2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk

General

Target
2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk
Size 5.0MB
Sample240622-fca79aydld
SHA256 c97a7ebf7e3e033f3267b86da76b35d86172b594911359b6439c59d6924a32ae
MD5 3b61ce6dba3b4c43a31c3fe4b200ce47
SHA1 d837d650b7582ab758997d20a497627b8c245293
SHA512 cc0244a83451e7aba3bff3149350e4aa73c898872638f2ad24adb6a577f223b86c76ca95df40a55ab750212c3be3e7ececbc435be310d2d567a128153ac9ef70
SSDEEP 98304:ztqVJ9FevYYMeBFh5iFIRv2Vb84tuTjH1ocyBQPnRNJe1B+XKVbFxsSHcnEPuJKG:z6neMeR5U84U/cGRNJpystEPukG
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

File Explorer

2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk

.exe 5.0MB
goku.pyc

9KB

2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk

IMPHASH 809ea02d92fea89353f33279290e8c9f
SHA256 c97a7ebf7e3e033f3267b86da76b35d86172b594911359b6439c59d6924a32ae
MD5 3b61ce6dba3b4c43a31c3fe4b200ce47
SHA1 d837d650b7582ab758997d20a497627b8c245293
SHA512 cc0244a83451e7aba3bff3149350e4aa73c898872638f2ad24adb6a577f223b86c76ca95df40a55ab750212c3be3e7ececbc435be310d2d567a128153ac9ef70
SSDEEP 98304:ztqVJ9FevYYMeBFh5iFIRv2Vb84tuTjH1ocyBQPnRNJe1B+XKVbFxsSHcnEPuJKG:z6neMeR5U84U/cGRNJpystEPukG
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

Detects Pyinstaller

pyinstaller

PE Signature issue

Digest

9a:b8:a1:63:e8:72:8a:6b:73:5e:74:5c:0d:13:33:cc:22:05:f3:e3:cc:62:d4:41:13:ff:d7:99:ee:18:49:c4

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=goku.exe

Chains

Jun 22, 2024

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

2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk

PE Signature issue

user32

kernel32

advapi32

ws2_32

generic

goku.pyc