2024-10-13_b2ac3213e11cfbe2eafbb71220ef3edd_cobalt-strike_ryuk

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General

Target

2024-10-13_b2ac3213e11cfbe2eafbb71220ef3edd_cobalt-strike_ryuk
Size

334KB
MD5

b2ac3213e11cfbe2eafbb71220ef3edd
SHA1

011fd8c4bc0bb47958268d8a158a7e83ee09320a
SHA256

71331af6f03c0494d5a46665d2f6cb364db4beacd5ba1cea7063b3adfc65bddb
SHA512

2acd86aead5633fa412fd2566f093d15d56d700d32d1d9e80c57429db316fd0fd1ef43532f4ad7c8f223fdd9212fe28a94f01112b3049d43cd5da71eec32623a
SSDEEP

6144:ab5YqqrJgPSvr5yfrsYOvvBHvsCH4PPqdmqvdsRTBohK8Sdp:uq+0r5yfrsYOvvhsFPqEqv4No4V

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-13_b2ac3213e11cfbe2eafbb71220ef3edd_cobalt-strike_ryuk

Files

2024-10-13_b2ac3213e11cfbe2eafbb71220ef3edd_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

a85154f6d7aad7de8ff0b1d649a7e927

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

PDB Paths

C:\Users\admin\Desktop\11\ConsoleApplication1\x64\Release\ConsoleApplication1.pdb

Imports

kernel32

CloseHandle
CompareStringW
CreateEventW
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
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

UnregisterClassA

ws2_32

WSAStartup
gethostname

iphlpapi

GetIfEntry
GetIpAddrTable

Sections

.text
Size: 220KB - Virtual size: 219KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 92B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a85154f6d7aad7de8ff0b1d649a7e927

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ws2_32

iphlpapi

Sections

.text Size: 220KB - Virtual size: 219KB

.rdata Size: 84KB - Virtual size: 83KB

.data Size: 5KB - Virtual size: 11KB

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

.00cfg Size: 512B - Virtual size: 48B

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

.gxfg Size: 8KB - Virtual size: 8KB

.retplne Size: 512B - Virtual size: 92B

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

_RDATA Size: 512B - Virtual size: 244B

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

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

.text
Size: 220KB - Virtual size: 219KB

.rdata
Size: 84KB - Virtual size: 83KB

.data
Size: 5KB - Virtual size: 11KB

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

.00cfg
Size: 512B - Virtual size: 48B

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

.gxfg
Size: 8KB - Virtual size: 8KB

.retplne
Size: 512B - Virtual size: 92B

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

_RDATA
Size: 512B - Virtual size: 244B

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

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