Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_96daa75334f652faeb600fe1ef064c6b_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-23_96daa75334f652faeb600fe1ef064c6b_ryuk.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-23_96daa75334f652faeb600fe1ef064c6b_ryuk
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Size
1.1MB
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MD5
96daa75334f652faeb600fe1ef064c6b
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SHA1
0564fac088d507cbd6e92a8b62f57aa6a49fca88
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SHA256
1239466da6cf36fb31e5a80ae085b7bf43f782f1d9ec985a4ee94695b99d9187
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SHA512
1e9112f7c1224caf46b2b496418c1162f923ef2b591ded694df593f3225f429c2feaf03c7d8e87a983cdd25238a80b89a06deee8175b344d4e606c15627c71ae
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SSDEEP
24576:RjC2YsCq2cyWWrmaa0+NFtoseNtnIEWXaeIbvBjVcL1CouyT05:ReT62ctKma3HseLJWXapFja1Co/Tu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-23_96daa75334f652faeb600fe1ef064c6b_ryuk
Files
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2024-05-23_96daa75334f652faeb600fe1ef064c6b_ryuk.exe windows:6 windows x64 arch:x64
b3c492a8fa43f6feb051edef9ef3b1ab
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
Imports
kernel32
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
MultiByteToWideChar
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
WideCharToMultiByte
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
GetCommandLineA
GetCommandLineW
GetACP
GetCurrentThread
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
FindClose
FindFirstFileExA
FindNextFileA
SetStdHandle
ReadConsoleW
WriteConsoleW
CreateFileW
HeapSize
SetEndOfFile
InitializeCriticalSection
GetThreadTimes
advapi32
SystemFunction036
Sections
.text Size: 813KB - Virtual size: 812KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 225KB - Virtual size: 225KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 10KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 33KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ