2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

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General

Target
2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk
Size 4.1MB
Sample241209-b7gajasmhp
SHA256 34bf15220b0259eb2ed1d024f6e5e2ada2bd0a0501d0c1931e4097a787bb634b
MD5 c55ce8a5016e1628887b48bbd1beb923
SHA1 60ad46da825e8a59f5b1c5b59795c8f0273c8d06
SHA512 4388dcbb5be669b8dab78ffa59a184d5a508455ac932b7d992a38014dc89cdee09f8f94720d0284f6033bf1dccf113b5a557c1da2a4917cc42c964cddeb2de79
SSDEEP 49152:Xl4UjB0jUuoO+BxK2/VJTe1LK+vBmGKOWB11MaXEcA:14UjKguGA
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

File Explorer

2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

.exe 4.1MB

2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

IMPHASH ce5eab935d79deb808c783e73ea12cf9
SHA256 34bf15220b0259eb2ed1d024f6e5e2ada2bd0a0501d0c1931e4097a787bb634b
MD5 c55ce8a5016e1628887b48bbd1beb923
SHA1 60ad46da825e8a59f5b1c5b59795c8f0273c8d06
SHA512 4388dcbb5be669b8dab78ffa59a184d5a508455ac932b7d992a38014dc89cdee09f8f94720d0284f6033bf1dccf113b5a557c1da2a4917cc42c964cddeb2de79
SSDEEP 49152:Xl4UjB0jUuoO+BxK2/VJTe1LK+vBmGKOWB11MaXEcA:14UjKguGA
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

327120

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

user32

GetRawInputDeviceInfoW GetRawInputDeviceList

kernel32

AcquireSRWLockExclusive AreFileApisANSI CloseHandle CreateFileMappingW CreateFileW CreateProcessA DecodePointer DeleteCriticalSection EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess FindClose FindFirstFileExW FindFirstFileW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageA FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetFileAttributesExW GetFileInformationByHandleEx GetFileSizeEx GetFileType GetLastError GetLocaleInfoEx GetLocaleInfoW GetModuleFileNameA GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemInfo GetSystemTimeAsFileTime GetThreadContext GetUserDefaultLCID GlobalAlloc GlobalFree HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale K32EnumDeviceDrivers K32GetDeviceDriverBaseNameW LCMapStringEx LCMapStringW LeaveCriticalSection LoadLibraryA LoadLibraryExW LocalFree MapViewOfFile MultiByteToWideChar QueryPerformanceCounter RaiseException ReadConsoleW ReadFile ReadProcessMemory ReleaseSRWLockExclusive ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetFilePointerEx SetLastError SetStdHandle SetThreadContext SetUnhandledExceptionFilter TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryAcquireSRWLockExclusive UnhandledExceptionFilter UnmapViewOfFile VirtualAlloc VirtualAllocEx VirtualFree VirtualProtect VirtualQuery VirtualQueryEx WideCharToMultiByte WriteConsoleW WriteFile WriteProcessMemory

mpr

WNetCloseEnum WNetEnumResourceA WNetOpenEnumA

Name

.text

Size

484KB

Virtual Size

484KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

3.5MB

Virtual Size

3.5MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

7KB

Virtual Size

13KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

25KB

Virtual Size

25KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.00cfg

Size

512B

Virtual Size

56B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gxfg

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

140B

Characteristics

Name

.tls

Size

512B

Virtual Size

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

512B

Virtual Size

424B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

8KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

user32

kernel32

mpr

generic