2024-06-04_83ac70932324727656647e4ea6b8b508_cobalt-strike_ryuk

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General

Target

2024-06-04_83ac70932324727656647e4ea6b8b508_cobalt-strike_ryuk
Size

148KB
MD5

83ac70932324727656647e4ea6b8b508
SHA1

b9046f68afe2ca53445f6a2bf083d7960c739846
SHA256

44d986b75a474c4a33f12bde4a1c61c0d865f767507d9bf758122dfee0657127
SHA512

20ee96936d92e00a25ec5f7b3fc026b3c8d93a18f6f250c5fa25ec7abaa2826b044a33ec5553a1080f01cad31b0eba1a045a7b6ba2a19eb3cdd468acc71a7b70
SSDEEP

3072:QXAwPBjtsQca2wTbW62Q9NuopjIajwcxfkfyE5bS22z3q3Z:Qz5jKk2wTbWY9NPjIeLVE3Sq3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-04_83ac70932324727656647e4ea6b8b508_cobalt-strike_ryuk

Files

2024-06-04_83ac70932324727656647e4ea6b8b508_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

1e3ac44e166d65b8f57f7ca8d20c2626

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

Sections

.text
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

_RDATA
Size: 512B - Virtual size: 500B

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

1e3ac44e166d65b8f57f7ca8d20c2626

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 89KB - Virtual size: 88KB

.rdata Size: 41KB - Virtual size: 40KB

.data Size: 4KB - Virtual size: 8KB

.pdata Size: 5KB - Virtual size: 4KB

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

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

_RDATA Size: 512B - Virtual size: 500B

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

.text
Size: 89KB - Virtual size: 88KB

.rdata
Size: 41KB - Virtual size: 40KB

.data
Size: 4KB - Virtual size: 8KB

.pdata
Size: 5KB - Virtual size: 4KB

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

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

_RDATA
Size: 512B - Virtual size: 500B

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