2024-03-26_ded7223a32c3a295d487365973ae23fa_ryuk

General

Target
2024-03-26_ded7223a32c3a295d487365973ae23fa_ryuk
Size 89KB
Sample240326-ccqq6aed7t
SHA256 c664f1e708b107fef4aecefc56b2138d1cd329617fc872db4920a15fac65ae0c
MD5 ded7223a32c3a295d487365973ae23fa
SHA1 ef1fc73aff66495f405f360d39951abe3d532b68
SHA512 82434eee19643be80e79764fa38d2a421dc9e35a786caa57cd44dee0d2e434e3e7d5be945cf3df3359294b82d547106c6450df67137e4a855fe2fcec1d2f6720
SSDEEP 1536:4xDBHGXISwLRBYNWH881IEa4HwKgm9MsWSajdc9dl6+ReeVJ08:4RBHvSUBY4coIEa4HJD9XaZUrReeVJ
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-26_ded7223a32c3a295d487365973ae23fa_ryuk

File Explorer

2024-03-26_ded7223a32c3a295d487365973ae23fa_ryuk

.exe 89KB

2024-03-26_ded7223a32c3a295d487365973ae23fa_ryuk

IMPHASH c799cba0de6fcc1a9b2c6d5642084d6f
SHA256 c664f1e708b107fef4aecefc56b2138d1cd329617fc872db4920a15fac65ae0c
MD5 ded7223a32c3a295d487365973ae23fa
SHA1 ef1fc73aff66495f405f360d39951abe3d532b68
SHA512 82434eee19643be80e79764fa38d2a421dc9e35a786caa57cd44dee0d2e434e3e7d5be945cf3df3359294b82d547106c6450df67137e4a855fe2fcec1d2f6720
SSDEEP 1536:4xDBHGXISwLRBYNWH881IEa4HwKgm9MsWSajdc9dl6+ReeVJ08:4RBHvSUBY4coIEa4HJD9XaZUrReeVJ
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

7024

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

kernel32

ExpandEnvironmentStringsA UnmapViewOfFile CreateToolhelp32Snapshot Process32NextW CreateFileA LockResource VirtualAlloc CloseHandle LoadResource FindResourceW CreateFileMappingW MapViewOfFile GetCurrentProcess SizeofResource Process32FirstW GetModuleFileNameA RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetStartupInfoW GetModuleHandleW RtlUnwindEx RtlPcToFileHeader RaiseException GetLastError SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary GetProcAddress LoadLibraryExW ExitProcess GetModuleHandleExW GetStdHandle WriteFile GetModuleFileNameW MultiByteToWideChar WideCharToMultiByte GetACP HeapFree HeapAlloc LCMapStringW FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetOEMCP GetCPInfo GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW SetStdHandle GetFileType GetStringTypeW GetProcessHeap HeapSize HeapReAlloc FlushFileBuffers GetConsoleCP GetConsoleMode SetFilePointerEx WriteConsoleW CreateFileW

advapi32

RegCloseKey RegSetValueExA RegCreateKeyA

Name

.text

Size

41KB

Virtual Size

41KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

36KB

Virtual Size

35KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gfids

Size

512B

Virtual Size

188B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

2KB

Virtual Size

1KB

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

2024-03-26_ded7223a32c3a295d487365973ae23fa_ryuk

kernel32

advapi32

generic