2024-06-07_692f961835e3ef185240337bfb59e0f5_ryuk

General

Target
2024-06-07_692f961835e3ef185240337bfb59e0f5_ryuk
Size 6.9MB
Sample240607-bwwabafc4v
SHA256 c62212a2235e0a756cba011c9bf0d96d87ee89fdcf954cf2a9939083a83f9c48
MD5 692f961835e3ef185240337bfb59e0f5
SHA1 daa54b9e9b058ef92714a65dd3b8b45ef449453d
SHA512 eaf0f1250ab310d5ef100ced076d5cff6baaffea75184821ba442dae30672e8f80d9a3895f7ba283e64f08232c530974ce4e36c5f4449d72ab4ac9a3078d5a4c
SSDEEP 196608:YSDUf4VuWJysVYvsOgtdIQLOMIdiwkkT6Fb9pbS:/U4cWJvtaL/dvT6B9h
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_692f961835e3ef185240337bfb59e0f5_ryuk

File Explorer

2024-06-07_692f961835e3ef185240337bfb59e0f5_ryuk

.exe 6.9MB
RAT.pyc

903B

2024-06-07_692f961835e3ef185240337bfb59e0f5_ryuk

IMPHASH 58053a2a3020fdc7713b576ad93bf7bd
SHA256 c62212a2235e0a756cba011c9bf0d96d87ee89fdcf954cf2a9939083a83f9c48
MD5 692f961835e3ef185240337bfb59e0f5
SHA1 daa54b9e9b058ef92714a65dd3b8b45ef449453d
SHA512 eaf0f1250ab310d5ef100ced076d5cff6baaffea75184821ba442dae30672e8f80d9a3895f7ba283e64f08232c530974ce4e36c5f4449d72ab4ac9a3078d5a4c
SSDEEP 196608:YSDUf4VuWJysVYvsOgtdIQLOMIdiwkkT6Fb9pbS:/U4cWJvtaL/dvT6B9h
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

59KB

Virtual Size

58KB

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_692f961835e3ef185240337bfb59e0f5_ryuk

kernel32

advapi32

ws2_32

generic

RAT.pyc