2024-05-29_8e133d3442ecdde88f2ac9d7dd91d985_ryuk

General

Target
2024-05-29_8e133d3442ecdde88f2ac9d7dd91d985_ryuk
Size 5.5MB
Sample240529-aw2awsbh64
SHA256 298acd9be638fd850e655c5fad7a600816c3bfc4f69052aabad14930bf9182f6
MD5 8e133d3442ecdde88f2ac9d7dd91d985
SHA1 c3b997671775e5a57e87c86e3c554b5ce1050e61
SHA512 3335f59dfe3669fa570999c201480c57f7c343c9cb21714f0e2296e499e0a2afed41b6f14c10a8b8b176fb55942e84ca36ee1ce57bf35982127d85605a770196
SSDEEP 98304:LaBFpzoLLJ3TbwaVvrZE0I86KI8F/Vtt1mIi3pRN8D8cXu21TbsFCxcfebsVN:LoF9onJ5hrZEb3e9tGPqKmTbsFCxcmbQ
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
2024-05-29_8e133d3442ecdde88f2ac9d7dd91d985_ryuk

File Explorer

2024-05-29_8e133d3442ecdde88f2ac9d7dd91d985_ryuk

.exe 5.5MB
pinjection.pyc

12KB

2024-05-29_8e133d3442ecdde88f2ac9d7dd91d985_ryuk

IMPHASH 58053a2a3020fdc7713b576ad93bf7bd
SHA256 298acd9be638fd850e655c5fad7a600816c3bfc4f69052aabad14930bf9182f6
MD5 8e133d3442ecdde88f2ac9d7dd91d985
SHA1 c3b997671775e5a57e87c86e3c554b5ce1050e61
SHA512 3335f59dfe3669fa570999c201480c57f7c343c9cb21714f0e2296e499e0a2afed41b6f14c10a8b8b176fb55942e84ca36ee1ce57bf35982127d85605a770196
SSDEEP 98304:LaBFpzoLLJ3TbwaVvrZE0I86KI8F/Vtt1mIi3pRN8D8cXu21TbsFCxcfebsVN:LoF9onJ5hrZEb3e9tGPqKmTbsFCxcmbQ
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

34388

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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

kernel32

GetModuleFileNameW GetProcAddress GetCommandLineW GetEnvironmentVariableW SetEnvironmentVariableW ExpandEnvironmentStringsW GetTempPathW WaitForSingleObject SetDllDirectoryW GetExitCodeProcess CreateProcessW GetStartupInfoW LoadLibraryExW CreateDirectoryW FormatMessageW LoadLibraryA MultiByteToWideChar WideCharToMultiByte Sleep GetLastError SetEndOfFile HeapReAlloc 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 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 GetTimeZoneInformation HeapSize RaiseException

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Name

.text

Size

132KB

Virtual Size

131KB

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

108KB

Virtual Size

108KB

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

2024-05-29_8e133d3442ecdde88f2ac9d7dd91d985_ryuk

kernel32

advapi32

ws2_32

generic

pinjection.pyc