2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk

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General

Target

2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk
Size

12.6MB
MD5

9a11d578aec96645e55e6d3ad1a10754
SHA1

68081fd06eb00b786eedd77d04bf2bcdd8c96c59
SHA256

41f3765a0f5435e542209f28978ed7ebcadee49913ad39ca5e07bf3fd65e365d
SHA512

ed422416b6268d9b34d5c007db106532b3f9d23786fcb9c06c05cd5f741381b5668a9a75feeda7ae2aa21fe3f55dd19ab85a55fe8685ac9a382036cefc89139a
SSDEEP

196608:t1dTxDY6HrI5x0wcs3FUYQUWzaf5hjlzQXP5vOjKAlAKTEEO7V8gi+:xpjr+OwcsVUYQUW+hhpexUKTK6h

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk

Files

2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk
.exe windows:4 windows x64 arch:x64

7bb4e8cef6a9f350a8f5dc71e7b3773c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AcquireSRWLockExclusive
CloseHandle
CreateFileW
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
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualProtect
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 277KB - Virtual size: 277KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10.7MB - Virtual size: 10.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.fptable
Size: 512B - Virtual size: 256B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 1024B - Virtual size: 640B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 436B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 317KB - Virtual size: 316KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7bb4e8cef6a9f350a8f5dc71e7b3773c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 277KB - Virtual size: 277KB

.rdata Size: 10.7MB - Virtual size: 10.7MB

.data Size: 1.3MB - Virtual size: 1.3MB

.pdata Size: 17KB - Virtual size: 17KB

.fptable Size: 512B - Virtual size: 256B

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

_RDATA Size: 1024B - Virtual size: 640B

.rsrc Size: 512B - Virtual size: 436B

.reloc Size: 317KB - Virtual size: 316KB

.text
Size: 277KB - Virtual size: 277KB

.rdata
Size: 10.7MB - Virtual size: 10.7MB

.data
Size: 1.3MB - Virtual size: 1.3MB

.pdata
Size: 17KB - Virtual size: 17KB

.fptable
Size: 512B - Virtual size: 256B

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

_RDATA
Size: 1024B - Virtual size: 640B

.rsrc
Size: 512B - Virtual size: 436B

.reloc
Size: 317KB - Virtual size: 316KB