2024-03-28_564dbeb3eca2592a54c227b321a627a0_ryuk

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General

Target

2024-03-28_564dbeb3eca2592a54c227b321a627a0_ryuk
Size

458KB
MD5

564dbeb3eca2592a54c227b321a627a0
SHA1

63937a4350e37bb74bf7cf05d851bbde28f522e6
SHA256

aa4ec41a8d6ff38d361cef517fbc870803d8347b9cf5178aa751466d00d6d007
SHA512

96813cee0e93595b855b31fcd0643f7de4d632a0f916f59486d970f6b24212b566fe733a5b96cb30c6dfcdc9278da7c2e8e6a492d5668ad59702b7a3bb407a66
SSDEEP

12288:PRkxT37L/FlqXZ1t1jwFNkEl2KmSgzqwVEnygomf6SQt:W/FMT8FNkEQKmSgFga7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-28_564dbeb3eca2592a54c227b321a627a0_ryuk

Files

2024-03-28_564dbeb3eca2592a54c227b321a627a0_ryuk
.exe windows:5 windows x64 arch:x64

44755face26678c89006b5f261fa4464

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

InternetOpenW
InternetCloseHandle
InternetConnectW
InternetReadFile
InternetQueryDataAvailable
InternetSetOptionW
HttpOpenRequestW
HttpAddRequestHeadersW
HttpSendRequestW
HttpQueryInfoW
InternetCrackUrlW

kernel32

GetProcessHeap
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
GetCommandLineA
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
InitializeCriticalSection
ReleaseMutex
FreeLibrary
GetSystemTime
MultiByteToWideChar
WideCharToMultiByte
OutputDebugStringW
HeapSize
LoadResource
LockResource
SizeofResource
FindResourceW
GetUserDefaultUILanguage
CreateMutexW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
ReadConsoleW
GetDriveTypeW
GetTimeZoneInformation
WriteConsoleW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
HeapReAlloc
HeapFree
HeapAlloc
GetACP
GetStdHandle
ExitProcess
GetFileType
VirtualProtect
LoadLibraryExA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
InitializeSListHead
GetStringTypeW
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlUnwindEx
RtlPcToFileHeader
LoadLibraryExW
GetConsoleCP
GetConsoleMode
GetFullPathNameW
SetStdHandle

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: 327KB - Virtual size: 326KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 98KB - Virtual size: 98KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 19KB

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

Sharing

General

Malware Config

Signatures

Files

44755face26678c89006b5f261fa4464

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wininet

kernel32

advapi32

ole32

user32

Exports

Exports

Sections

.text Size: 327KB - Virtual size: 326KB

.rdata Size: 98KB - Virtual size: 98KB

.data Size: 5KB - Virtual size: 16KB

.pdata Size: 20KB - Virtual size: 19KB

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

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

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

.reloc Size: 4KB - Virtual size: 3KB

.text
Size: 327KB - Virtual size: 326KB

.rdata
Size: 98KB - Virtual size: 98KB

.data
Size: 5KB - Virtual size: 16KB

.pdata
Size: 20KB - Virtual size: 19KB

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

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

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

.reloc
Size: 4KB - Virtual size: 3KB