2024-06-13_47a696a4702a5e32e8310fff71a670ba_ryuk

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General

Target
2024-06-13_47a696a4702a5e32e8310fff71a670ba_ryuk
Size 1.6MB
Sample240613-e2h4qaxgjm
SHA256 ee74127b4fb9304e3596b672376d4d7543d6d96ed80e90c0a86ff5bcbafae45e
MD5 47a696a4702a5e32e8310fff71a670ba
SHA1 1e82bb428cdb5c63d15b45e27de8c0007d35b8fd
SHA512 c7a202a9f28a9361248134b5f96ee3977e5c72e2374cbbaca0034c559dcbb9aca726cf26f0ba8720bbbb03ab23d5378bb81c97fc388c91ec4fa6db651213823e
SSDEEP 24576:LH8U+SAYa2zFMRzEVwBA1cuMjMQ+zTZYr+sRjhm0Ijr/eax8JXO02q3A:LcUBxFMRzEQA13MgL/hEjhMjSax84
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-13_47a696a4702a5e32e8310fff71a670ba_ryuk

File Explorer

2024-06-13_47a696a4702a5e32e8310fff71a670ba_ryuk

.exe 1.6MB

2024-06-13_47a696a4702a5e32e8310fff71a670ba_ryuk

IMPHASH 140ff2ef9713229377b0108ca6c1aa4e
SHA256 ee74127b4fb9304e3596b672376d4d7543d6d96ed80e90c0a86ff5bcbafae45e
MD5 47a696a4702a5e32e8310fff71a670ba
SHA1 1e82bb428cdb5c63d15b45e27de8c0007d35b8fd
SHA512 c7a202a9f28a9361248134b5f96ee3977e5c72e2374cbbaca0034c559dcbb9aca726cf26f0ba8720bbbb03ab23d5378bb81c97fc388c91ec4fa6db651213823e
SSDEEP 24576:LH8U+SAYa2zFMRzEVwBA1cuMjMQ+zTZYr+sRjhm0Ijr/eax8JXO02q3A:LcUBxFMRzEQA13MgL/hEjhMjSax84
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

408800

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

C:\b\s\w\ir\cache\builder\src\out\Release_x64\chrome_proxy.exe.pdb

advapi32

CreateProcessAsUserW RegCloseKey RegOpenKeyExW RegQueryValueExW

kernel32

AcquireSRWLockExclusive AssignProcessToJobObject CloseHandle CompareStringW CreateEventW CreateFileW CreateProcessW CreateThread DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExitThread ExpandEnvironmentStringsW FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageW FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDateFormatW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileSizeEx GetFileType GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHeap GetProcessId GetProductInfo GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDirectoryW GetSystemInfo GetSystemTimeAsFileTime GetTempPathW GetThreadPriority GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetVersionExW GetWindowsDirectoryW InitOnceExecuteOnce InitializeCriticalSectionAndSpinCount InitializeProcThreadAttributeList InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LocalFree MultiByteToWideChar OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetEnvironmentVariableW SetFilePointerEx SetHandleInformation SetLastError SetStdHandle SetThreadInformation SetThreadPriority SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SwitchToThread TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryAcquireSRWLockExclusive UnhandledExceptionFilter UnregisterWaitEx UpdateProcThreadAttribute VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForSingleObject WakeAllConditionVariable WakeConditionVariable WideCharToMultiByte WriteConsoleW WriteFile lstrlenA

userenv

CreateEnvironmentBlock DestroyEnvironmentBlock

user32

AllowSetForegroundWindow GetActiveWindow

shell32

CommandLineToArgvW SHGetFolderPathW SHGetKnownFolderPath ShellExecuteExW

winmm

timeGetTime

ole32

CoTaskMemFree

Name

.text

Size

771KB

Virtual Size

771KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

166KB

Virtual Size

165KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

58KB

Virtual Size

93KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

29KB

Virtual Size

28KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gxfg

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

140B

Characteristics

Name

.tls

Size

512B

Virtual Size

369B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

572KB

Virtual Size

576KB

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

2024-06-13_47a696a4702a5e32e8310fff71a670ba_ryuk

advapi32

kernel32

userenv

user32

shell32

winmm

ole32

generic