Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_2f32ae2d9e735cecacffc811046d1bcf_cobalt-strike_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-19_2f32ae2d9e735cecacffc811046d1bcf_cobalt-strike_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-19_2f32ae2d9e735cecacffc811046d1bcf_cobalt-strike_ryuk
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Size
27.2MB
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MD5
2f32ae2d9e735cecacffc811046d1bcf
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SHA1
e901144743dfbc46f9cad14f32e4a4f52904049e
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SHA256
38184b38f9c1f72b628d4a7e8dc00bdd805c6c2acd17f516a6bffe90ce6817f1
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SHA512
f2a8dfb39da5d471773320ade3cae53fd24c3992bf7d9ffd35c9e6aa70d3e8d06f18ced2951216a9a4f047421a06b4eb704e9eec5fa16121df2999fb982a65c1
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SSDEEP
786432:9odqADS+76FS+WIO/SD4xtUu7FdxFAODJ8:9o8Au+76FS+WIO/jLUu7rMOt
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-19_2f32ae2d9e735cecacffc811046d1bcf_cobalt-strike_ryuk
Files
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2024-09-19_2f32ae2d9e735cecacffc811046d1bcf_cobalt-strike_ryuk.exe windows:6 windows x64 arch:x64
154977cd00315e1cd7a5ff0dceb81b2c
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
shell32
SHFileOperationW
SHGetFolderPathW
kernel32
CloseHandle
CompareStringW
CreateDirectoryW
CreateFileW
CreateProcessW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceA
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadResource
LockResource
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 167KB - Virtual size: 167KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 55KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 83KB
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
.00cfg Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 27.0MB - Virtual size: 27.0MB
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