2024-02-04_f69faa63c07f9db84a1c09f5a359dcaa_ryuk

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General

Target

2024-02-04_f69faa63c07f9db84a1c09f5a359dcaa_ryuk
Size

246KB
MD5

f69faa63c07f9db84a1c09f5a359dcaa
SHA1

9a5425fbf98ea48fc958573b52af13e5cddf2c89
SHA256

f663943b1596b5a8665d1bb3776b6a4c889320ba5ab2f217a5938af67e401883
SHA512

0b1af426784b07144bb436694439442c6108c1ab3ba0a90bf13c825c4d58ecf96b097359ef6d9b4679bfb3f9a715859888c94642ec62beddf4b87a47d773df0e
SSDEEP

6144:tlEs0Obb4pxpbM2VSOEaPwOLdwhSb/Enq6u:tlE2b4pxdM2hFZi

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-04_f69faa63c07f9db84a1c09f5a359dcaa_ryuk

Files

2024-02-04_f69faa63c07f9db84a1c09f5a359dcaa_ryuk
.exe windows:6 windows x64 arch:x64

6b5da2a06d654e094e84f2d2f4b9e432

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

LoadIconA
LoadCursorA
MessageBoxA
SetWindowTextA
ShowWindow
CreateWindowExA
RegisterClassExA
PostQuitMessage
DefWindowProcA
SendMessageA
DispatchMessageA
TranslateMessage
GetMessageA

kernel32

CreateFileW
WriteConsoleW
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
FindNextFileA
FindFirstFileExA
GetProcAddress
OpenProcess
TerminateProcess
CreateThread
Sleep
CloseHandle
MapViewOfFile
CreateFileMappingA
GetModuleHandleA
CreateToolhelp32Snapshot
Process32Next
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
MultiByteToWideChar
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetCurrentProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
GetACP
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetProcessHeap
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetCommandLineA
GetCommandLineW
FindClose

advapi32

SystemFunction036

Sections

.text
Size: 158KB - Virtual size: 158KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 69KB - Virtual size: 69KB

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

.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

6b5da2a06d654e094e84f2d2f4b9e432

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

advapi32

Sections

.text Size: 158KB - Virtual size: 158KB

.rdata Size: 69KB - Virtual size: 69KB

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

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

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

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

.text
Size: 158KB - Virtual size: 158KB

.rdata
Size: 69KB - Virtual size: 69KB

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

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

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

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