2024-08-24_5c6ff42bb92f427f7a0e7fe9e78e4c58_cobalt-strike_ryuk

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General

Target

2024-08-24_5c6ff42bb92f427f7a0e7fe9e78e4c58_cobalt-strike_ryuk
Size

837KB
MD5

5c6ff42bb92f427f7a0e7fe9e78e4c58
SHA1

cb97233fd971d98be80dd9e7912cc43dfce241c8
SHA256

b94c81a16924a3b905fa0819db0d0346e8e63315d7ee160414909e461a513747
SHA512

e2ce0c08a6c075059c0e9b75e7333b87bc32a7888f494f0fd464045dc99e6e768f7481c01f95c8d8c8c84408c37fee320e787519d86f58da1f95474637d86fd3
SSDEEP

12288:YjKajqkNCLqx4jAYToIfoEpCgkU3nRdcoFQHn2RbNG7xpF9FCCEoDkYyAFwx:iKaLkm91gd3nDcjObiN9EhoDk4wx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-24_5c6ff42bb92f427f7a0e7fe9e78e4c58_cobalt-strike_ryuk

Files

2024-08-24_5c6ff42bb92f427f7a0e7fe9e78e4c58_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

b0ab6d9503fdddca874115d80c0218fc

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

user32

LoadStringA

kernel32

CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeExA
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringA
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
MultiByteToWideChar
OpenProcess
OutputDebugStringW
Process32First
Process32Next
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 381KB - Virtual size: 380KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 111KB - Virtual size: 110KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 302KB - Virtual size: 309KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 28KB - Virtual size: 27KB

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: 9KB - Virtual size: 8KB

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

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b0ab6d9503fdddca874115d80c0218fc

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

Sections

.text Size: 381KB - Virtual size: 380KB

.rdata Size: 111KB - Virtual size: 110KB

.data Size: 302KB - Virtual size: 309KB

.pdata Size: 28KB - Virtual size: 27KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 9KB - Virtual size: 8KB

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 512B - Virtual size: 348B

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

.text
Size: 381KB - Virtual size: 380KB

.rdata
Size: 111KB - Virtual size: 110KB

.data
Size: 302KB - Virtual size: 309KB

.pdata
Size: 28KB - Virtual size: 27KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 9KB - Virtual size: 8KB

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 512B - Virtual size: 348B

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