2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk

General

Target
2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk
Size 3.8MB
Sample240625-ayd85stfrl
SHA256 90644163fc31572470ba4de120f7d1876a391958b8060e247e12238359360f60
MD5 b3a8f79153a533b59f5fdb93d312e7ab
SHA1 f882f22aafb2159c6a5618988f1732346e4a6a77
SHA512 07f4e4d801b6ad2dbc45675fefd4dd7e43dacec4a3ef1959b124ad8a930134bdf0513393abbdfce83e11db8ca7a5a7d2be54059539546c20c90269a765bdbec3
SSDEEP 98304:ZtrVJ9FevZtuTjH1yBQPnRNJe1B+XKVbFisUCcnbHJK:ZZnexU/6GRNJpzsmbHk
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk

File Explorer

2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk

.exe 3.8MB
goku.pyc

10KB

2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk

IMPHASH 809ea02d92fea89353f33279290e8c9f
SHA256 90644163fc31572470ba4de120f7d1876a391958b8060e247e12238359360f60
MD5 b3a8f79153a533b59f5fdb93d312e7ab
SHA1 f882f22aafb2159c6a5618988f1732346e4a6a77
SHA512 07f4e4d801b6ad2dbc45675fefd4dd7e43dacec4a3ef1959b124ad8a930134bdf0513393abbdfce83e11db8ca7a5a7d2be54059539546c20c90269a765bdbec3
SSDEEP 98304:ZtrVJ9FevZtuTjH1yBQPnRNJe1B+XKVbFisUCcnbHJK:ZZnexU/6GRNJpzsmbHk
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

2

Major OS version

5

Entry point

36600

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

user32

MessageBoxW MessageBoxA

kernel32

HeapReAlloc GetLastError SetDllDirectoryW GetModuleFileNameW GetProcAddress GetCommandLineW GetEnvironmentVariableW SetEnvironmentVariableW ExpandEnvironmentStringsW GetTempPathW SetEndOfFile Sleep GetExitCodeProcess CreateProcessW GetStartupInfoW LoadLibraryExW CreateDirectoryW GetShortPathNameW FormatMessageW LoadLibraryA MultiByteToWideChar WideCharToMultiByte WaitForSingleObject CreateFileW HeapSize GetTimeZoneInformation RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetModuleHandleW RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary GetCommandLineA ReadFile RaiseException GetDriveTypeW GetFileType CloseHandle PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime GetFullPathNameW GetFullPathNameA RemoveDirectoryW FindClose FindFirstFileExW FindNextFileW SetStdHandle SetConsoleCtrlHandler DeleteFileW GetStdHandle WriteFile ExitProcess GetModuleHandleExW GetACP HeapFree HeapAlloc GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleCP CompareStringW LCMapStringW GetCurrentDirectoryW FlushFileBuffers SetEnvironmentVariableA GetFileAttributesExW IsValidCodePage GetOEMCP GetCPInfo GetEnvironmentStringsW FreeEnvironmentStringsW GetStringTypeW GetProcessHeap WriteConsoleW

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Name

.text

Size

131KB

Virtual Size

131KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

61KB

Virtual Size

61KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

60KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

7KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gfids

Size

512B

Virtual Size

172B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

60KB

Virtual Size

59KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk

user32

kernel32

advapi32

ws2_32

generic

goku.pyc