2024-06-07_56a61ec905a38e792f1f9a8dda82a481_ryuk

General

Target
2024-06-07_56a61ec905a38e792f1f9a8dda82a481_ryuk
Size 30.4MB
Sample240607-hpnefsda87
SHA256 cd6895d9d9102ea27dac2c4208dacb42efe9a21960e5794880c211726ecf3e6e
MD5 56a61ec905a38e792f1f9a8dda82a481
SHA1 da90c55e522b6be898c50c803ff6c28ccf93f456
SHA512 df593826009da836bcefa9353275d6ff5d728984ccf759f9c92e423778b8aec20adf2adca2e6c1e9f872c0f33978b5060554b1f24128cf9052ed3be4aacf1103
SSDEEP 786432:BYUbmEhkUXAF9nysQpr+kYAdZk+tN3DImWX:GUyE1XK9ntDkykE
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
2024-06-07_56a61ec905a38e792f1f9a8dda82a481_ryuk

File Explorer

2024-06-07_56a61ec905a38e792f1f9a8dda82a481_ryuk

.exe 30.4MB
main.pyc

16KB

2024-06-07_56a61ec905a38e792f1f9a8dda82a481_ryuk

IMPHASH ba54e48d0f0346b349e9f7a2c8ecaf5c
SHA256 cd6895d9d9102ea27dac2c4208dacb42efe9a21960e5794880c211726ecf3e6e
MD5 56a61ec905a38e792f1f9a8dda82a481
SHA1 da90c55e522b6be898c50c803ff6c28ccf93f456
SHA512 df593826009da836bcefa9353275d6ff5d728984ccf759f9c92e423778b8aec20adf2adca2e6c1e9f872c0f33978b5060554b1f24128cf9052ed3be4aacf1103
SSDEEP 786432:BYUbmEhkUXAF9nysQpr+kYAdZk+tN3DImWX:GUyE1XK9ntDkykE
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

34824

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 FormatMessageW LoadLibraryA MultiByteToWideChar WideCharToMultiByte WaitForSingleObject GetDriveTypeW 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 CreateFileW RaiseException 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

130KB

Virtual Size

129KB

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

44KB

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

2024-06-07_56a61ec905a38e792f1f9a8dda82a481_ryuk

user32

kernel32

advapi32

ws2_32

generic

main.pyc