2024-09-27_d4b5e8a23a64484f820707254c2a485a_cobalt-strike_ryuk

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General

Target

2024-09-27_d4b5e8a23a64484f820707254c2a485a_cobalt-strike_ryuk
Size

16.7MB
MD5

d4b5e8a23a64484f820707254c2a485a
SHA1

813b6dd2dd17974274435887ad12ef30dc37cf86
SHA256

051a73f7d17bbb59bdce46cb04198877031063542c6d835209d9fa2e4e49bb1a
SHA512

5b0b3ee54155f56ba0569509a8e2ff4fe9d43fa1c57efb8fbf314979b2bd501426e358fc7b97f578ea6cc40099149b03cf99692ec569df065a2df3f3dde3b9bd
SSDEEP

393216:pG/eFDPJQbU57sno5cABnM5SmZZ7cxeCpfpVP32lh:pGmFT6w56o5TCRZZ7meCpfpRg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-27_d4b5e8a23a64484f820707254c2a485a_cobalt-strike_ryuk

Files

2024-09-27_d4b5e8a23a64484f820707254c2a485a_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

b3223e81d9e8d97099a4e6a2eaa4cc71

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

shell32

SHFileOperationW
SHGetFolderPathW

kernel32

CloseHandle
CompareStringW
CreateDirectoryW
CreateFileW
CreateProcessW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceA
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadResource
LockResource
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEnvironmentVariableA
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 168KB - Virtual size: 167KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 83KB

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: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 16.5MB - Virtual size: 16.5MB

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

b3223e81d9e8d97099a4e6a2eaa4cc71

Headers

DLL Characteristics

File Characteristics

Imports

shell32

kernel32

Sections

.text Size: 168KB - Virtual size: 167KB

.rdata Size: 45KB - Virtual size: 45KB

.data Size: 3KB - Virtual size: 83KB

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

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

.gxfg Size: 6KB - Virtual size: 5KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 16.5MB - Virtual size: 16.5MB

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

.text
Size: 168KB - Virtual size: 167KB

.rdata
Size: 45KB - Virtual size: 45KB

.data
Size: 3KB - Virtual size: 83KB

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

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

.gxfg
Size: 6KB - Virtual size: 5KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 16.5MB - Virtual size: 16.5MB

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