2024-06-08_70569bdbc14009875c76f492600d06df_ryuk

General

Target
2024-06-08_70569bdbc14009875c76f492600d06df_ryuk
Size 27.9MB
Sample240608-xvtkzsff88
SHA256 592507d0aac4506eb11aa353b0258e094ad885856c048d942d979cb8a41686c0
MD5 70569bdbc14009875c76f492600d06df
SHA1 380cf3e0ddbf4dd11a8968a8e8faee321cd6d5db
SHA512 638dc313dc1d070926a433d6ce5047316b4be1f304728764ca05d0f2f9169deae3cdf984a8ea8eb9915253817b6ba72af32d356add13d6bf63c8e7863068e9fa
SSDEEP 786432:TxMlgoEhkp7w8Cvv+MFBHJCrQpU2pOq3AdZLtN3D7XHpJY:dMTEQ76XRPgrlGYD
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
2024-06-08_70569bdbc14009875c76f492600d06df_ryuk

File Explorer

2024-06-08_70569bdbc14009875c76f492600d06df_ryuk

.exe 27.9MB
main.pyc

4KB

2024-06-08_70569bdbc14009875c76f492600d06df_ryuk

IMPHASH e1e8417f4591da7741a300229f9e8e8b
SHA256 592507d0aac4506eb11aa353b0258e094ad885856c048d942d979cb8a41686c0
MD5 70569bdbc14009875c76f492600d06df
SHA1 380cf3e0ddbf4dd11a8968a8e8faee321cd6d5db
SHA512 638dc313dc1d070926a433d6ce5047316b4be1f304728764ca05d0f2f9169deae3cdf984a8ea8eb9915253817b6ba72af32d356add13d6bf63c8e7863068e9fa
SSDEEP 786432:TxMlgoEhkp7w8Cvv+MFBHJCrQpU2pOq3AdZLtN3D7XHpJY:dMTEQ76XRPgrlGYD
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

34564

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 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

131KB

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

118KB

Virtual Size

118KB

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

2024-06-08_70569bdbc14009875c76f492600d06df_ryuk

kernel32

advapi32

ws2_32

generic

main.pyc