2024-01-01_af0c288c45663179f316d81b8b75ea44_ryuk

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General

Target

2024-01-01_af0c288c45663179f316d81b8b75ea44_ryuk
Size

195KB
MD5

af0c288c45663179f316d81b8b75ea44
SHA1

d06ce077efb93188438e6fbf59f5204156e300d5
SHA256

f4a77f97b620c2556c45449cade6bfd0314fedcce7f237ef47483330d86bb0bf
SHA512

433f6b85f80824ca878fca261befe6b19f1db7ae981821cef0775272013f0cdd2ef543634787fd7cb6a36b232ed5555c8574495db44d4628c20008361e05cd62
SSDEEP

3072:1+Rh4Q5g/3CfEwEUiyujeaaNHdU2dl33MB+Mmfq5IooDhTeiHm4EN8frE1LZktq:EkQ5gAEUi3jeaaN9U2d98oMmfq50tPx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-01_af0c288c45663179f316d81b8b75ea44_ryuk

Files

2024-01-01_af0c288c45663179f316d81b8b75ea44_ryuk
.exe windows:6 windows x64 arch:x64

18125432646b295b601cfaecee9cde41

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

CreateToolhelp32Snapshot
Sleep
GetLastError
Process32Next
CloseHandle
SetEnvironmentVariableA
CreateProcessA
GetSystemTimeAsFileTime
ResumeThread
Module32First
WaitForSingleObject
Module32Next
ReadFile
GetFileSizeEx
WriteFile
SetEndOfFile
CreateFileA
SetFilePointerEx
GetModuleFileNameA
GetModuleHandleA
GetVersionExA
GetPrivateProfileStringA
WriteProcessMemory
OpenProcess
GetProcAddress
VirtualAllocEx
CreateRemoteThread
VirtualFreeEx
UnmapViewOfFile
CreateFileMappingA
MapViewOfFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
EncodePointer
TerminateProcess
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
GetStringTypeW
GetFileType
CompareStringW
LCMapStringW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
CreateDirectoryW
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
SetStdHandle
WriteConsoleW
CreateFileW
HeapSize
HeapReAlloc
ReadConsoleW
SetProcessAffinityMask
RaiseException
Process32First

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

user32

WaitForInputIdle
MessageBoxA

advapi32

RegCloseKey
RegQueryValueExA
RegOpenKeyExA

shell32

SHGetFolderPathA

Sections

.text
Size: 125KB - Virtual size: 125KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 236B

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: 1KB - Virtual size: 1KB

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

18125432646b295b601cfaecee9cde41

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

version

user32

advapi32

shell32

Sections

.text Size: 125KB - Virtual size: 125KB

.rdata Size: 54KB - Virtual size: 53KB

.data Size: 3KB - Virtual size: 19KB

.pdata Size: 7KB - Virtual size: 6KB

.gfids Size: 512B - Virtual size: 236B

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

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 125KB - Virtual size: 125KB

.rdata
Size: 54KB - Virtual size: 53KB

.data
Size: 3KB - Virtual size: 19KB

.pdata
Size: 7KB - Virtual size: 6KB

.gfids
Size: 512B - Virtual size: 236B

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

.rsrc
Size: 1KB - Virtual size: 1KB

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