2024-12-13_a7e925a92645f00a6e3a34e529b32f74_cobalt-strike_ryuk

Sharing

Copy URL

Twitter E-mail

General

Target

2024-12-13_a7e925a92645f00a6e3a34e529b32f74_cobalt-strike_ryuk
Size

3.1MB
MD5

a7e925a92645f00a6e3a34e529b32f74
SHA1

b1a02e07961d6340eeb0815614c2433eb4629458
SHA256

21345abefc18f91271f25c32ce1c7c09b4b9234605edfbd9e35bf33f124de074
SHA512

1a755a63fdcbb43ec77bb5fcef91a59ff842024121451807f3629e737d784dfa338b69fb17afa75fb42fec566ed5756a086ce538c01c8e11f2b872aae968482e
SSDEEP

49152:u2TEq2yVp1b7iP9WakSbrUITcPH+hp9ZEDeo:u

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-12-13_a7e925a92645f00a6e3a34e529b32f74_cobalt-strike_ryuk

Files

2024-12-13_a7e925a92645f00a6e3a34e529b32f74_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

25224432afaf13c692f24efcb620c38b

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

kernel32

CloseHandle
CreateFileW
CreateProcessA
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetThreadContext
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadProcessMemory
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadContext
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAllocEx
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteProcessMemory

Sections

.text
Size: 70KB - Virtual size: 70KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3.0MB - Virtual size: 3.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

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: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 424B

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

Sharing

General

Malware Config

Signatures

Files

25224432afaf13c692f24efcb620c38b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 70KB - Virtual size: 70KB

.rdata Size: 3.0MB - Virtual size: 3.0MB

.data Size: 3KB - Virtual size: 7KB

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

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

.gxfg Size: 4KB - Virtual size: 3KB

.retplne Size: 512B - Virtual size: 140B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 512B - Virtual size: 424B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 70KB - Virtual size: 70KB

.rdata
Size: 3.0MB - Virtual size: 3.0MB

.data
Size: 3KB - Virtual size: 7KB

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

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

.gxfg
Size: 4KB - Virtual size: 3KB

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 512B - Virtual size: 424B

.reloc
Size: 2KB - Virtual size: 1KB