2024-04-21_ff4a9f9f2ac375cb06341a734168f848_cobalt-strike_ryuk

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General

Target

2024-04-21_ff4a9f9f2ac375cb06341a734168f848_cobalt-strike_ryuk
Size

655KB
MD5

ff4a9f9f2ac375cb06341a734168f848
SHA1

70df521f9b85d83a2c9d003a3686b542e581379c
SHA256

734849c3fbfa5420a7d26c380837f4d8252195ea3fdd56ddfe1188a60158d310
SHA512

c57e024fdec7ca5fae3d3813904578023f8f7da4f3a9181d3463b04ad64d981f3168900cbbd759898c85b5d902000037154dc6e9a7429de6ccf3209b6d5e2a4b
SSDEEP

12288:yjC6V2lUGt/sB1KcYmqgZvAMlUoUjG+YKtMfnkOeZb5JYiNAgAPh:j77t/sBlDqgZQd6XKtiMJYiPU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-21_ff4a9f9f2ac375cb06341a734168f848_cobalt-strike_ryuk

Files

2024-04-21_ff4a9f9f2ac375cb06341a734168f848_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

abba7d980ad18ffc858166a72b7bc8ad

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

cookie_exporter.exe.pdb

Imports

kernel32

CloseHandle
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetErrorMode
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadErrorMode
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

abba7d980ad18ffc858166a72b7bc8ad

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 41KB - Virtual size: 41KB

.rdata Size: 34KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 7KB

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

.00cfg Size: 512B - Virtual size: 40B

_RDATA Size: 512B - Virtual size: 252B

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 41KB - Virtual size: 41KB

.rdata
Size: 34KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 7KB

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

.00cfg
Size: 512B - Virtual size: 40B

_RDATA
Size: 512B - Virtual size: 252B

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 568KB - Virtual size: 572KB