2024-10-14_61e3b2dbbced06e8c3630cbbf6bc5da1_cobalt-strike_ryuk

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General

Target

2024-10-14_61e3b2dbbced06e8c3630cbbf6bc5da1_cobalt-strike_ryuk
Size

345KB
MD5

61e3b2dbbced06e8c3630cbbf6bc5da1
SHA1

54595d1e77b461d01b9775afb7770124dfc71420
SHA256

be8a6da1e157c601805da2858f273a5fc8053087b30d8fb5bceafb518fe0783e
SHA512

057aa1be27b523bd4d77a39dd6c843d1993f33e340464da160a4ee10f66b33e9dfcfba8d23d4317b5272385bded1049388a3fc8240af9dcaf3863094baf1fbd8
SSDEEP

6144:9aBOdZEvXPE0W0P0iSepQcxGnLIohCEJRuHj:sB6yPEm/pQcxMIofR2

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-14_61e3b2dbbced06e8c3630cbbf6bc5da1_cobalt-strike_ryuk

Files

2024-10-14_61e3b2dbbced06e8c3630cbbf6bc5da1_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

02cbc44b1b402e6cf566eeade6dd3fe8

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
CompareStringW
CreateEventW
CreateFileW
CreateProcessA
CreateProcessW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesExW
GetFileSizeEx
GetFileType
GetLargestConsoleWindowSize
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTickCount
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCursorInfo
SetConsoleCursorPosition
SetConsoleScreenBufferSize
SetConsoleTextAttribute
SetConsoleTitleA
SetConsoleWindowInfo
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

GetAsyncKeyState

ole32

CoCreateInstance
CoInitializeEx
CoTaskMemFree
CoUninitialize

winmm

PlaySoundW

rpcrt4

UuidFromStringA

Sections

.text
Size: 228KB - Virtual size: 228KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 86KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 88B

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

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

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: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

02cbc44b1b402e6cf566eeade6dd3fe8

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

winmm

rpcrt4

Sections

.text Size: 228KB - Virtual size: 228KB

.rdata Size: 86KB - Virtual size: 86KB

.data Size: 12KB - Virtual size: 18KB

.pdata Size: 11KB - Virtual size: 10KB

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

.gehcont Size: 512B - Virtual size: 88B

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

.voltbl Size: 512B - Virtual size: 58B

_RDATA Size: 512B - Virtual size: 244B

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

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

.text
Size: 228KB - Virtual size: 228KB

.rdata
Size: 86KB - Virtual size: 86KB

.data
Size: 12KB - Virtual size: 18KB

.pdata
Size: 11KB - Virtual size: 10KB

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

.gehcont
Size: 512B - Virtual size: 88B

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

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

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

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