2024-08-05_8be4e27fd42bc3c5e941d05915ee648c_cobalt-strike_ryuk

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General

Target

2024-08-05_8be4e27fd42bc3c5e941d05915ee648c_cobalt-strike_ryuk
Size

1.6MB
MD5

8be4e27fd42bc3c5e941d05915ee648c
SHA1

4b2dc39da76e06e15402388f645907392b90613b
SHA256

581fd050037f4b27165af0e8b5245ff7eb50fbe648380805c3db1bd414f9b3d6
SHA512

81c10595e468b34fe8335cd17eb0b68e8ef533b8ac216658e757653eea5b4fe6370b8f084ceae61b4beac15b105f502689cdd0985fc67f43f569db897ff2ce2b
SSDEEP

49152:LM+XgcnyGCjaLnrCggls8Kgkh3sF63iekKdLc6GgsALJx1:UXG7LnfLl5sALJx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-05_8be4e27fd42bc3c5e941d05915ee648c_cobalt-strike_ryuk

Files

2024-08-05_8be4e27fd42bc3c5e941d05915ee648c_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

5b8e1666586feea5826ae20d95f727c0

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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/bin/third_party/crashpad/crashpad/handler/crashpad_handler.pdb

Imports

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ImpersonateNamedPipeClient
RegCloseKey
RegOpenKeyExW
RegQueryValueExA
RegQueryValueExW
RevertToSelf
SystemFunction036

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
GetWindowLongPtrW
PostMessageW
RegisterClassW
SetWindowLongPtrW
TranslateMessage
UnregisterClassW

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetTimeouts
WinHttpWriteData

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

powrprof

CallNtPowerInformation

kernel32

AcquireSRWLockExclusive
AddVectoredExceptionHandler
CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileW
CreateIoCompletionPort
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateThread
DeleteCriticalSection
DeleteFileW
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetThreadLocale
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersion
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MultiByteToWideChar
OpenProcess
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
QueryPerformanceCounter
RaiseException
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
UnhandledExceptionFilter
UnlockFileEx
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualQueryEx
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile

Sections

.text
Size: 776KB - Virtual size: 775KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 264KB - Virtual size: 264KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 10KB - Virtual size: 10KB

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

CPADinfo
Size: 512B - Virtual size: 56B

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

.reloc
Size: 572KB - Virtual size: 576KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

5b8e1666586feea5826ae20d95f727c0

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

user32

winhttp

version

powrprof

kernel32

Sections

.text Size: 776KB - Virtual size: 775KB

.rdata Size: 264KB - Virtual size: 264KB

.data Size: 17KB - Virtual size: 27KB

.pdata Size: 42KB - Virtual size: 42KB

.gxfg Size: 10KB - Virtual size: 10KB

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

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 348B

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 776KB - Virtual size: 775KB

.rdata
Size: 264KB - Virtual size: 264KB

.data
Size: 17KB - Virtual size: 27KB

.pdata
Size: 42KB - Virtual size: 42KB

.gxfg
Size: 10KB - Virtual size: 10KB

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

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 348B

.reloc
Size: 572KB - Virtual size: 576KB