2024-06-01_ef0f9b2a3afd1d9f10c1861670f64e7a_ryuk

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General

Target

2024-06-01_ef0f9b2a3afd1d9f10c1861670f64e7a_ryuk
Size

608KB
MD5

ef0f9b2a3afd1d9f10c1861670f64e7a
SHA1

4262a034e265825dfdd363d833f7250546867288
SHA256

ae106eebb32b90da37eb6bd6cb78526fcbf9c8e1103b298a4a1b60dbc985dce1
SHA512

531d3bc33c18865a40026500e8a797cbd53c457636ee39a83f4fe9dbb458e625c703870e55c2f2c257f36c6920218b4b818cd8dae2ad708601697c1ea81b7681
SSDEEP

12288:alWfyj91zKvJzDv79B5E+YbME/3wk0cC3SwoL5jlXL:sLj/z0xL79B5E+YbME/3wkTC3SfL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-01_ef0f9b2a3afd1d9f10c1861670f64e7a_ryuk

Files

2024-06-01_ef0f9b2a3afd1d9f10c1861670f64e7a_ryuk
.exe windows:5 windows x64 arch:x64

c26bcfcf9d0fcb2d4b02a4297aa1863c

Headers

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

D:\C-DEV\QLSI\bin\Intel C++ Compiler 16.0\Kunde\x64\calc_ex.pdb

Imports

kernel32

WriteConsoleW
SetEndOfFile
HeapReAlloc
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetModuleHandleW
GetProcAddress
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
FormatMessageA
LoadLibraryA
GetThreadLocale
InitializeCriticalSection
LoadLibraryExA
GetModuleHandleExA
GetEnvironmentVariableA
RtlPcToFileHeader
RaiseException
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
EncodePointer
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
MultiByteToWideChar
ExitProcess
GetModuleHandleExW
WideCharToMultiByte
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
GetCurrentThread
GetFileType
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
GetProcessHeap
SetConsoleCtrlHandler
OutputDebugStringA
OutputDebugStringW
CreateThread
FindClose
FindFirstFileExA
FindFirstFileExW
FindNextFileA
FindNextFileW
SetStdHandle
GetStringTypeW
CreateFileW
GetConsoleCP
GetConsoleMode
SetFilePointerEx
FlushFileBuffers
ReadFile
ReadConsoleW
HeapSize
GetModuleFileNameA

user32

CharUpperBuffW
MessageBoxA
CharUpperBuffA

advapi32

SystemFunction036

Sections

.text
Size: 418KB - Virtual size: 418KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 112KB - Virtual size: 111KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data1
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.debug_o
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c26bcfcf9d0fcb2d4b02a4297aa1863c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

Sections

.text Size: 418KB - Virtual size: 418KB

.rdata Size: 112KB - Virtual size: 111KB

.data Size: 26KB - Virtual size: 35KB

.pdata Size: 26KB - Virtual size: 26KB

.data1 Size: 11KB - Virtual size: 11KB

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 4KB - Virtual size: 4KB

.debug_o Size: 1KB - Virtual size: 1KB

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 418KB - Virtual size: 418KB

.rdata
Size: 112KB - Virtual size: 111KB

.data
Size: 26KB - Virtual size: 35KB

.pdata
Size: 26KB - Virtual size: 26KB

.data1
Size: 11KB - Virtual size: 11KB

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 4KB - Virtual size: 4KB

.debug_o
Size: 1KB - Virtual size: 1KB

.reloc
Size: 6KB - Virtual size: 6KB