2024-06-04_9623bfdb5659a04c05ee78466797405b_cobalt-strike_ryuk

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General

Target

2024-06-04_9623bfdb5659a04c05ee78466797405b_cobalt-strike_ryuk
Size

190KB
MD5

9623bfdb5659a04c05ee78466797405b
SHA1

dc13bffdbefb2ecc61fb79d73797b643b2ba90be
SHA256

e737b6c9c5f4db595c92da77f040418457a4ae386632997743cc3632f59ce29b
SHA512

691551395af25e66667e4d8c29381103313b9f25737c5f88698d42755251155eb240e08f5646da02137f7ef90aab1357a9eb631d7f8399137b8a54807224fe54
SSDEEP

3072:udiZXS3bJs5q5TN5L/Eelyp7Dq83ISy4lWYTxyUHN00Ec2jGEi27tzkC:QLioB5znypy83ISDoUt00EcAxzk

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-04_9623bfdb5659a04c05ee78466797405b_cobalt-strike_ryuk

Files

2024-06-04_9623bfdb5659a04c05ee78466797405b_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

b4125ea78532aa1be4edd20c26d024bc

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
CreateFileA
CreateFileW
CreateToolhelp32Snapshot
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileAttributesA
GetFileAttributesW
GetFileSize
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
Process32FirstW
Process32NextW
QueryPerformanceCounter
RaiseException
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 337B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

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

b4125ea78532aa1be4edd20c26d024bc

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 121KB - Virtual size: 121KB

.rdata Size: 44KB - Virtual size: 43KB

.data Size: 7KB - Virtual size: 20KB

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

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

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 337B

_RDATA Size: 512B - Virtual size: 500B

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

.text
Size: 121KB - Virtual size: 121KB

.rdata
Size: 44KB - Virtual size: 43KB

.data
Size: 7KB - Virtual size: 20KB

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

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

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 337B

_RDATA
Size: 512B - Virtual size: 500B

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