2024-01-01_d9306a507c94b6834428916d70b93f89_ryuk

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General

Target

2024-01-01_d9306a507c94b6834428916d70b93f89_ryuk
Size

223KB
MD5

d9306a507c94b6834428916d70b93f89
SHA1

4faf0973cd2f8f366ae652e747a97a7307a78e3d
SHA256

87c31f25a21770129dcfe0e8a8611579f9bdeb7ce43d623bb16bd14e76929804
SHA512

137f90464cd788117fc8b826504b2182552a7dcd8164920930329af3f115a1869642023544fcea74a21f21a0ae888a6fbea73c1335992ef733229c4b4cf9d92d
SSDEEP

6144:9DddbVAhxIvMXK1KV6ns5bqThJbuBjne:9ZIEvQmcWThJbu1

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-01_d9306a507c94b6834428916d70b93f89_ryuk

Files

2024-01-01_d9306a507c94b6834428916d70b93f89_ryuk
.exe windows:5 windows x64 arch:x64

5e8c3ca43e69f86835683a7555790257

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

CopyFileA
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
WriteConsoleW
HeapReAlloc
DeleteFileA
GetTimeZoneInformation
GetFileSizeEx
ReadConsoleW
ReadFile
DeleteFileW
GetProcessHeap
SetCurrentDirectoryA
GetTempPathA
WritePrivateProfileStringA
GetModuleFileNameA
GetTickCount
Sleep
HeapSize
GetLastError
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
CloseHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetStdHandle
WriteFile
GetModuleFileNameW
GetCommandLineA
GetCommandLineW
SetEnvironmentVariableW
SetCurrentDirectoryW
GetCurrentDirectoryW
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
MoveFileExW
SetFilePointerEx
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
GetFullPathNameW
SetStdHandle
CreateDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
RaiseException

shell32

FindExecutableW
SHGetMalloc
SHGetPathFromIDListA
SHGetSpecialFolderLocation

user32

EnumWindows
GetWindowTextA

ole32

CoCreateInstance
CoInitialize

advapi32

RegQueryValueExA
RegQueryInfoKeyA
RegOpenKeyExA
RegEnumKeyExA
RegCreateKeyExA
RegCloseKey
RegSetValueExA

Sections

.text
Size: 143KB - Virtual size: 143KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 17KB

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: 168B

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

5e8c3ca43e69f86835683a7555790257

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

user32

ole32

advapi32

Sections

.text Size: 143KB - Virtual size: 143KB

.rdata Size: 61KB - Virtual size: 60KB

.data Size: 8KB - Virtual size: 17KB

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

.gfids Size: 512B - Virtual size: 168B

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

.text
Size: 143KB - Virtual size: 143KB

.rdata
Size: 61KB - Virtual size: 60KB

.data
Size: 8KB - Virtual size: 17KB

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

.gfids
Size: 512B - Virtual size: 168B

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