2024-01-25_d918139292b2e77fc51dee6035cc80c9_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-01-25_d918139292b2e77fc51dee6035cc80c9_ryuk
Size

7.2MB
MD5

d918139292b2e77fc51dee6035cc80c9
SHA1

2d51432551ad6296733e474ce6a6fec8c1fe00b0
SHA256

9cf256a7179159805fdf1d3a3b1470f375f30cf1951b51809a86ae4a7a32e742
SHA512

d36a91ddcbaa73f9e7b548a7c9b7b7b67019b53782cd6c4aa3fcf0eaab6864a3fc82a583d0564e4c7e934115f49c4595d6ad2ad234a2c5d9444ba686edc6881b
SSDEEP

98304:4oLOLCqAUpv7WMO/04T4R4gHj/H/rn2oKensvFfjlrfOPW+q:BOLYSTWh/VTeHj/H/729ensfbGq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-25_d918139292b2e77fc51dee6035cc80c9_ryuk

Files

2024-01-25_d918139292b2e77fc51dee6035cc80c9_ryuk
.exe windows:6 windows x64 arch:x64

bffb235bfdbd820fd3f6aa52cf4bd70d

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

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
CreateEventW
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
InitializeSRWLock
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleA
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetConsoleMode
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetLastError
SetPriorityClass
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepEx
SwitchToFiber
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualProtect
WaitForSingleObjectEx
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

bcrypt

BCryptGenRandom

crypt32

CertCloseStore
CertEnumCertificatesInStore
CertFreeCertificateContext
CertGetEnhancedKeyUsage
CertGetIntendedKeyUsage
CertOpenSystemStoreW

Sections

.text
Size: 3.6MB - Virtual size: 3.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1004KB - Virtual size: 1004KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 133KB - Virtual size: 133KB

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: 348B

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: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bffb235bfdbd820fd3f6aa52cf4bd70d

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

shell32

ole32

d3d9

d3dx9_43

advapi32

gdi32

imm32

ws2_32

bcrypt

crypt32

Sections

.text Size: 3.6MB - Virtual size: 3.6MB

.rdata Size: 1004KB - Virtual size: 1004KB

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

.pdata Size: 133KB - Virtual size: 133KB

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

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

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

_RDATA Size: 512B - Virtual size: 348B

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

.reloc Size: 33KB - Virtual size: 32KB

.text
Size: 3.6MB - Virtual size: 3.6MB

.rdata
Size: 1004KB - Virtual size: 1004KB

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

.pdata
Size: 133KB - Virtual size: 133KB

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

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

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

_RDATA
Size: 512B - Virtual size: 348B

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

.reloc
Size: 33KB - Virtual size: 32KB