2024-02-13_eff61f1bf7b14d261d5b421208d1bf68_cobalt-strike_ryuk

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General

Target

2024-02-13_eff61f1bf7b14d261d5b421208d1bf68_cobalt-strike_ryuk
Size

733KB
MD5

eff61f1bf7b14d261d5b421208d1bf68
SHA1

89e9dd7d3a0197e7d7be77b35f4d9fad23f29113
SHA256

9c1d6b39d2e03e603b982ec95be58355293276564c1b0362df3473d0b7a42490
SHA512

28acc2dfe1848fee96ed73e6fbc765ea467c78b744a547571387308a8af91d12eed3eb47edeb1605d0c8da312eabab3cd1227e72e7375e96a8c8ba71321a45db
SSDEEP

12288:SlE/qJ3JeSkZAB5nmcJROlp3L8Z0u/z6QwDa3jabT:mJ3LzJOnL8Z0u/WQVCT

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-13_eff61f1bf7b14d261d5b421208d1bf68_cobalt-strike_ryuk

Files

2024-02-13_eff61f1bf7b14d261d5b421208d1bf68_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

d7f0239cbcc8cc29e355d05504648d8a

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

advapi32

AllocateAndInitializeSid
CopySid
EqualSid
GetLengthSid
GetUserNameA
InitializeSecurityDescriptor
RegCloseKey
RegCreateKeyA
RegOpenKeyA
RegQueryValueExA
RegSetValueExA
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner

user32

FindWindowA
GetCapture
GetClipboardOwner
GetCursorPos
GetForegroundWindow
GetQueueStatus
SendMessageA

kernel32

CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryA
CreateEventA
CreateFileA
CreateFileMappingA
CreateFileW
CreateMutexA
CreateNamedPipeA
CreatePipe
CreateProcessA
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileA
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileA
FindFirstFileExW
FindNextFileA
FindNextFileW
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetExitCodeProcess
GetFileAttributesA
GetFileAttributesExA
GetFileAttributesExW
GetFileSize
GetFileTime
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryA
GetSystemTimeAsFileTime
GetThreadTimes
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetWindowsDirectoryA
GlobalMemoryStatus
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
LocalAlloc
LocalFileTimeToFileTime
LocalFree
MapViewOfFile
MultiByteToWideChar
OpenProcess
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleMode
SetCurrentDirectoryA
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointer
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
WaitForMultipleObjects
WaitForSingleObject
WaitNamedPipeA
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 514KB - Virtual size: 514KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 161KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d7f0239cbcc8cc29e355d05504648d8a

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

user32

kernel32

Sections

.text Size: 514KB - Virtual size: 514KB

.rdata Size: 161KB - Virtual size: 160KB

.data Size: 4KB - Virtual size: 12KB

.pdata Size: 22KB - Virtual size: 22KB

.00cfg Size: 512B - Virtual size: 16B

.rsrc Size: 5KB - Virtual size: 5KB

.reloc Size: 5KB - Virtual size: 5KB

.text
Size: 514KB - Virtual size: 514KB

.rdata
Size: 161KB - Virtual size: 160KB

.data
Size: 4KB - Virtual size: 12KB

.pdata
Size: 22KB - Virtual size: 22KB

.00cfg
Size: 512B - Virtual size: 16B

.rsrc
Size: 5KB - Virtual size: 5KB

.reloc
Size: 5KB - Virtual size: 5KB