2024-05-30_fffd2383637f594967e51874698e3b04_ryuk

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General

Target

2024-05-30_fffd2383637f594967e51874698e3b04_ryuk
Size

906KB
MD5

fffd2383637f594967e51874698e3b04
SHA1

c6d96c46a1f3368699354f9f11c6241a75c06f69
SHA256

677f18e1501cefcae7ce5eabc23bb46d9e0ef7244e679427ecc174e853c65e37
SHA512

9ad5a6a1dc748534a12e70ac7a8ae8155d484baaf44e503a49a2222a6e748180d4019a481916bea7d8f3e250b35785e20337bbdae53256d1cca40fe5d9f032a8
SSDEEP

24576:9yHCqi07iMOnQRFjocFZSAl79xu8QPf8Gq+8ppBgFtw:9yHCqi0O8q09xuvPf8Gq+ELg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-30_fffd2383637f594967e51874698e3b04_ryuk

Files

2024-05-30_fffd2383637f594967e51874698e3b04_ryuk
.exe windows:6 windows x64 arch:x64

77bee3e1c5d63cdeb1e2a33a7b4a427f

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

user32

MessageBoxA

advapi32

RegQueryValueExA
RegCloseKey
RegOpenKeyExA

comctl32

ord17

kernel32

GetLastError
GetProcAddress
SearchPathA
VirtualAlloc
VirtualFree
GetModuleFileNameA
LoadLibraryA
FormatMessageA
GetUserDefaultLCID
ExpandEnvironmentStringsA
FreeLibrary
GetFileAttributesA
LoadLibraryExA
GetPrivateProfileStringA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
SetLastError
GetCurrentThreadId
MultiByteToWideChar
GetACP
HeapAlloc
HeapFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
LoadLibraryExW
LCMapStringW
RaiseException
IsValidCodePage
GetOEMCP
GetCPInfo
GetStringTypeW
ExitProcess
GetModuleHandleExW
GetProcessHeap
WideCharToMultiByte
HeapSize
HeapReAlloc
RtlUnwindEx
CreateFileW
WriteConsoleW
SetFilePointerEx
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
GetStdHandle
WriteFile
CloseHandle
FindClose
FindFirstFileExA
FindNextFileA
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 21KB

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: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 806KB - Virtual size: 805KB

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

77bee3e1c5d63cdeb1e2a33a7b4a427f

Headers

DLL Characteristics

File Characteristics

Imports

user32

advapi32

comctl32

kernel32

version

Sections

.text Size: 45KB - Virtual size: 44KB

.rdata Size: 44KB - Virtual size: 44KB

.data Size: 3KB - Virtual size: 21KB

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

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 806KB - Virtual size: 805KB

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

.text
Size: 45KB - Virtual size: 44KB

.rdata
Size: 44KB - Virtual size: 44KB

.data
Size: 3KB - Virtual size: 21KB

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

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 806KB - Virtual size: 805KB

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