2024-06-15_a40d789c129cca984533cfb141b9a965_cobalt-strike_ryuk

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General

Target

2024-06-15_a40d789c129cca984533cfb141b9a965_cobalt-strike_ryuk
Size

545KB
MD5

a40d789c129cca984533cfb141b9a965
SHA1

f1e864b4e0d9bce95ea519438046054e8e359702
SHA256

ee54168db8f71fce169e25362b681976a194b6860e879173fda9019cd0ec2c52
SHA512

440ba372ba3fee2294536172229ee3c90c630ca91b65e7ad4baf0099e0e371fe8c896298a94e806971a37e540083af9bb60895d8285e8713dac9502982f3623a
SSDEEP

6144:Bxr3DA666m+WiKtFIVtjB3VeBzgrxj9Hm+YmWdCH9olgXmJ4qV8zP6asr1zNohF:nAMpl04B6iE1ho

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-15_a40d789c129cca984533cfb141b9a965_cobalt-strike_ryuk

Files

2024-06-15_a40d789c129cca984533cfb141b9a965_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

f48351d1411027684cdab29b389ef0a6

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CloseHandle
CompareStringW
CreateEventW
CreateFileW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
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
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

Sections

.text
Size: 440KB - Virtual size: 439KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 75KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 13KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 60B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f48351d1411027684cdab29b389ef0a6

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 440KB - Virtual size: 439KB

.rdata Size: 75KB - Virtual size: 74KB

.data Size: 13KB - Virtual size: 20KB

.pdata Size: 10KB - Virtual size: 9KB

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

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

.voltbl Size: 512B - Virtual size: 60B

_RDATA Size: 512B - Virtual size: 244B

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 440KB - Virtual size: 439KB

.rdata
Size: 75KB - Virtual size: 74KB

.data
Size: 13KB - Virtual size: 20KB

.pdata
Size: 10KB - Virtual size: 9KB

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

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

.voltbl
Size: 512B - Virtual size: 60B

_RDATA
Size: 512B - Virtual size: 244B

.reloc
Size: 4KB - Virtual size: 4KB