GoogleUpdateComRegisterShell64_unsigned.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-06_64d6d352e2d53cf873965d80162d80b2_ryuk.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-06_64d6d352e2d53cf873965d80162d80b2_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-06_64d6d352e2d53cf873965d80162d80b2_ryuk
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Size
1.4MB
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MD5
64d6d352e2d53cf873965d80162d80b2
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SHA1
a32673a2cb59e89ac51e21aa08d05cb7a2fb8a68
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SHA256
41cf8a5634985f3a77ae3daff49bc5c87c3e73e3afed94642608bbb80d45e535
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SHA512
dc6549482a36db06f1684ec9823131bc75ff089aaf9ee0917905cf3a723fd359045b1bafafe38300bd51da3c5b4880cbd1fa34eb1356ba9641f9fa93cfb7a24b
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SSDEEP
24576:BChLQlzH8xE1NySIItdykir8q0Hsw47opM6g9+JVuOUj7Cg8:BChLQlzH8xEi/ItdnYz5d6JgCg
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-06_64d6d352e2d53cf873965d80162d80b2_ryuk
Files
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2024-08-06_64d6d352e2d53cf873965d80162d80b2_ryuk.exe windows:5 windows x64 arch:x64
11f57a930c6c1c353c2d1d9f9b8cb448
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
advapi32
RegCloseKey
RegOverridePredefKey
RegOpenKeyExW
kernel32
FreeEnvironmentStringsW
SetStdHandle
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
GetFileType
GetACP
FindResourceW
SizeofResource
LockResource
LoadResource
GetProcAddress
GetModuleHandleW
FindResourceExW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
RaiseException
DecodePointer
GetCommandLineW
GetModuleHandleExW
VirtualQuery
GetModuleFileNameW
GetCurrentProcessId
CloseHandle
LocalFree
LoadLibraryW
GetCurrentProcess
SetLastError
GetTickCount
GetEnvironmentVariableW
lstrcmpiW
FreeLibrary
FindClose
TerminateProcess
Sleep
lstrlenW
MultiByteToWideChar
WideCharToMultiByte
GetFileAttributesExW
GetCurrentThreadId
OutputDebugStringA
GetPrivateProfileIntW
GetPrivateProfileStringW
OutputDebugStringW
CreateFileW
WriteFile
InitializeCriticalSection
EnterCriticalSection
TryEnterCriticalSection
LeaveCriticalSection
GetSystemTimeAsFileTime
FlushFileBuffers
IsDebuggerPresent
ExitProcess
GetStdHandle
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalFree
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
QueryPerformanceCounter
InitializeSListHead
GetStartupInfoW
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LCMapStringW
GetStringTypeW
GetCPInfo
RtlUnwindEx
RtlPcToFileHeader
LoadLibraryExW
GetModuleFileNameA
user32
CharLowerBuffW
MessageBoxW
wsprintfW
OpenClipboard
EmptyClipboard
SetClipboardData
CloseClipboard
shlwapi
PathStripPathW
PathRemoveFileSpecW
PathRemoveExtensionW
PathAppendW
shell32
CommandLineToArgvW
Sections
.text Size: 80KB - Virtual size: 79KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 268B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.2MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE