2024-05-07_523288920d3a050532088bdf07a15550_ryuk

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General

Target

2024-05-07_523288920d3a050532088bdf07a15550_ryuk
Size

5.9MB
MD5

523288920d3a050532088bdf07a15550
SHA1

2eb46743ad12e92c88cf582379f497d2788bba37
SHA256

547c7ea2e3e30baeb3161ac6c06d75cd30b7816790f2c6d847cd0bb49d490d3e
SHA512

3305db68e02362bee3291ba4f36d232cd91f92de3f7f7b391d313f89864f95954e557db6846a613d5ecb9c1f8cfca4334a20945e1de17e9be10b1fb26cecab24
SSDEEP

98304:3xGGifGJYq/Ri2BgzD1SQkOA4WPs8Fkay77wRGpj3:BRuGJYq/Ri2BgzD1JkOAXPs8FkasF9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-07_523288920d3a050532088bdf07a15550_ryuk

Files

2024-05-07_523288920d3a050532088bdf07a15550_ryuk
.exe windows:5 windows x64 arch:x64

119c81d2f0567d8b0f34a0c791accdcc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\BuildAgent\buildAgent\work\aa1ae33f8f6d00c4\src\out\Release\nacl_win64\nacl64.exe.pdb

Imports

advapi32

OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
CreateProcessAsUserW
SystemFunction036
InitializeAcl
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
GetAce
GetKernelObjectSecurity
GetLengthSid
GetSecurityDescriptorSacl
SetKernelObjectSecurity
SetTokenInformation
SetSecurityInfo
ConvertStringSidToSidW
RevertToSelf
RegDisablePredefinedCache
CopySid
CreateWellKnownSid
CreateRestrictedToken
DuplicateToken
DuplicateTokenEx
EqualSid
LookupPrivilegeValueW
SetThreadToken
ConvertSidToStringSidW
SetEntriesInAclW
GetSecurityInfo

gdi32

GetCharABCWidthsW
AddFontMemResourceEx
GetFontUnicodeRanges
SelectObject
CreateDIBSection
CreateCompatibleDC
EnumFontFamiliesExW
SetGraphicsMode
GetTextFaceW
GdiFlush
SetWorldTransform
ExtTextOutW
SetTextAlign
GetOutlineTextMetricsW
CreateFontIndirectW
RemoveFontMemResourceEx
DeleteObject
GetGlyphOutlineW
GetGlyphIndicesW
GetTextExtentPointI
SetBkMode
GetFontData
SetTextColor
DeleteDC
GetTextMetricsW

kernel32

IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetCommandLineA
TransactNamedPipe
DuplicateHandle
GetCurrentProcess
GetStdHandle
GetLongPathNameW
CloseHandle
GetLastError
ResumeThread
IsProcessInJob
QueryInformationJobObject
GetModuleFileNameW
GetModuleHandleW
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
DebugActiveProcess
GetCurrentProcessId
GetCurrentThreadId
CreateFileW
CreateNamedPipeW
WaitNamedPipeW
LocalFree
ConnectNamedPipe
GetModuleHandleA
FormatMessageW
VirtualFree
UnmapViewOfFile
GetSystemInfo
VirtualAlloc
VirtualProtect
CreateEventW
ContinueDebugEvent
WaitForDebugEvent
SetEvent
TerminateProcess
SuspendThread
GetThreadContext
SetThreadContext
VirtualQueryEx
ReadProcessMemory
WriteProcessMemory
ReadFile
WriteFile
SetHandleInformation
OpenProcess
GetCurrentThread
GetProcAddress
SetThreadPriority
VirtualQuery
ExitProcess
GetCommandLineW
SetLastError
GetProcessId
QueryThreadCycleTime
Sleep
TzSpecificLocalTimeToSystemTime
FileTimeToSystemTime
QueryPerformanceFrequency
GetThreadPriority
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
GetSystemTimeAsFileTime
QueryPerformanceCounter
WaitForSingleObject
GetExitCodeProcess
RaiseException
CreateThread
IsDebuggerPresent
GetCurrentDirectoryW
FormatMessageA
GetTickCount
SetInformationJobObject
AssignProcessToJobObject
CreateProcessW
GetVersionExW
GetNativeSystemInfo
HeapSetInformation
GetProcessTimes
CreateFileMappingW
MapViewOfFile
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeConditionVariable
InitializeConditionVariable
SleepConditionVariableSRW
WaitForMultipleObjects
ResetEvent
GetThreadId
GetModuleHandleExW
TlsSetValue
TlsAlloc
TlsGetValue
TlsFree
LoadLibraryW
CreateDirectoryW
QueryDosDeviceW
RemoveDirectoryW
GetTempPathW
GetFileAttributesW
SetFileAttributesW
GetFileAttributesExW
DeleteFileW
MoveFileExW
ExpandEnvironmentStringsW
GetUserDefaultLangID
GetQueuedCompletionStatus
PostQueuedCompletionStatus
CreateIoCompletionPort
GetSystemPowerStatus
GetFileSizeEx
SetFileTime
SetEndOfFile
GetFileInformationByHandle
SetFilePointerEx
FlushFileBuffers
RtlCaptureStackBackTrace
SetUnhandledExceptionFilter
FindFirstFileW
FindFirstFileExW
FindNextFileW
FindClose
RegisterWaitForSingleObject
UnregisterWaitEx
ReleaseSRWLockShared
AcquireSRWLockShared
GetModuleHandleExA
RtlAddFunctionTable
RtlDeleteFunctionTable
CreateRemoteThread
GetSystemDirectoryW
GetWindowsDirectoryW
GetNamedPipeInfo
CancelIo
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
InitOnceExecuteOnce
RtlVirtualUnwind
InitializeCriticalSection
DeleteCriticalSection
TerminateJobObject
GetUserDefaultLCID
GetFileType
ProcessIdToSessionId
GetProcessHandleCount
SignalObjectAndWait
CreateMutexW
VirtualProtectEx
QueryFullProcessImageNameW
VirtualAllocEx
VirtualFreeEx
CreateJobObjectW
DebugBreak
lstrlenW
SearchPathW
WideCharToMultiByte
GetEnvironmentVariableW
SetEnvironmentVariableW
OutputDebugStringW
MultiByteToWideChar
GetLocaleInfoW
FreeLibrary
GetTimeZoneInformation
CreateFileA
FlushInstructionCache
LockFileEx
UnlockFileEx
MapViewOfFileEx
SwitchToThread
GetThreadTimes
GetSystemTime
DisconnectNamedPipe
SetNamedPipeHandleState
PeekNamedPipe
GetNamedPipeHandleStateW
ReleaseSemaphore
CreateSemaphoreW
WriteConsoleW
EnumSystemLocalesW
IsValidLocale
ReadConsoleW
GetACP
FreeLibraryAndExitThread
ExitThread
GetCurrentDirectoryA
SetCurrentDirectoryA
SetEnvironmentVariableA
GetFullPathNameA
GetFullPathNameW
GetConsoleMode
GetConsoleCP
SetStdHandle
GetDriveTypeW
GetProcessHeap
LoadLibraryExW
RtlPcToFileHeader
RtlUnwindEx
GetStartupInfoW
InitializeSListHead
IsProcessorFeaturePresent
UnhandledExceptionFilter
RtlLookupFunctionEntry
RtlCaptureContext
GetCPInfo
LCMapStringW
CompareStringW
DecodePointer
EncodePointer
GetStringTypeW

ole32

CoUninitialize
CoTaskMemFree
CoCreateGuid
CoInitializeEx

psapi

GetMappedFileNameW

shell32

SHGetFolderPathW
CommandLineToArgvW
SHGetKnownFolderPath

user32

CreateDesktopW
CloseWindowStation
SetProcessWindowStation
GetUserObjectInformationW
SystemParametersInfoW
GetProcessWindowStation
CreateWindowStationW
GetThreadDesktop
wsprintfW
MessageBoxW
RegisterClassExW
UnregisterClassW
CreateWindowExW
DestroyWindow
DefWindowProcW
CloseDesktop

usp10

ScriptItemize
ScriptFreeCache
ScriptShape

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime
timeGetDevCaps

ws2_32

ntohs
listen
htons
htonl
getsockname
closesocket
bind
accept
recv
select
send
setsockopt
shutdown
WSAStartup
WSAEventSelect
WSACreateEvent
WSACloseEvent
WSAGetLastError
WSACleanup
gethostbyname
socket

userenv

CreateEnvironmentBlock
GetProfileType
DestroyEnvironmentBlock

Exports

Exports

ClearBreakpadPipeEnvironmentVariable
ClearCrashKeyValueImpl
CrashForException
DumpProcess
DumpProcessWithoutCrash
GetHandleVerifier
InjectDumpForHangDebugging
InjectDumpProcessWithoutCrash
IsSandboxedProcess
RegisterNonABICompliantCodeRange
SetCrashKeyValueImpl
TerminateProcessWithoutDump
UnregisterNonABICompliantCodeRange
_ovly_debug_event
nacl_global_xlate_base
nacl_thread_ids
nacl_user

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 202KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 203KB - Virtual size: 202KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 25B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 1024B - Virtual size: 832B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 588KB - Virtual size: 592KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

119c81d2f0567d8b0f34a0c791accdcc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

gdi32

kernel32

ole32

psapi

shell32

user32

usp10

version

winmm

ws2_32

userenv

Exports

Exports

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.rdata Size: 1.6MB - Virtual size: 1.6MB

.data Size: 19KB - Virtual size: 202KB

.pdata Size: 203KB - Virtual size: 202KB

.tls Size: 512B - Virtual size: 25B

.gfids Size: 1024B - Virtual size: 832B

_RDATA Size: 32KB - Virtual size: 32KB

.rsrc Size: 52KB - Virtual size: 51KB

.reloc Size: 588KB - Virtual size: 592KB

.text
Size: 3.5MB - Virtual size: 3.5MB

.rdata
Size: 1.6MB - Virtual size: 1.6MB

.data
Size: 19KB - Virtual size: 202KB

.pdata
Size: 203KB - Virtual size: 202KB

.tls
Size: 512B - Virtual size: 25B

.gfids
Size: 1024B - Virtual size: 832B

_RDATA
Size: 32KB - Virtual size: 32KB

.rsrc
Size: 52KB - Virtual size: 51KB

.reloc
Size: 588KB - Virtual size: 592KB