2024-08-21_3e6465af20a4e0bf4a26ea8b90942aa0_cobalt-strike_ryuk

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General

Target

2024-08-21_3e6465af20a4e0bf4a26ea8b90942aa0_cobalt-strike_ryuk
Size

4.2MB
MD5

3e6465af20a4e0bf4a26ea8b90942aa0
SHA1

08f83f6a95aabc02f85db3e3345b6eb71787a2f3
SHA256

e224df96652ab8189dee4b39342cd40113c3138bed71c614e85103dfdf4c8af2
SHA512

9c85483e7feceda6ae86b508cace8639ccddfa78588ad00c79ca6e3f4bd3ba543719fabf13570260ee954b24472b050b816613ea5c0bbd5999337ea97fd789ce
SSDEEP

98304:HO2R5OE3TkJ/xwhG0a0XH78OrjWRN6stXj4MQ/80SxlUQmhKUb34w:HxO0k9xK4uH78OnQtMSPDUQmh531

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-21_3e6465af20a4e0bf4a26ea8b90942aa0_cobalt-strike_ryuk

Files

2024-08-21_3e6465af20a4e0bf4a26ea8b90942aa0_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

9a9448e5e556daeceacaf0a390d2a953

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

Sections

.text
Size: 189KB - Virtual size: 189KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 99KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.fptable
Size: 512B - Virtual size: 256B

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

.rsrc
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9a9448e5e556daeceacaf0a390d2a953

Headers

DLL Characteristics

File Characteristics

Imports

shell32

kernel32

Sections

.text Size: 189KB - Virtual size: 189KB

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

.data Size: 19KB - Virtual size: 99KB

.pdata Size: 7KB - Virtual size: 6KB

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

.fptable Size: 512B - Virtual size: 256B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 3.9MB - Virtual size: 3.9MB

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

.text
Size: 189KB - Virtual size: 189KB

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

.data
Size: 19KB - Virtual size: 99KB

.pdata
Size: 7KB - Virtual size: 6KB

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

.fptable
Size: 512B - Virtual size: 256B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 3.9MB - Virtual size: 3.9MB

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