2024-05-30_a11f839503efa8b1ef966622905e09db_ryuk

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General

Target

2024-05-30_a11f839503efa8b1ef966622905e09db_ryuk
Size

7.0MB
MD5

a11f839503efa8b1ef966622905e09db
SHA1

dfce0791a8d9ea1507039acc3bb822ca5d358b20
SHA256

eae9e7f65f228dac8b89eaba98c81c7533c8975ed573e0775077adb475a87da6
SHA512

a045105f2dc757a9627f6450e5ca454183c2155c3864119edac94c516e6b57ac6c903b69779e386b5e42339e89dbd34280b01d77838fd427445d2366840deeb6
SSDEEP

98304:8QPIa37rrmyXPCI6gRKJyIW+pH/rn2oKensvFfjlrfO3:tIa3XrmyXPb6g0JyApH/729ensfbO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-30_a11f839503efa8b1ef966622905e09db_ryuk

Files

2024-05-30_a11f839503efa8b1ef966622905e09db_ryuk
.exe windows:6 windows x64 arch:x64

a6d291eb79bfb278c30ec32008c1e54a

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

J:\multiloader\bin\Release\inj.pdb

Imports

user32

ClientToScreen
CloseClipboard
CreateWindowExW
DefWindowProcW
DispatchMessageW
EmptyClipboard
FindWindowW
GetCapture
GetClientRect
GetClipboardData
GetCursorPos
GetDC
GetDesktopWindow
GetKeyState
GetProcessWindowStation
GetUserObjectInformationW
GetWindowRect
GetWindowThreadProcessId
LoadCursorW
LoadImageW
MapVirtualKeyW
MessageBoxA
MessageBoxW
MonitorFromWindow
OpenClipboard
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassW
ReleaseCapture
ReleaseDC
ScreenToClient
SendMessageTimeoutW
SetCapture
SetClipboardData
SetCursor
SetCursorPos
SetLayeredWindowAttributes
SetProcessDPIAware
SetWindowLongW
SetWindowPos
ShowWindow
SystemParametersInfoW
TranslateMessage
UnregisterClassW
UpdateWindow

kernel32

AcquireSRWLockExclusive
AreFileApisANSI
CloseHandle
CompareFileTime
CompareStringW
ConvertFiberToThread
ConvertThreadToFiber
CopyFileW
CreateDirectoryW
CreateFiber
CreateFileA
CreateFileMappingW
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFiber
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetEnvironmentVariableW
GetExitCodeThread
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetShortPathNameW
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLocaleName
GetWindowsDirectoryW
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleA
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetConsoleMode
SetEndOfFile
SetEnvironmentVariableW
SetFileAttributesW
SetFilePointerEx
SetLastError
SetPriorityClass
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToFiber
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualProtect
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcatW
lstrcpyW

shell32

CommandLineToArgvW
SHChangeNotify
ShellExecuteA
ShellExecuteExW
ShellExecuteW

ole32

CoCreateInstance
CoInitialize
CoUninitialize

d3d9

Direct3DCreate9

d3dx9_43

D3DXCreateTextureFromFileInMemoryEx
D3DXMatrixTranspose

advapi32

DeregisterEventSource
RegCloseKey
RegEnumValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegisterEventSourceW
ReportEventW

gdi32

GetDeviceCaps

imm32

ImmGetContext
ImmReleaseContext
ImmSetCompositionWindow

ws2_32

WSACleanup
WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAIoctl
WSAResetEvent
WSASetLastError
WSAStartup
WSAWaitForMultipleEvents
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostname
getnameinfo
getpeername
getsockname
getsockopt
htonl
htons
inet_pton
ioctlsocket
listen
ntohs
recv
select
send
setsockopt
shutdown
socket

crypt32

CertCloseStore
CertEnumCertificatesInStore
CertFreeCertificateContext
CertGetEnhancedKeyUsage
CertGetIntendedKeyUsage
CertOpenSystemStoreW

bcrypt

BCryptGenRandom

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 940KB - Virtual size: 940KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2.3MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 126KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

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

.rsrc
Size: 103KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a6d291eb79bfb278c30ec32008c1e54a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

kernel32

shell32

ole32

d3d9

d3dx9_43

advapi32

gdi32

imm32

ws2_32

crypt32

bcrypt

Sections

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

.rdata Size: 940KB - Virtual size: 940KB

.data Size: 2.3MB - Virtual size: 2.4MB

.pdata Size: 126KB - Virtual size: 125KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 12KB - Virtual size: 12KB

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 103KB - Virtual size: 102KB

.reloc Size: 30KB - Virtual size: 29KB

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

.rdata
Size: 940KB - Virtual size: 940KB

.data
Size: 2.3MB - Virtual size: 2.4MB

.pdata
Size: 126KB - Virtual size: 125KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 12KB - Virtual size: 12KB

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 103KB - Virtual size: 102KB

.reloc
Size: 30KB - Virtual size: 29KB