2024-10-02_27ece86071a99f4ed69a518251f37302_cobalt-strike_ryuk

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General

Target

2024-10-02_27ece86071a99f4ed69a518251f37302_cobalt-strike_ryuk
Size

21.9MB
MD5

27ece86071a99f4ed69a518251f37302
SHA1

b8c2cae991b927da44a7205e439b29f53b232f06
SHA256

7258e81d7d087a295c6592dba16d7add02965cf9a69b91983016a91bfc0eb7b3
SHA512

83de0482920b411957fab20607680cb9b4651774e206d6b0ff1218c5ed2e85d9482b13f0e78375ae57966c9c54047c7bc5abac4fe0df53b17d4a93b87965651c
SSDEEP

393216:7mOr++gwR6y31Zx09RB3Dedg5ikLPC8Jb+gaVCDVPJ4RmbFxdkN:7mClgwLTx09Eg5ikrC0bQCDM2Fxs

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-02_27ece86071a99f4ed69a518251f37302_cobalt-strike_ryuk

Files

2024-10-02_27ece86071a99f4ed69a518251f37302_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

75900c60bbaff791bc4e2b93a027e6fc

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

PDB Paths

/proc/self/cwd/blaze-out/x86_64-opt-nocgo-ST-f85dc8a17ae2/bin/play/desktop/services/installer/installer_windows_binary/GooglePlayGamesServicesInstaller.pdb

Imports

flutter_windows

FlutterDesktopEngineCreate
FlutterDesktopEngineDestroy
FlutterDesktopEngineGetMessenger
FlutterDesktopEngineGetPluginRegistrar
FlutterDesktopEngineReloadSystemFonts
FlutterDesktopGetDpiForMonitor
FlutterDesktopMessengerAddRef
FlutterDesktopMessengerIsAvailable
FlutterDesktopMessengerLock
FlutterDesktopMessengerRelease
FlutterDesktopMessengerSend
FlutterDesktopMessengerSendResponse
FlutterDesktopMessengerSendWithReply
FlutterDesktopMessengerSetCallback
FlutterDesktopMessengerUnlock
FlutterDesktopResyncOutputStreams
FlutterDesktopViewControllerCreate
FlutterDesktopViewControllerDestroy
FlutterDesktopViewControllerGetView
FlutterDesktopViewControllerHandleTopLevelWindowProc
FlutterDesktopViewGetHWND

kernel32

AcquireSRWLockExclusive
AllocConsole
AttachConsole
CloseHandle
CompareStringW
CreateEventW
CreateFileW
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LocalFree
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetClientRect
GetMessageW
GetWindowLongPtrW
LoadCursorW
LoadStringW
MonitorFromPoint
MoveWindow
PostQuitMessage
RegisterClassW
SetFocus
SetParent
SetWindowLongPtrW
SetWindowPos
ShowWindow
TranslateMessage
UnregisterClassW

ole32

CoInitializeEx
CoUninitialize

advapi32

RegGetValueW

dwmapi

DwmSetWindowAttribute

shell32

CommandLineToArgvW

Sections

.text
Size: 359KB - Virtual size: 358KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 100KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 9KB

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

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

75900c60bbaff791bc4e2b93a027e6fc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

flutter_windows

kernel32

user32

ole32

advapi32

dwmapi

shell32

Sections

.text Size: 359KB - Virtual size: 358KB

.rdata Size: 100KB - Virtual size: 100KB

.data Size: 9KB - Virtual size: 20KB

.pdata Size: 17KB - Virtual size: 16KB

.gxfg Size: 9KB - Virtual size: 9KB

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 2KB - Virtual size: 2KB

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

.text
Size: 359KB - Virtual size: 358KB

.rdata
Size: 100KB - Virtual size: 100KB

.data
Size: 9KB - Virtual size: 20KB

.pdata
Size: 17KB - Virtual size: 16KB

.gxfg
Size: 9KB - Virtual size: 9KB

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 2KB - Virtual size: 2KB

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