2024-04-20_a26f2a77bf66567fe5e295fc1b227650_ryuk

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General

Target

2024-04-20_a26f2a77bf66567fe5e295fc1b227650_ryuk
Size

366KB
MD5

a26f2a77bf66567fe5e295fc1b227650
SHA1

d9eda924750edfa8c12eaf938fe5f6db9cc69e67
SHA256

2fb187c48d297ed803f085cc3b8f7a2803e31b273592183e6aaeae56bf534aae
SHA512

889565532448cc7affb35402331572232a2771d0f1005133d4f4739223a5374b74e3f8cdc5d873e5269e13c020d0a77b9be765ce1ff9b766fc514b3e00821bad
SSDEEP

6144:eZBHbAtvk6eFnNg3LcccP4J5k4JtpmNBd9kcj/4jsRevJ:aB/XnNoLcccOpIOvjsR6J

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-20_a26f2a77bf66567fe5e295fc1b227650_ryuk

Files

2024-04-20_a26f2a77bf66567fe5e295fc1b227650_ryuk
.exe windows:6 windows x64 arch:x64

828addf1a90031de137f9bb3e4b60c4d

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

BootstrapPackagedGame-Win64-Shipping.pdb

Imports

kernel32

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

user32

wsprintfW
MessageBoxW

shell32

ShellExecuteExW

shlwapi

PathCombineW
PathRemoveFileSpecW
PathCanonicalizeW

Sections

.text
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - 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: 192B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 279KB - Virtual size: 279KB

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

828addf1a90031de137f9bb3e4b60c4d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

shell32

shlwapi

Sections

.text Size: 40KB - Virtual size: 40KB

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

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

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

.gfids Size: 512B - Virtual size: 192B

.rsrc Size: 279KB - Virtual size: 279KB

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

.text
Size: 40KB - Virtual size: 40KB

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

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

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

.gfids
Size: 512B - Virtual size: 192B

.rsrc
Size: 279KB - Virtual size: 279KB

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