2024-08-23_1395f7c8fdea81ff7e2efdf57834b16c_ryuk

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General

Target

2024-08-23_1395f7c8fdea81ff7e2efdf57834b16c_ryuk
Size

2.3MB
MD5

1395f7c8fdea81ff7e2efdf57834b16c
SHA1

f44fb16d9940e17009ac9cbde48c0d204199bef4
SHA256

ca6d3b72c282553de6ed10b91977fa56e4b44b4c11167965fc5cb719926f61ef
SHA512

510a7cb5d35d7d3e7e91d391c3c5bd726aa6e970dc2a8d1ad0fe2aa72a119f1f836a3edbe96711947e558bceaf6d68288c2089f0783a3eedb27686862f2f01f4
SSDEEP

49152:ArNgE013OzkbOJ93KKlrjhLMekjsVc2ot4+Ej2ED+l3eriQkELNiXicJFFRGNzj3:DKJlMekjsVc2ot4+Ej2ED+l3eOE7wRGN

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-23_1395f7c8fdea81ff7e2efdf57834b16c_ryuk

Files

2024-08-23_1395f7c8fdea81ff7e2efdf57834b16c_ryuk
.exe windows:6 windows x64 arch:x64

a656333ea6c3b251bd2419080b19155b

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:\j\msdk\build\Khronos-Tools\repo\build\vulkaninfo\RelWithDebInfo\vulkaninfo.pdb

Imports

kernel32

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

user32

LoadCursorA
MonitorFromWindow

gdi32

GetStockObject

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 375KB - Virtual size: 375KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 47KB - Virtual size: 47KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.cfguard
Size: 8KB - Virtual size: 8KB

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 576KB - Virtual size: 580KB

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

a656333ea6c3b251bd2419080b19155b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 375KB - Virtual size: 375KB

.data Size: 10KB - Virtual size: 21KB

.pdata Size: 47KB - Virtual size: 47KB

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

.cfguard Size: 8KB - Virtual size: 8KB

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

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

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 576KB - Virtual size: 580KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 375KB - Virtual size: 375KB

.data
Size: 10KB - Virtual size: 21KB

.pdata
Size: 47KB - Virtual size: 47KB

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

.cfguard
Size: 8KB - Virtual size: 8KB

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

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

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 576KB - Virtual size: 580KB