2024-05-16_3849f4bcef666a762e5f2c80c526f20e_ryuk

Sharing

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General

Target

2024-05-16_3849f4bcef666a762e5f2c80c526f20e_ryuk
Size

1.3MB
MD5

3849f4bcef666a762e5f2c80c526f20e
SHA1

c996e31485b21b65d9f49da85f51add9693b1124
SHA256

62a653ff8e81f7ed05a1415a2ea679a993d5c1b0abd0ea93aff82dc10142629f
SHA512

74f7f0d945c67f8ea34960ec99d81bdd0ab81c75dd41c05a86883e20a70e067bdd930a850238876e66d301381c569188d91e1ff7590f9a1dd5b9395ea4bec379
SSDEEP

24576:J7Tpx2GYpKhl8taku9JwxPQtAUyuvem8XL4WcQTtKX+1OY:J7TRSKP8talPwxPNvuGmu1czXG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-16_3849f4bcef666a762e5f2c80c526f20e_ryuk

Files

2024-05-16_3849f4bcef666a762e5f2c80c526f20e_ryuk
.exe windows:5 windows x64 arch:x64

65d9eed6b14977e0a73289aee5991d75

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

Imports

kernel32

CloseHandle
GetSystemInfo
CreateThread
GetProcAddress
GetModuleHandleW
VirtualProtect
VirtualFree
VirtualAlloc
LocalAlloc
LocalFree
VirtualQuery
SizeofResource
GetExitCodeThread
WriteFile
GetShortPathNameW
LeaveCriticalSection
InitializeCriticalSection
SetFilePointer
CreateFileW
Sleep
LockResource
LoadLibraryW
LoadResource
FindResourceW
GetTempFileNameW
FindClose
GetTempPathW
WaitForMultipleObjects
FindNextFileW
EnterCriticalSection
RaiseException
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetLastError
GetModuleFileNameW
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
DeleteCriticalSection
GetStdHandle
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
HeapReAlloc
FindFirstFileExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
FlushFileBuffers
FindFirstFileW

advapi32

SystemFunction036
RegCloseKey
RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExW

ole32

CoUninitialize
CoInitializeEx

mscoree

CLRCreateInstance

Sections

.text
Size: 59KB - Virtual size: 59KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 48KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

65d9eed6b14977e0a73289aee5991d75

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ole32

mscoree

Sections

.text Size: 59KB - Virtual size: 59KB

.rdata Size: 48KB - Virtual size: 48KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 168B

.rsrc Size: 1.2MB - Virtual size: 1.2MB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 59KB - Virtual size: 59KB

.rdata
Size: 48KB - Virtual size: 48KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 168B

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

.reloc
Size: 2KB - Virtual size: 1KB