2024-04-23_961c740c5c481fc9e341413ec7b0cc4d_ryuk

Sharing

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General

Target

2024-04-23_961c740c5c481fc9e341413ec7b0cc4d_ryuk
Size

2.0MB
MD5

961c740c5c481fc9e341413ec7b0cc4d
SHA1

793cf2dc6d7c6606283dcf65476d8d233c3301f9
SHA256

408c0664cf1980f839a7ef96edad48e9f0eab18d59f4ea4b50b7c266b8f71b8c
SHA512

b57fb55c1499c64ceecb51b90634eab87a3d860ab27a6c57495c1e906ae861bdedad7927c6cd8119a6d93f91b985253469305b89865275019bf023bdc70a414c
SSDEEP

24576:NZgljvBSNwVFPZdKsFgjnvOKqpG2GCM8AH6wK8Iy0:NZEjBSYZdKsmTvO9pLU0b

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-23_961c740c5c481fc9e341413ec7b0cc4d_ryuk

Files

2024-04-23_961c740c5c481fc9e341413ec7b0cc4d_ryuk
.exe windows:6 windows x64 arch:x64

75cf0d77b196b6059f4f2593ecbbc1a6

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

C:\Great-Engine\Vulkan\1.0.5.0\Samples\API-Samples\Debug\03-First_Triangle.pdb

Imports

kernel32

LoadLibraryA
GetProcAddress
FreeLibrary
SetEndOfFile
CreateFileW
ReadConsoleW
SetStdHandle
FindNextFileW
FindNextFileA
FindFirstFileExW
FindFirstFileExA
FindClose
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
FormatMessageW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
MultiByteToWideChar
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetModuleHandleW
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
RaiseException
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
RtlPcToFileHeader
RtlUnwindEx
LoadLibraryExW
GetModuleFileNameW
InterlockedPushEntrySList
InterlockedFlushSList
HeapSize
HeapValidate
GetSystemInfo
GetModuleFileNameA
GetModuleHandleExW
ExitProcess
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
GetCurrentThread
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
HeapReAlloc
HeapQueryInformation
OutputDebugStringA
OutputDebugStringW
WriteConsoleW
CreateThread
SetConsoleCtrlHandler
GetTimeZoneInformation
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
GetModuleHandleA

user32

LoadCursorA
UpdateWindow
ShowWindow
DestroyWindow
CreateWindowExA
RegisterClassExA
UnregisterClassA
DefWindowProcA
PostMessageA
PeekMessageA
DispatchMessageA
TranslateMessage

advapi32

SystemFunction036

Sections

.text
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 379KB - Virtual size: 379KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 80KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 1024B - Virtual size: 777B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 283B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

75cf0d77b196b6059f4f2593ecbbc1a6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

Sections

.text Size: 1.5MB - Virtual size: 1.5MB

.rdata Size: 379KB - Virtual size: 379KB

.data Size: 10KB - Virtual size: 22KB

.pdata Size: 80KB - Virtual size: 79KB

.idata Size: 5KB - Virtual size: 5KB

.tls Size: 1024B - Virtual size: 777B

.00cfg Size: 512B - Virtual size: 283B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 11KB - Virtual size: 11KB

.text
Size: 1.5MB - Virtual size: 1.5MB

.rdata
Size: 379KB - Virtual size: 379KB

.data
Size: 10KB - Virtual size: 22KB

.pdata
Size: 80KB - Virtual size: 79KB

.idata
Size: 5KB - Virtual size: 5KB

.tls
Size: 1024B - Virtual size: 777B

.00cfg
Size: 512B - Virtual size: 283B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 11KB - Virtual size: 11KB