FindClose
CreateFileW
GetVolumePathNamesForVolumeNameA
GetFileAttributesExW
ReadDirectoryChangesW
FindNextVolumeA
FindVolumeClose
GetDiskFreeSpaceExA
CreateEventA
MultiByteToWideChar
GetModuleHandleExA
LoadLibraryA
WaitForMultipleObjectsEx
CreateNamedPipeA
DisconnectNamedPipe
CreateFileA
CancelIoEx
LocalFree
ConnectNamedPipe
SetConsoleOutputCP
IsDebuggerPresent
GetTempPathW
CancelSynchronousIo
SetEvent
IsProcessorFeaturePresent
ResetEvent
GetCurrentDirectoryW
GetThreadId
SetEnvironmentVariableA
GetCurrentProcessId
GetEnvironmentStrings
FreeEnvironmentStringsA
CopyFileW
RtlCaptureContext
SuspendThread
ResumeThread
DuplicateHandle
GetCurrentThread
GetOverlappedResult
GetThreadContext
GetTickCount
TerminateProcess
WTSGetActiveConsoleSessionId
GetExitCodeProcess
SetEndOfFile
DeleteFileW
SetFilePointerEx
SetConsoleCtrlHandler
FreeConsole
SetLastError
GetFileType
GetModuleHandleW
EncodePointer
SwitchToFiber
DeleteFiber
CreateFiber
GetSystemTimeAsFileTime
ConvertFiberToThread
ConvertThreadToFiber
GetEnvironmentVariableW
GetConsoleMode
ReadConsoleA
ReadConsoleW
SetConsoleMode
TlsGetValue
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
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlLookupFunctionEntry
WaitForSingleObjectEx
RtlVirtualUnwind
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
RaiseException
HeapSize
RtlPcToFileHeader
GetSystemTime

user32

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

gdi32

DeleteObject
BitBlt
StretchBlt
DeleteDC
SetStretchBltMode
CreateCompatibleBitmap
SelectObject
CreateCompatibleDC
GetDIBits
GetObjectA

advapi32

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

shell32

ShellExecuteExW

ole32

CoUninitialize
CoInitializeEx
CoCreateInstance
CreateStreamOnHGlobal

oleaut32

SysFreeString
SysStringLen
SysAllocString

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 769KB - Virtual size: 768KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 178KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

a2f26ff77ae5224a10b3e3bce5bf1fd4

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: 769KB - Virtual size: 768KB

.data Size: 19KB - Virtual size: 178KB

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

.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: 769KB - Virtual size: 768KB

.data
Size: 19KB - Virtual size: 178KB

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

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

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

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