2024-03-19_5654b2e4e7e345ea34796661f6f92fe1_ryuk

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General

Target

2024-03-19_5654b2e4e7e345ea34796661f6f92fe1_ryuk
Size

16.3MB
MD5

5654b2e4e7e345ea34796661f6f92fe1
SHA1

cf5512fc6070abe9fc3e59e44278bbe17e44c996
SHA256

dd4a8ac7c0b5c3de705810105b86a9058229bd062b0dd57592a00332cfee7462
SHA512

8469c698235b50f2af63f9044cb8a9456eeadc26225eb1f140bde8dcfd3c54e5b60e495bfd2413ac1a276b484f677a466b7d0ae8e0d10776a65816bfc9f1db55
SSDEEP

393216:KQMxvOAxXtPZ2u3TUWt6hqyuMy/C0p5zcI18xWg5K0axF:KQMxvOAHZr3T9t6hqyud/F3AtxRK0+

Score

10^/10

Malware Config

Signatures

Detects executables containing possible sandbox analysis VM usernames 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_SandboxUserNames

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-19_5654b2e4e7e345ea34796661f6f92fe1_ryuk

Files

2024-03-19_5654b2e4e7e345ea34796661f6f92fe1_ryuk
.exe windows:5 windows x64 arch:x64

5b06f68e10939403dc84c7c9d1fb2676

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

E:\build\nw20_win64\node-webkit\src\outst\nw\initialexe\nw.exe.pdb

Imports

nw_elf

GetInstallDetailsPayload
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

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

psapi

GetMappedFileNameW

shell32

SHGetKnownFolderPath
CommandLineToArgvW
SHGetFolderPathW

user32

PeekMessageW
GetUserObjectInformationW
GetProcessWindowStation
SetProcessWindowStation
CreateWindowStationW
GetThreadDesktop
CreateDesktopW
CloseWindowStation
CloseDesktop
PostThreadMessageW

version

GetFileVersionInfoW
GetFileVersionInfoSizeW
VerQueryValueW

winmm

timeGetTime

rpcrt4

UuidCreate

winhttp

WinHttpReadData
WinHttpConnect
WinHttpOpen
WinHttpCrackUrl
WinHttpSendRequest
WinHttpSetTimeouts
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpCloseHandle

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 765KB - Virtual size: 764KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 188KB - Virtual size: 188KB

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: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 291KB - Virtual size: 290KB

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

5b06f68e10939403dc84c7c9d1fb2676

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

nw_elf

advapi32

kernel32

psapi

shell32

user32

version

winmm

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 765KB - Virtual size: 764KB

.rdata Size: 188KB - Virtual size: 188KB

.data Size: 5KB - Virtual size: 22KB

.pdata Size: 42KB - Virtual size: 42KB

.didat Size: 512B - Virtual size: 88B

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

.rsrc Size: 291KB - Virtual size: 290KB

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

.text
Size: 765KB - Virtual size: 764KB

.rdata
Size: 188KB - Virtual size: 188KB

.data
Size: 5KB - Virtual size: 22KB

.pdata
Size: 42KB - Virtual size: 42KB

.didat
Size: 512B - Virtual size: 88B

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

.rsrc
Size: 291KB - Virtual size: 290KB

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