2024-10-17_2dd1fa93ea1de9e0f3f63398b68b7082_ryuk

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General

Target
2024-10-17_2dd1fa93ea1de9e0f3f63398b68b7082_ryuk
Size 1.2MB
Sample241017-xevhcazbnf
SHA256 9fe2ddff645e5b1ead3ddcd677110dd70e46d448407c5d7f8fc20d49474c40d3
MD5 2dd1fa93ea1de9e0f3f63398b68b7082
SHA1 ab0e0c3764b4d327adc576498defd8293c2ed2ad
SHA512 b5502f85d840eb045858bc42626ebd8fcdf455daa777c47e6605e895a2d03bcc8db6c48289b73226885212fc35b779bdf4a017ed515fc2c464c7fa85c2326cf2
SSDEEP 24576:B2hrQlzH8xE1NySvMsqjnhMgeiCl7G0nehbGZpbD:B2hrQlzH8xEiA4Dmg27RnWGj
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-17_2dd1fa93ea1de9e0f3f63398b68b7082_ryuk

File Explorer

2024-10-17_2dd1fa93ea1de9e0f3f63398b68b7082_ryuk

.exe 1.2MB

2024-10-17_2dd1fa93ea1de9e0f3f63398b68b7082_ryuk

IMPHASH 11f57a930c6c1c353c2d1d9f9b8cb448
SHA256 9fe2ddff645e5b1ead3ddcd677110dd70e46d448407c5d7f8fc20d49474c40d3
MD5 2dd1fa93ea1de9e0f3f63398b68b7082
SHA1 ab0e0c3764b4d327adc576498defd8293c2ed2ad
SHA512 b5502f85d840eb045858bc42626ebd8fcdf455daa777c47e6605e895a2d03bcc8db6c48289b73226885212fc35b779bdf4a017ed515fc2c464c7fa85c2326cf2
SSDEEP 24576:B2hrQlzH8xE1NySvMsqjnhMgeiCl7G0nehbGZpbD:B2hrQlzH8xEiA4Dmg27RnWGj
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

23600

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

GoogleUpdateComRegisterShell64_unsigned.pdb

advapi32

RegCloseKey RegOverridePredefKey RegOpenKeyExW

kernel32

FreeEnvironmentStringsW SetStdHandle GetConsoleCP GetConsoleMode SetFilePointerEx WriteConsoleW GetEnvironmentStringsW GetCommandLineA GetOEMCP IsValidCodePage FindNextFileA FindFirstFileExA GetFileType GetACP FindResourceW SizeofResource LockResource LoadResource GetProcAddress GetModuleHandleW FindResourceExW DeleteCriticalSection InitializeCriticalSectionAndSpinCount GetProcessHeap HeapSize HeapFree HeapReAlloc HeapAlloc HeapDestroy GetLastError RaiseException DecodePointer GetCommandLineW GetModuleHandleExW VirtualQuery GetModuleFileNameW GetCurrentProcessId CloseHandle LocalFree LoadLibraryW GetCurrentProcess SetLastError GetTickCount GetEnvironmentVariableW lstrcmpiW FreeLibrary FindClose TerminateProcess Sleep lstrlenW MultiByteToWideChar WideCharToMultiByte GetFileAttributesExW GetCurrentThreadId OutputDebugStringA GetPrivateProfileIntW GetPrivateProfileStringW OutputDebugStringW CreateFileW WriteFile InitializeCriticalSection EnterCriticalSection TryEnterCriticalSection LeaveCriticalSection GetSystemTimeAsFileTime FlushFileBuffers IsDebuggerPresent ExitProcess GetStdHandle GlobalAlloc GlobalLock GlobalUnlock GlobalFree RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter IsProcessorFeaturePresent QueryPerformanceCounter InitializeSListHead GetStartupInfoW EncodePointer TlsAlloc TlsGetValue TlsSetValue TlsFree LCMapStringW GetStringTypeW GetCPInfo RtlUnwindEx RtlPcToFileHeader LoadLibraryExW GetModuleFileNameA

user32

CharLowerBuffW MessageBoxW wsprintfW OpenClipboard EmptyClipboard SetClipboardData CloseClipboard

shlwapi

PathStripPathW PathRemoveFileSpecW PathRemoveExtensionW PathAppendW

shell32

CommandLineToArgvW

Name

.text

Size

80KB

Virtual Size

79KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

66KB

Virtual Size

65KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gfids

Size

512B

Virtual Size

268B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1.1MB

Virtual Size

1.1MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

2024-10-17_2dd1fa93ea1de9e0f3f63398b68b7082_ryuk

advapi32

kernel32

user32

shlwapi

shell32

generic