2024-11-28_b955a003f7365e8c50687d0901d9dbf8_ryuk

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General

Target

2024-11-28_b955a003f7365e8c50687d0901d9dbf8_ryuk
Size

161KB
MD5

b955a003f7365e8c50687d0901d9dbf8
SHA1

760314c901d81a85f74213185d2a28eec4f2007b
SHA256

26f90bcfd6a4439369da73ceebea471fdc8d5cdaca9c1ce260b43b3410ef77d2
SHA512

50395286d5b5e65538cfb7c15c46cb5c718ea106571fe6700c123e3e974dd6a5520971699daa0c4b762f2e1e5d9e334b37fac2260e8f2b84abed8a4cb8b03061
SSDEEP

3072:DzpdNvL55JguE/075wkp/rJWT2fmFSYaz86VFbBBJfq9YaQ6OvL8:HT955Jxi07T5rJBfmI0X

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
2024-11-28_b955a003f7365e8c50687d0901d9dbf8_ryuk

Files

2024-11-28_b955a003f7365e8c50687d0901d9dbf8_ryuk
.exe windows:6 windows x64 arch:x64

61c0a3ee928c1e054bd22eabddbb985c

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

TerminateProcess
CloseHandle
ReadFile
GetProcAddress
GetModuleHandleA
FindResourceW
SizeofResource
LockResource
LoadResource
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalFree
GetSystemDirectoryW
GetModuleFileNameW
CopyFileW
GetLastError
CreateFileW
GetFileSize
DeleteFileW
WaitForSingleObject
Sleep
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
WideCharToMultiByte
MultiByteToWideChar
FindResourceExW
InitializeCriticalSectionEx
RaiseException
DeleteCriticalSection
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
WriteConsoleW
SetFilePointerEx
CreateProcessW
WriteFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetStringTypeW
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
RtlUnwindEx
SetLastError
ExitProcess
GetModuleHandleExW
GetStdHandle
GetModuleFileNameA
GetCommandLineA
GetCommandLineW
GetACP
CompareStringW
LCMapStringW
GetFileType
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
FindClose
FindFirstFileExA
FindNextFileA
SetStdHandle
CreatePipe

advapi32

SystemFunction036
GetUserNameW

ole32

CreateStreamOnHGlobal

shell32

ShellExecuteW

Sections

.text
Size: 100KB - Virtual size: 99KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 46KB

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: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 220B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 1000B

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

61c0a3ee928c1e054bd22eabddbb985c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ole32

shell32

Sections

.text Size: 100KB - Virtual size: 99KB

.rdata Size: 46KB - Virtual size: 46KB

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

.pdata Size: 6KB - Virtual size: 6KB

.gfids Size: 512B - Virtual size: 220B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1024B - Virtual size: 1000B

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

.text
Size: 100KB - Virtual size: 99KB

.rdata
Size: 46KB - Virtual size: 46KB

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

.pdata
Size: 6KB - Virtual size: 6KB

.gfids
Size: 512B - Virtual size: 220B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1024B - Virtual size: 1000B

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