Static task
static1
Behavioral task
behavioral1
Sample
2024-09-21_592d8660d2670bc67e91e1cf2b80d7d0_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-21_592d8660d2670bc67e91e1cf2b80d7d0_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-21_592d8660d2670bc67e91e1cf2b80d7d0_ryuk
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Size
200KB
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MD5
592d8660d2670bc67e91e1cf2b80d7d0
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SHA1
b85dcbe81d1f9c7877ed742bebfdd07216358d74
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SHA256
abfba6846b2f85b3b25dd71a5d910c356b64b04797c3a527e7f2f0c69137842f
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SHA512
040c2e18fb5b5ccfab1b604e96022c056e2c1a5bba8fbd3a0f6253f7fe9262f206b6e9aa508cc96bffedfd493735e4f274de114abfe36be94ae585f23134d172
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SSDEEP
3072:FzOCLlTCrLBExk+bN4ejpMT/JUVWaI9shNI8:ROSTCRExkwOmM
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-21_592d8660d2670bc67e91e1cf2b80d7d0_ryuk
Files
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2024-09-21_592d8660d2670bc67e91e1cf2b80d7d0_ryuk.exe windows:5 windows x64 arch:x64
2b7d865741545b39cde4025a2d313392
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
iphlpapi
GetIpNetTable
kernel32
CreateFileW
GetVersionExW
GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
GetCurrentThread
LoadLibraryA
GlobalAlloc
DeleteFileW
Process32FirstW
GlobalFree
CloseHandle
CreateThread
HeapAlloc
GetWindowsDirectoryW
GetProcAddress
VirtualAllocEx
LocalFree
GetProcessHeap
FreeLibrary
CreateRemoteThread
VirtualFreeEx
GetTempPathW
SetFilePointer
GetModuleFileNameW
VirtualAlloc
GetCurrentProcess
GetCommandLineW
VirtualFree
SetLastError
HeapFree
WriteConsoleW
SetFilePointerEx
HeapReAlloc
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
WriteProcessMemory
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
RtlUnwindEx
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ExitProcess
TerminateProcess
GetModuleHandleExW
GetStdHandle
WriteFile
MultiByteToWideChar
WideCharToMultiByte
GetACP
LCMapStringW
GetStringTypeW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
UnhandledExceptionFilter
advapi32
SystemFunction036
LookupAccountSidW
OpenThreadToken
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenSCManagerW
ImpersonateSelf
OpenProcessToken
EnumServicesStatusW
GetTokenInformation
shell32
ShellExecuteW
CommandLineToArgvW
Sections
.text Size: 88KB - Virtual size: 88KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 62KB - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 168B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ