2024-04-15_1c55e4d166ee7472de9400de9a2ce00e_ryuk_sliver

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General

Target

2024-04-15_1c55e4d166ee7472de9400de9a2ce00e_ryuk_sliver
Size

2.9MB
MD5

1c55e4d166ee7472de9400de9a2ce00e
SHA1

6c17a7cdc82cd86f54ed9a3648444b693b4d7e1e
SHA256

63527c8ef4801e79cd9995cb266318955a75e6068e606a49eafafe1c95cf56c9
SHA512

26b89b2a4627debeef40e0d5c1efa7050bede3bad059ed427ae58299db662860b310c6ec35ed03d63f9aa3ca2c072504f1f8892d53adc20159183b1580741f5c
SSDEEP

49152:JzrLHIF6MUVL0lSmaPWzltvqnNcum/WD6KVzx8T/Gwuc1Fg9MFvf+KYoQ+DK:V70wmbHnKxwDFgOYkDK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-15_1c55e4d166ee7472de9400de9a2ce00e_ryuk_sliver

Files

2024-04-15_1c55e4d166ee7472de9400de9a2ce00e_ryuk_sliver
.exe windows:6 windows x64 arch:x64

b149b2ae2b342863795fdc77cf271dae

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

SetupDiDestroyDeviceInfoList
SetupDiGetDeviceInterfaceDetailA
SetupDiGetClassDevsA
SetupDiEnumDeviceInterfaces

dbghelp

MiniDumpWriteDump
SymGetLineFromAddr64
SymFunctionTableAccess64
SymInitialize
StackWalk64
SymFromAddr
SymGetModuleBase64

iphlpapi

GetAdaptersAddresses
SendARP
ConvertLengthToIpv4Mask
GetAdaptersInfo

ws2_32

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

version

GetFileVersionInfoA
VerQueryValueA
GetFileVersionInfoSizeA

gdiplus

GdipCloneImage
GdipSaveImageToStream
GdipGetImageEncodersSize
GdipFree
GdipDisposeImage
GdiplusStartup
GdiplusShutdown
GdipGetImageEncoders
GdipLoadImageFromStream
GdipAlloc

winhttp

WinHttpGetIEProxyConfigForCurrentUser

ncrypt

BCryptOpenAlgorithmProvider
NCryptOpenStorageProvider
NCryptFreeObject
NCryptFinalizeKey
NCryptSetProperty
BCryptCloseAlgorithmProvider
NCryptCreatePersistedKey
BCryptGenRandom

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
LoadLibraryA
ReadFile
GetCurrentThreadId
GetVersionExA
CreateThread
SleepEx
SetSystemPowerState
GetCurrentProcess
SetThreadExecutionState
HeapFree
HeapAlloc
GetProcessHeap
SystemTimeToFileTime
GetCommandLineA
FileTimeToSystemTime
QueryPerformanceFrequency
SystemTimeToTzSpecificLocalTime
QueryPerformanceCounter
SetEvent
WaitForSingleObjectEx
CreateEventA
ReleaseSemaphore
WaitForSingleObject
CreateSemaphoreA
CancelIo
FindFirstFileW
FindNextFileW
RemoveDirectoryW
GetDriveTypeA
FindFirstVolumeA
FindClose
GetVolumePathNamesForVolumeNameA
GetFileAttributesExW
CreateFileA
ReadDirectoryChangesW
FindNextVolumeA
FindVolumeClose
GetDiskFreeSpaceExA
MultiByteToWideChar
GetModuleHandleExA
DeviceIoControl
ResetEvent
QueueUserAPC
GetOverlappedResult
CreateNamedPipeA
LocalFree
ConnectNamedPipe
SetConsoleOutputCP
IsDebuggerPresent
GetCurrentDirectoryA
CancelSynchronousIo
IsProcessorFeaturePresent
SetEnvironmentVariableA
GetCurrentProcessId
GetEnvironmentStrings
FreeEnvironmentStringsA
CopyFileA
RtlCaptureContext
CreateFileW
SuspendThread
ResumeThread
DuplicateHandle
GetModuleHandleA
GetCurrentThread
DeleteFileA
GetThreadContext
GetTickCount
OpenThread
TerminateProcess
WriteFileEx
WaitForMultipleObjectsEx
ReadFileEx
CancelIoEx
WTSGetActiveConsoleSessionId
GetExitCodeProcess
SetConsoleCtrlHandler
GetModuleFileNameW
GetTempPathA
GlobalFree
FreeConsole
EncodePointer
CreateDirectoryA
SetLastError
GetModuleHandleExW
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
GetThreadId
RtlLookupFunctionEntry
FindFirstFileExW
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
WriteConsoleW
RaiseException
HeapSize
SetEndOfFile
RtlPcToFileHeader
GetSystemTime
RemoveDirectoryA

user32

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

gdi32

StretchBlt
DeleteDC
SetStretchBltMode
DeleteObject
CreateCompatibleBitmap
BitBlt
GetObjectA
SelectObject
CreateCompatibleDC
GetDIBits

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
SysStringLen
SysFreeString

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 986KB - Virtual size: 986KB

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: 97KB - 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

b149b2ae2b342863795fdc77cf271dae

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: 986KB - Virtual size: 986KB

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

.pdata Size: 97KB - 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: 986KB - Virtual size: 986KB

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

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

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

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

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