2024-06-20_402c0708f8b78eab2886638fa632985a_ryuk

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General

Target

2024-06-20_402c0708f8b78eab2886638fa632985a_ryuk
Size

1.4MB
MD5

402c0708f8b78eab2886638fa632985a
SHA1

451f1bd37ac47e36731091a597f49cafad312b57
SHA256

99d523adbcce290301c183cf3dd3ae40da69c7227ad2eaf0ec364ddb206bc21d
SHA512

2338fb7d71f432f061d48e635d17acb31318a6ed445bda1c60d8b8b96b3950b3199968c734551e3b9d3272549e4cdc8235f247a2fde8812c4e7d65e96f4ca20c
SSDEEP

24576:7LNVpx1P7IYC1pV5vVMvX4JEEywf1kYArVRt:vNVpx1P7Q3VMvXUE/wQrX

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-20_402c0708f8b78eab2886638fa632985a_ryuk

Files

2024-06-20_402c0708f8b78eab2886638fa632985a_ryuk
.exe windows:10 windows x64 arch:x64

003b986a30a3522ce90e4e10aebf8ceb

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

notification_helper.exe.pdb

Imports

api-ms-win-core-winrt-error-l1-1-0

RoOriginateError

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

user32

AllowSetForegroundWindow
SendInput

kernel32

AcquireSRWLockExclusive
AddVectoredExceptionHandler
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
HeapSetInformation
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32EnumProcessModules
K32GetModuleFileNameExA
K32GetModuleInformation
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalAlloc
LocalFree
LockFileEx
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
ReleaseSRWLockExclusive
RemoveDirectoryW
RemoveVectoredExceptionHandler
ReplaceFileW
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW
lstrlenA
lstrlenW

ole32

CoAddRefServerProcess
CoRegisterClassObject
CoReleaseServerProcess
CoResumeClassObjects
CoRevokeClassObject
CoTaskMemFree

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoUninitialize

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

shlwapi

PathMatchSpecW

ntdll

NtClose
NtOpenKeyEx
NtQueryValueKey
NtWriteFile
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString
RtlNtStatusToDosError

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 230KB - Virtual size: 230KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 60KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 481B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

malloc_h
Size: 512B - Virtual size: 304B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

prot
Size: 512B - Virtual size: 116B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

003b986a30a3522ce90e4e10aebf8ceb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-core-winrt-error-l1-1-0

advapi32

dbghelp

shell32

user32

kernel32

ole32

api-ms-win-core-winrt-l1-1-0

version

winmm

shlwapi

ntdll

api-ms-win-core-synch-l1-2-0

Exports

Exports

Sections

.text Size: 1.0MB - Virtual size: 1.0MB

.rdata Size: 230KB - Virtual size: 230KB

.data Size: 60KB - Virtual size: 102KB

.pdata Size: 38KB - Virtual size: 37KB

.gxfg Size: 11KB - Virtual size: 11KB

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 481B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 500B

malloc_h Size: 512B - Virtual size: 304B

prot Size: 512B - Virtual size: 116B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 1.0MB - Virtual size: 1.0MB

.rdata
Size: 230KB - Virtual size: 230KB

.data
Size: 60KB - Virtual size: 102KB

.pdata
Size: 38KB - Virtual size: 37KB

.gxfg
Size: 11KB - Virtual size: 11KB

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 481B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 500B

malloc_h
Size: 512B - Virtual size: 304B

prot
Size: 512B - Virtual size: 116B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 6KB - Virtual size: 6KB