E:\build\nw22_win64\node-webkit\src\outst\nw\initialexe\nw.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-28_944b86de92ca50c5c23f35a595423763_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-28_944b86de92ca50c5c23f35a595423763_ryuk.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_944b86de92ca50c5c23f35a595423763_ryuk
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Size
1.2MB
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MD5
944b86de92ca50c5c23f35a595423763
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SHA1
cf7bae5b97d3dcd7adc8f4884d9eefc6f5514bbf
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SHA256
3c093bec6bb0cefe2214713ab0deda4901e8ac185fb919c322eda2215b9da5ed
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SHA512
5008ce750eeba2f8ef9830f1a7d4ef87d88575b92c3d002013872a9c9e0882ab064cebe6e410d21f39d3f58a104db169009f51821f767476757a6cb8b755ac97
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SSDEEP
24576:RqHC0FnOQSd/8tqvoA7evjcAsdTFCvAB:Ai0NOQSOCSvjcASTkv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-28_944b86de92ca50c5c23f35a595423763_ryuk
Files
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2024-05-28_944b86de92ca50c5c23f35a595423763_ryuk.exe windows:5 windows x64 arch:x64
8e8aaaf576b82c09a58b4b789dc0efbb
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
Imports
nw_elf
SignalChromeElf
GetInstallDetailsPayload
advapi32
ImpersonateNamedPipeClient
RegCloseKey
RegCreateKeyExW
RegDeleteValueW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
SystemFunction036
OpenProcessToken
GetAce
GetKernelObjectSecurity
GetLengthSid
GetSecurityDescriptorSacl
SetKernelObjectSecurity
SetTokenInformation
SetSecurityInfo
ConvertStringSidToSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
RevertToSelf
RegDisablePredefinedCache
CopySid
CreateWellKnownSid
CreateRestrictedToken
DuplicateToken
DuplicateTokenEx
EqualSid
GetTokenInformation
LookupPrivilegeValueW
CreateProcessAsUserW
SetThreadToken
ConvertSidToStringSidW
SetEntriesInAclW
GetSecurityInfo
kernel32
GetModuleHandleA
GetProcAddress
GetLastError
SetLastError
CreateEventW
DuplicateHandle
WaitForSingleObject
GetCurrentProcess
GetProcessId
SetCurrentDirectoryW
GetCurrentDirectoryW
SetProcessShutdownParameters
LoadLibraryExW
VirtualAlloc
VirtualFree
MultiByteToWideChar
WideCharToMultiByte
HeapCreate
HeapDestroy
CreateFileW
DeleteFileW
WriteFile
OutputDebugStringA
CloseHandle
GetCurrentProcessId
GetLocalTime
GetTickCount
FormatMessageA
QueryPerformanceCounter
QueryPerformanceFrequency
Sleep
GetCurrentThread
GetSystemTimeAsFileTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
FileTimeToSystemTime
SystemTimeToFileTime
GetCommandLineW
LocalFree
GetModuleHandleW
ExpandEnvironmentStringsW
GetVersionExW
GetNativeSystemInfo
TerminateProcess
GetExitCodeProcess
OpenProcess
FlushFileBuffers
GetFileInformationByHandle
GetFileSizeEx
ReadFile
SetEndOfFile
SetFilePointerEx
SetFileTime
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
IsDebuggerPresent
RaiseException
CreateThread
GetThreadId
RtlCaptureStackBackTrace
SetUnhandledExceptionFilter
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
CreateDirectoryW
GetFileAttributesW
GetLongPathNameW
GetTempFileNameW
QueryDosDeviceW
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
MoveFileW
ReplaceFileW
UnregisterWaitEx
RegisterWaitForSingleObject
GetUserDefaultLangID
GetModuleHandleExW
FindClose
FindFirstFileW
GetModuleFileNameW
FindNextFileW
LoadResource
LockResource
SizeofResource
FindResourceW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
VirtualQuery
HeapSetInformation
LoadLibraryW
SetEvent
ResetEvent
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
SetInformationJobObject
GetProcessTimes
GetSystemInfo
VirtualQueryEx
DecodePointer
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
CreateProcessW
GetSystemDirectoryW
GetWindowsDirectoryW
OutputDebugStringW
FreeLibrary
LockFileEx
UnlockFileEx
GetFileType
SetConsoleCtrlHandler
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
TerminateJobObject
GetUserDefaultLCID
WriteProcessMemory
AssignProcessToJobObject
SetHandleInformation
ProcessIdToSessionId
GetProcessHandleCount
SignalObjectAndWait
CreateMutexW
VirtualProtectEx
QueryFullProcessImageNameW
VirtualAllocEx
VirtualFreeEx
CreateJobObjectW
CreateNamedPipeW
CreateRemoteThread
ReadProcessMemory
DebugBreak
lstrlenW
SearchPathW
SetFilePointer
VirtualProtect
LoadLibraryExA
GetThreadContext
SuspendThread
GetThreadLocale
CreateSemaphoreW
ReleaseSemaphore
GetVersion
WaitNamedPipeW
TransactNamedPipe
SetNamedPipeHandleState
GetFileInformationByHandleEx
DisconnectNamedPipe
ConnectNamedPipe
InitOnceExecuteOnce
GetUserDefaultUILanguage
ResumeThread
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
GetTimeZoneInformation
WriteConsoleW
EnumSystemLocalesW
IsValidLocale
ReadConsoleW
GetACP
GetStdHandle
SetStdHandle
GetFullPathNameW
ExitProcess
GetConsoleMode
GetConsoleCP
PeekNamedPipe
GetDriveTypeW
RtlPcToFileHeader
RtlUnwindEx
GetCPInfo
GetLocaleInfoW
LCMapStringW
CompareStringW
EncodePointer
GetStringTypeW
InitializeSListHead
GetStartupInfoW
IsProcessorFeaturePresent
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WaitForSingleObjectEx
GetCurrentThreadId
Wow64GetThreadContext
GetSystemDefaultLCID
FindFirstFileExW
psapi
GetMappedFileNameW
GetProcessMemoryInfo
GetPerformanceInfo
shell32
SHGetFolderPathW
SHGetKnownFolderPath
CommandLineToArgvW
user32
GetMessageW
RegisterClassW
GetUserObjectInformationW
GetProcessWindowStation
SetProcessWindowStation
CreateWindowStationW
GetThreadDesktop
CreateDesktopW
CloseWindowStation
CloseDesktop
wsprintfW
SetWindowLongPtrW
GetWindowLongPtrW
DestroyWindow
CreateWindowExW
UnregisterClassW
DefWindowProcW
PostMessageW
DispatchMessageW
TranslateMessage
PostThreadMessageW
PeekMessageW
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
winmm
timeGetTime
winhttp
WinHttpSetTimeouts
WinHttpCloseHandle
WinHttpOpen
WinHttpCrackUrl
WinHttpReadData
WinHttpWriteData
WinHttpQueryHeaders
WinHttpConnect
WinHttpReceiveResponse
WinHttpAddRequestHeaders
WinHttpOpenRequest
WinHttpSendRequest
Exports
Exports
GetHandleVerifier
IsSandboxedProcess
Sections
.text Size: 784KB - Virtual size: 783KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 190KB - Virtual size: 190KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 96B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 159KB - Virtual size: 160KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ