2024-06-07_8d2ef4f6ad35f95ffbbb12f4b482631b_ryuk

General

Target
2024-06-07_8d2ef4f6ad35f95ffbbb12f4b482631b_ryuk
Size 13.7MB
Sample240607-b4jaqafe5t
SHA256 c45332a8a375aed775e1f5399d74c318cd874efa9941ec7dab8ef9f0ec1997b4
MD5 8d2ef4f6ad35f95ffbbb12f4b482631b
SHA1 16b56befb0e23866b0fc55c7e0105f97b6c67094
SHA512 4a44dd201b8c66c1e45632b545e5fac9ff8998ee01e59a8e51e87eafd106a8c6a147f10fef152ed4fb39bceb52e0074e37bd2cd35953f41f57986e46f7f86454
SSDEEP 393216:R4nVzt+SC8d9vqZQCBBGStN3ZWqDzTGfb4:RyztlCl1TVtN3VP
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_8d2ef4f6ad35f95ffbbb12f4b482631b_ryuk

File Explorer

2024-06-07_8d2ef4f6ad35f95ffbbb12f4b482631b_ryuk

.exe 13.7MB
2.pyc

4KB
modules.pyc

1KB

2024-06-07_8d2ef4f6ad35f95ffbbb12f4b482631b_ryuk

IMPHASH b0d2bcfaf69e32f6189b93d5e3f439ad
SHA256 c45332a8a375aed775e1f5399d74c318cd874efa9941ec7dab8ef9f0ec1997b4
MD5 8d2ef4f6ad35f95ffbbb12f4b482631b
SHA1 16b56befb0e23866b0fc55c7e0105f97b6c67094
SHA512 4a44dd201b8c66c1e45632b545e5fac9ff8998ee01e59a8e51e87eafd106a8c6a147f10fef152ed4fb39bceb52e0074e37bd2cd35953f41f57986e46f7f86454
SSDEEP 393216:R4nVzt+SC8d9vqZQCBBGStN3ZWqDzTGfb4:RyztlCl1TVtN3VP
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

35144

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

GetModuleFileNameW GetProcAddress GetCommandLineW GetEnvironmentVariableW SetEnvironmentVariableW ExpandEnvironmentStringsW CreateDirectoryW GetTempPathW WaitForSingleObject Sleep SetDllDirectoryW CreateProcessW GetStartupInfoW LoadLibraryExW CloseHandle GetCurrentProcess LocalFree FormatMessageW LoadLibraryA MultiByteToWideChar WideCharToMultiByte GetLastError HeapReAlloc SetEndOfFile GetExitCodeProcess GetCommandLineA HeapSize GetTimeZoneInformation RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetModuleHandleW RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary RaiseException ReadFile CreateFileW GetDriveTypeW GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime GetFullPathNameW 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

ConvertSidToStringSidW GetTokenInformation OpenProcessToken ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Name

.text

Size

129KB

Virtual Size

129KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

62KB

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

68KB

Virtual Size

67KB

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_8d2ef4f6ad35f95ffbbb12f4b482631b_ryuk

user32

kernel32

advapi32

ws2_32

generic

2.pyc

modules.pyc