C:\b\build\slave\Win\build\src\out\Release\crash_service64.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_7331370ef0f62317f6392d6ad73ae522_ryuk.exe
Resource
win7-20240215-en
General
-
Target
2024-04-15_7331370ef0f62317f6392d6ad73ae522_ryuk
-
Size
464KB
-
MD5
7331370ef0f62317f6392d6ad73ae522
-
SHA1
18bc42b6b9b530285a9b6375588cda53eb1e5d2c
-
SHA256
2ffc142497b1528a0d91f29041ea4a2b974873e690326f28141bef3ecf1c5291
-
SHA512
56d6b209d334eb3d8ddf94e31e09a5d1e2b8ceb4c301ca7b81a1cf9c573fd8bce0a5781c46e133f60d31d5152b2a87ff63e1647bc86da15415eb05dcd447693c
-
SSDEEP
12288:YMbLcfPuEBACAekhicNOdbb3BGc5cWpRSo0mC8jHH:WyCwpNOdb7BFpEPr8D
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-15_7331370ef0f62317f6392d6ad73ae522_ryuk
Files
-
2024-04-15_7331370ef0f62317f6392d6ad73ae522_ryuk.exe windows:5 windows x64 arch:x64
d4f474999b9f2d25a685568d835d26a2
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
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
ResetEvent
LoadLibraryW
VirtualQuery
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: 331KB - Virtual size: 331KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 99KB - Virtual size: 99KB
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: 20KB - Virtual size: 20KB
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: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ