2024-04-05_efe539230b27a2f19fa92725f5620fb1_ryuk

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General

Target

2024-04-05_efe539230b27a2f19fa92725f5620fb1_ryuk
Size

1.1MB
MD5

efe539230b27a2f19fa92725f5620fb1
SHA1

29a6ac026ce9c9b0100207b5ec484bf7db875d3b
SHA256

a045f2dd90b22a6af8ed986e534076e9cb6db13f5949cae0cea8c87504419a89
SHA512

025a537a5ff8ea5c74b6396f04cb67dbdfb8576a9237f72fe7731591791a42dbd4ce3b03bab69a1a2c1015efd7a63ac7698ad8d86ec4afa673b826cafef388e5
SSDEEP

24576:ripaSmce1Sy55mSGzzhBXqKw+5YJtH4fhF:ripa3ce1Sy55mpXfw+5Ku

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-05_efe539230b27a2f19fa92725f5620fb1_ryuk

Files

2024-04-05_efe539230b27a2f19fa92725f5620fb1_ryuk
.exe windows:5 windows x64 arch:x64

e051f80dc81289287656735fb5ae1058

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

E:\build\nw19_sdk_win64\node-webkit\src\outst\nw\initialexe\nw.exe.pdb

Imports

nw_elf

SignalInitializeCrashReporting
SignalChromeElf

advapi32

ImpersonateNamedPipeClient
RegCloseKey
RegCreateKeyExW
RegDeleteValueW
RegEnumKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
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

GetProcAddress
GetLastError
SetLastError
CreateEventW
DuplicateHandle
WaitForSingleObject
GetCurrentProcess
GetProcessId
SetCurrentDirectoryW
GetCurrentDirectoryW
SetProcessShutdownParameters
LoadLibraryExW
VirtualAlloc
VirtualFree
MultiByteToWideChar
WideCharToMultiByte
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
CreateFileW
DeleteFileW
WriteFile
OutputDebugStringA
CloseHandle
GetCurrentProcessId
GetTickCount
GetModuleFileNameW
FormatMessageA
QueryPerformanceCounter
QueryPerformanceFrequency
Sleep
GetSystemTimeAsFileTime
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetCommandLineW
LocalFree
GetModuleHandleW
ExpandEnvironmentStringsW
GetVersionExW
GetNativeSystemInfo
TerminateProcess
GetExitCodeProcess
OpenProcess
FlushFileBuffers
GetFileInformationByHandle
GetFileSizeEx
ReadFile
SetEndOfFile
SetFilePointerEx
GetProcessTimes
GetSystemInfo
VirtualQueryEx
IsDebuggerPresent
RaiseException
CreateThread
RtlCaptureStackBackTrace
SetUnhandledExceptionFilter
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
CreateDirectoryW
GetFileAttributesW
GetLongPathNameW
QueryDosDeviceW
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
MoveFileW
ReplaceFileW
UnregisterWaitEx
RegisterWaitForSingleObject
GetModuleHandleA
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetThreadId
HeapSetInformation
GetModuleHandleExW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
LoadResource
LockResource
SizeofResource
FindResourceW
VirtualQuery
LoadLibraryW
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
SetEvent
SetInformationJobObject
ResetEvent
CompareStringW
DecodePointer
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetSystemDirectoryW
GetWindowsDirectoryW
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
TerminateJobObject
GetUserDefaultLCID
AssignProcessToJobObject
GetFileType
SetHandleInformation
ProcessIdToSessionId
GetProcessHandleCount
SignalObjectAndWait
CreateMutexW
VirtualProtectEx
QueryFullProcessImageNameW
VirtualAllocEx
VirtualFreeEx
CreateJobObjectW
CreateNamedPipeW
CreateRemoteThread
CreateProcessW
ReadProcessMemory
DebugBreak
lstrlenW
SearchPathW
VirtualProtect
FreeLibrary
LoadLibraryExA
GetThreadContext
SuspendThread
GetThreadLocale
CreateSemaphoreW
ReleaseSemaphore
WaitNamedPipeW
TransactNamedPipe
SetNamedPipeHandleState
GetVersion
DisconnectNamedPipe
ConnectNamedPipe
UnlockFileEx
LockFileEx
GetUserDefaultUILanguage
ResumeThread
GetEnvironmentVariableW
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
WriteConsoleW
GetTimeZoneInformation
EnumSystemLocalesW
IsValidLocale
ReadConsoleW
GetACP
GetStdHandle
SetStdHandle
GetFullPathNameW
ExitProcess
GetConsoleMode
GetConsoleCP
PeekNamedPipe
GetDriveTypeW
GetProcessHeap
RtlPcToFileHeader
RtlUnwindEx
OutputDebugStringW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
EncodePointer
GetCurrentThreadId
Wow64GetThreadContext
GetSystemDefaultLCID
GetUserDefaultLangID
WriteProcessMemory
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
IsProcessorFeaturePresent
GetStartupInfoW
InitializeSListHead

psapi

GetMappedFileNameW

shell32

SHGetKnownFolderPath
SHGetFolderPathW
CommandLineToArgvW

user32

GetUserObjectInformationW
GetProcessWindowStation
SetProcessWindowStation
CreateWindowStationW
GetThreadDesktop
CreateDesktopW
CloseWindowStation
CloseDesktop
PostThreadMessageW
PeekMessageW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

rpcrt4

UuidCreate

winhttp

WinHttpReadData
WinHttpSetTimeouts
WinHttpOpen
WinHttpCloseHandle
WinHttpQueryHeaders
WinHttpCrackUrl
WinHttpReceiveResponse
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpConnect
WinHttpSendRequest

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 674KB - Virtual size: 674KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 157KB - Virtual size: 156KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 764B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 2B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 198KB - Virtual size: 197KB

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

Sharing

General

Malware Config

Signatures

Files

e051f80dc81289287656735fb5ae1058

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

nw_elf

advapi32

kernel32

psapi

shell32

user32

version

winmm

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 674KB - Virtual size: 674KB

.rdata Size: 157KB - Virtual size: 156KB

.data Size: 5KB - Virtual size: 18KB

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

.gfids Size: 1024B - Virtual size: 764B

.tls Size: 512B - Virtual size: 2B

.rsrc Size: 198KB - Virtual size: 197KB

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 674KB - Virtual size: 674KB

.rdata
Size: 157KB - Virtual size: 156KB

.data
Size: 5KB - Virtual size: 18KB

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

.gfids
Size: 1024B - Virtual size: 764B

.tls
Size: 512B - Virtual size: 2B

.rsrc
Size: 198KB - Virtual size: 197KB

.reloc
Size: 6KB - Virtual size: 5KB