2024-03-09_659908deee4245d12f0b2d46778f8f8d_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-03-09_659908deee4245d12f0b2d46778f8f8d_ryuk
Size

520KB
MD5

659908deee4245d12f0b2d46778f8f8d
SHA1

19dc7a1e2faba90e24f61493d142d94cce3e315a
SHA256

8262b0e54387f2b190ec3a415550f09a1ae50032fa23b186d0b3a6015c73c34c
SHA512

4938ca078a9607ecdac4a040ed9ac81ad2e29eed8970846b5b460bdfd3e2dadc3a9af2ac59fa3b895f2abe197f0c434446f03e9d83a0a0e4a84392d3f63a85b2
SSDEEP

12288:TwgkOS2YxFt3PIElzs7Oni7YZssEZUFVHZKhBoF77KExr4DA:cf/oOniONEZJhBKZMA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-09_659908deee4245d12f0b2d46778f8f8d_ryuk

Files

2024-03-09_659908deee4245d12f0b2d46778f8f8d_ryuk
.exe windows:5 windows x64 arch:x64

8fd65952b1857ff1ea678466972227af

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

PDB Paths

C:\b\build\slave\Win\build\src\out\Release\crash_service64.exe.pdb

Imports

wininet

InternetReadFile
InternetQueryDataAvailable
InternetSetOptionW
HttpOpenRequestW
InternetConnectW
HttpSendRequestW
HttpQueryInfoW
InternetCloseHandle
InternetOpenW
InternetCrackUrlW
HttpAddRequestHeadersW

kernel32

GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetModuleHandleW
GetProcAddress
DeleteFileW
SetEvent
CreateEventW
Sleep
QueueUserWorkItem
LocalFree
CreateFileW
WriteFile
OutputDebugStringA
CloseHandle
GetLastError
SetLastError
GetCurrentProcessId
GetTickCount
GetModuleFileNameW
GetCommandLineW
GetCurrentDirectoryW
CreateDirectoryW
GetFileAttributesW
ReadFile
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
GetCurrentProcess
CopyFileW
MoveFileExW
ExpandEnvironmentStringsW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetVersionExW
GetNativeSystemInfo
IsDebuggerPresent
RtlCaptureStackBackTrace
SetUnhandledExceptionFilter
DuplicateHandle
RaiseException
GetCurrentThreadId
QueryPerformanceCounter
GetSystemTimeAsFileTime
FlushFileBuffers
SetEndOfFile
SetFilePointerEx
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetSystemDirectoryW
GetWindowsDirectoryW
UnregisterWaitEx
RegisterWaitForSingleObject
GetModuleHandleExW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
VirtualQuery
ResetEvent
LoadLibraryW
GetProcessTimes
GetSystemInfo
OpenProcess
ReadProcessMemory
UnregisterWait
ConnectNamedPipe
DisconnectNamedPipe
CreateNamedPipeW
GetOverlappedResult
IsValidCodePage
ReleaseMutex
CreateMutexW
FreeLibrary
GetSystemTime
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
OutputDebugStringW
HeapSize
LoadResource
LockResource
SizeofResource
FindResourceW
GetUserDefaultUILanguage
InitializeCriticalSection
GetProcessHeap
ReadConsoleW
GetDriveTypeW
WriteConsoleW
GetTimeZoneInformation
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetACP
GetStdHandle
HeapReAlloc
HeapFree
HeapAlloc
ExitProcess
GetFileType
SetStdHandle
GetFullPathNameW
GetConsoleMode
VirtualProtect
LoadLibraryExA
GetStringTypeW
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
LoadLibraryExW
GetConsoleCP

advapi32

SystemFunction036
RegQueryValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
ConvertStringSecurityDescriptorToSecurityDescriptorW
GetSecurityDescriptorSacl

ole32

CoTaskMemFree

user32

UpdateWindow
CreateWindowExW
RegisterClassExW
PostQuitMessage
DefWindowProcW
PostMessageW
DispatchMessageW
TranslateMessage
GetMessageW

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 376KB - Virtual size: 375KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 856B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 2B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 920B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8fd65952b1857ff1ea678466972227af

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wininet

kernel32

advapi32

ole32

user32

Exports

Exports

Sections

.text Size: 376KB - Virtual size: 375KB

.rdata Size: 107KB - Virtual size: 107KB

.data Size: 5KB - Virtual size: 17KB

.pdata Size: 23KB - Virtual size: 23KB

.gfids Size: 1024B - Virtual size: 856B

.tls Size: 512B - Virtual size: 2B

.rsrc Size: 1024B - Virtual size: 920B

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 376KB - Virtual size: 375KB

.rdata
Size: 107KB - Virtual size: 107KB

.data
Size: 5KB - Virtual size: 17KB

.pdata
Size: 23KB - Virtual size: 23KB

.gfids
Size: 1024B - Virtual size: 856B

.tls
Size: 512B - Virtual size: 2B

.rsrc
Size: 1024B - Virtual size: 920B

.reloc
Size: 4KB - Virtual size: 4KB