2024-08-06_572fb5882f580ed2cfe33bdec95b621d_ryuk

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General

Target

2024-08-06_572fb5882f580ed2cfe33bdec95b621d_ryuk
Size

91KB
MD5

572fb5882f580ed2cfe33bdec95b621d
SHA1

e080244c4279eacf111c2019cd06bd399ff5292f
SHA256

421cee317b744b4f486cb631c2a0386532eebf569b1cffd5fbe8dfb3f680a9db
SHA512

37f9563ff401bf9211ab24151582d1308f282d9eed298b423ec733d3bc3f63237569345732d09a6cc992fab72367d6e2e2104aa2c9107f239c680a308d9a9b4f
SSDEEP

1536:6uRFSPMJQAS2K7+gZfkEgaIwgKG1sWVdc9dlDXnGa9VhR68x8:6uzSPwq7BFkErHRGHUl3t9VhRZ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-06_572fb5882f580ed2cfe33bdec95b621d_ryuk

Files

2024-08-06_572fb5882f580ed2cfe33bdec95b621d_ryuk
.exe windows:6 windows x64 arch:x64

a82ebc37d5c19d5bcb206bf2ffc4be24

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

Thread32First
OpenProcess
CreateToolhelp32Snapshot
Sleep
Process32NextW
LockResource
Thread32Next
LoadResource
FindResourceW
QueueUserAPC
VirtualAllocEx
OpenThread
WriteProcessMemory
SizeofResource
Process32FirstW
GetModuleFileNameA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
CloseHandle
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

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 208B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

a82ebc37d5c19d5bcb206bf2ffc4be24

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 43KB - Virtual size: 42KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 2KB - Virtual size: 7KB

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

.gfids Size: 512B - Virtual size: 208B

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

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

.text
Size: 43KB - Virtual size: 42KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 2KB - Virtual size: 7KB

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

.gfids
Size: 512B - Virtual size: 208B

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

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