2024-01-08_e265c16544ae84ed22dc15538e02a22c_ryuk

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General

Target

2024-01-08_e265c16544ae84ed22dc15538e02a22c_ryuk
Size

229KB
MD5

e265c16544ae84ed22dc15538e02a22c
SHA1

d4efc29a74b597ff4a862455b69692e259a2f1b6
SHA256

84d00268d7fd27fd9df323f1166838279abd80e1d746a28f72914a02a7f97b3b
SHA512

d7fc01bd3864444c0f57a5e85ab7211944c9506526c03bceec271d5993ecbc0dcb7a054a8198f60bee2d76bce47f9142065066149508ce1739988963f4936b8d
SSDEEP

6144:KdvbW9u7swsKhyQCs4bmhT+No4GiUJhG:ahsw1hWX

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-08_e265c16544ae84ed22dc15538e02a22c_ryuk

Files

2024-01-08_e265c16544ae84ed22dc15538e02a22c_ryuk
.exe windows:6 windows x64 arch:x64

5749e5bdf0703447b0fea3c1dc7f26e4

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

SetStdHandle
FindFirstFileExA
WriteConsoleW
CreateFileW
HeapSize
SetEndOfFile
ExitProcess
FindNextFileA
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
HeapAlloc
HeapReAlloc
HeapFree
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
GetACP
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
DeleteFileW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
ReadFile
GetTimeZoneInformation
ReadConsoleW
SetFilePointerEx
GetProcessHeap
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetCommandLineA
GetCommandLineW
FindClose
LoadLibraryA

user32

GetMessageA
LoadCursorA
ShowWindow
DefWindowProcA
CreateWindowExA
LoadIconA
FindWindowA
RegisterClassExA

advapi32

SystemFunction036

Sections

.text
Size: 139KB - Virtual size: 138KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 70KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

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: 752B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5749e5bdf0703447b0fea3c1dc7f26e4

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

Sections

.text Size: 139KB - Virtual size: 138KB

.rdata Size: 70KB - Virtual size: 70KB

.data Size: 5KB - Virtual size: 11KB

.pdata Size: 8KB - Virtual size: 8KB

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

.rsrc Size: 1024B - Virtual size: 752B

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

.text
Size: 139KB - Virtual size: 138KB

.rdata
Size: 70KB - Virtual size: 70KB

.data
Size: 5KB - Virtual size: 11KB

.pdata
Size: 8KB - Virtual size: 8KB

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

.rsrc
Size: 1024B - Virtual size: 752B

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