2024-02-03_b97fc104fd73edfc106761660b9fa109_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-02-03_b97fc104fd73edfc106761660b9fa109_ryuk
Size

633KB
MD5

b97fc104fd73edfc106761660b9fa109
SHA1

0041b1dbbca3bcb52f2e66db6dcc8c8919b20649
SHA256

7e5d0e4f7269c73b3e024c06385020968b4d8c5e6901e0ea9c25ba68ada41dd0
SHA512

2696903a326f2f14cce8d2f98f04cb0d4994967438bb4639d4409e073628875d154c397c17805faf990bf01909d4fdd05dfa1453f9be44288db01a0d901ccbca
SSDEEP

6144:1P1SPCPa9dpOhGAiYEVSM73+jtPfaVuiRgYhuGZ:bzPb4hUk3+jtPGu4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-03_b97fc104fd73edfc106761660b9fa109_ryuk

Files

2024-02-03_b97fc104fd73edfc106761660b9fa109_ryuk
.exe windows:6 windows x64 arch:x64

fafa4a28b560c39ab0fffc511680e6be

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

C:\buildslave\unity\build\build\WindowsStandaloneSupport\Variations\win64_nondevelopment_mono\WindowsPlayer_x64_Master_mono.pdb

Imports

unityplayer

UnityMain

kernel32

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

Exports

Exports

AmdPowerXpressRequestHighPerformance
NvOptimusEnablement

Sections

.text
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

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: 552KB - Virtual size: 552KB

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

fafa4a28b560c39ab0fffc511680e6be

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

unityplayer

kernel32

Exports

Exports

Sections

.text Size: 38KB - Virtual size: 37KB

.rdata Size: 34KB - Virtual size: 33KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 3KB - Virtual size: 2KB

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

.rsrc Size: 552KB - Virtual size: 552KB

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

.text
Size: 38KB - Virtual size: 37KB

.rdata
Size: 34KB - Virtual size: 33KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 3KB - Virtual size: 2KB

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

.rsrc
Size: 552KB - Virtual size: 552KB

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