2024-02-19_5a3714426a7067960555f5b4b166ffe9_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-02-19_5a3714426a7067960555f5b4b166ffe9_ryuk
Size

238KB
MD5

5a3714426a7067960555f5b4b166ffe9
SHA1

0d6b833c5fc0faeed44af0222baddc1a60d662c2
SHA256

5ca388728394f7a1ba9a476045c90ac039f1892251ffa24e74a9a8ddeecd8922
SHA512

593b8fab14c1f1bf0e74bae19d51824f5fc21be2ae81f39ab566671ee8956359ec0756c6854fc5925b890fda19e0a10af25ff07b55e7cc0eee36f3758df4c04e
SSDEEP

6144:nRGUaOit0zF1AXabmePIYvZ+sfHqYgtk3l:dYW1C+V4sfHJg21

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-19_5a3714426a7067960555f5b4b166ffe9_ryuk

Files

2024-02-19_5a3714426a7067960555f5b4b166ffe9_ryuk
.exe windows:10 windows x64 arch:x64

cf89bf47ac1381ca42b840f22db25cee

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

Elevated_MpMiniSigStub.pdb

Imports

kernel32

FreeLibrary
GetCurrentProcessId
CloseHandle
Process32FirstW
Process32NextW
GetLastError
CreateToolhelp32Snapshot
LeaveCriticalSection
GetCurrentProcess
EnterCriticalSection
FormatMessageW
WideCharToMultiByte
IsDebuggerPresent
RaiseException
MultiByteToWideChar
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
HeapAlloc
HeapFree
GetProcessHeap
GetModuleFileNameW
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
SetLastError
GetStringTypeW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
DeleteCriticalSection
SetStdHandle
GetFileType
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LCMapStringW
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
EncodePointer
CreateDirectoryW
SizeofResource
RemoveDirectoryW
WaitForSingleObject
GetSystemDirectoryW
SetFileAttributesW
Sleep
LockResource
DeleteFileW
LoadResource
FindResourceW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateProcessW
GetSystemWindowsDirectoryW
GetExitCodeProcess
HeapSetInformation
GetEnvironmentVariableW
GetFileAttributesW
OpenProcess
SetEvent

ole32

CoCreateGuid

ntdll

NtSetInformationFile
RtlUnwindEx
RtlPcToFileHeader
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

advapi32

TraceMessage
RegCloseKey
GetTokenInformation
RegQueryValueExW
AddAccessAllowedAce
GetLengthSid
RegDeleteValueW
RegOpenKeyExW
InitializeAcl
InitializeSecurityDescriptor
FreeSid
OpenProcessToken
RegSetValueExW
IsValidSid
CopySid
RegCreateKeyExW
AllocateAndInitializeSid
SetSecurityDescriptorDacl
CheckTokenMembership

rpcrt4

UuidCreate

Sections

.text
Size: 113KB - Virtual size: 112KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

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

.rsrc
Size: 43KB - Virtual size: 43KB

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

cf89bf47ac1381ca42b840f22db25cee

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

ole32

ntdll

advapi32

rpcrt4

Sections

.text Size: 113KB - Virtual size: 112KB

.rdata Size: 53KB - Virtual size: 52KB

.data Size: 3KB - Virtual size: 8KB

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

.rsrc Size: 43KB - Virtual size: 43KB

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

.text
Size: 113KB - Virtual size: 112KB

.rdata
Size: 53KB - Virtual size: 52KB

.data
Size: 3KB - Virtual size: 8KB

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

.rsrc
Size: 43KB - Virtual size: 43KB

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