2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk

General

Target
2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk
Size 11.0MB
Sample240510-aszynabb92
SHA256 bc28a9c3ab8c1e7e13f6634c1eff7bed34d3dec2f5979f25101270303e69d06e
MD5 3d70017a2b6d0c6859d7004b651a5d7a
SHA1 f954835541b5a2e7863091a626007f3df181a3ed
SHA512 6fa6f871e61ce7294db6e1dee046b62fd4cf515c615fb5d63a1db207f5d976c41720e9124f607b7a928b058dff93bd2056b84eef955a8c01baa7767244ca6140
SSDEEP 196608:EVFLHg8HxKtyCTFdynneMeR5U8kB1eLOPwdrhEVSL2v8hpffR5vSGRNJpoEzoCDh:OgQxiyKunnQDQBPw5aVSLo8phZS0yEEG
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
2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk

File Explorer

2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk

.exe 11.0MB
stub.pyc

5.1MB

2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk

IMPHASH 94984869e1c4b93c0069850d9e3b564b
SHA256 bc28a9c3ab8c1e7e13f6634c1eff7bed34d3dec2f5979f25101270303e69d06e
MD5 3d70017a2b6d0c6859d7004b651a5d7a
SHA1 f954835541b5a2e7863091a626007f3df181a3ed
SHA512 6fa6f871e61ce7294db6e1dee046b62fd4cf515c615fb5d63a1db207f5d976c41720e9124f607b7a928b058dff93bd2056b84eef955a8c01baa7767244ca6140
SSDEEP 196608:EVFLHg8HxKtyCTFdynneMeR5U8kB1eLOPwdrhEVSL2v8hpffR5vSGRNJpoEzoCDh:OgQxiyKunnQDQBPw5aVSLo8phZS0yEEG
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

36008

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

GetFileType SetEndOfFile HeapReAlloc GetLastError SetDllDirectoryW GetModuleFileNameW GetProcAddress GetCommandLineW GetEnvironmentVariableW SetEnvironmentVariableW ExpandEnvironmentStringsW GetTempPathW WaitForSingleObject Sleep GetExitCodeProcess CreateProcessW GetStartupInfoW LoadLibraryExW GetShortPathNameW FormatMessageW LoadLibraryA MultiByteToWideChar WideCharToMultiByte 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 GetDriveTypeW RaiseException CloseHandle PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime GetFullPathNameW GetFullPathNameA CreateDirectoryW 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

ws2_32

ntohl

Name

.text

Size

131KB

Virtual Size

130KB

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

79KB

Virtual Size

79KB

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

2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk

user32

kernel32

ws2_32

generic

stub.pyc