2024-05-21_fe93085cbb2599df88ce9ef482035ba3_cobalt-strike_ryuk

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General

Target

2024-05-21_fe93085cbb2599df88ce9ef482035ba3_cobalt-strike_ryuk
Size

959KB
MD5

fe93085cbb2599df88ce9ef482035ba3
SHA1

dad16965fa3f33305bde91c2bccb3edb5e25fb18
SHA256

9f64be0c9538360716d069bb821bbaf064e40863f68d8c96e9f9c7267ab77350
SHA512

7b78a75ae1c4635721a4c3d2f4389bcbf37092b2895146869b3bad05b13b6eba732bdf2c3d48c52f3bf730fe43f2c70161ea308d16e1323e7b9fd6ec14a4af10
SSDEEP

24576:N19eyLDxNuZKbBkjHEs2Hxr0pShvVTUajewZnnNFwP+jI6Crx6ayh:XvODEs2rqS7TJjewZnnNFwP+jI6C0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-21_fe93085cbb2599df88ce9ef482035ba3_cobalt-strike_ryuk

Files

2024-05-21_fe93085cbb2599df88ce9ef482035ba3_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

bbd6184e0caa6c17c7c1b74082b954c0

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

/home/jskinner/.release_build/build/gn/lto_win_x64/crash_handler.pdb

Imports

kernel32

CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileW
CreateIoCompletionPort
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateThread
DecodePointer
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
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
GetTimeZoneInformation
GetUserDefaultLCID
GetVersion
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitOnceBeginInitialize
InitOnceComplete
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MultiByteToWideChar
OpenProcess
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
QueryPerformanceCounter
RaiseException
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSemaphore
RemoveDirectoryW
ResetEvent
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
UnhandledExceptionFilter
UnlockFileEx
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualQueryEx
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile

winhttp

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

powrprof

CallNtPowerInformation

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ImpersonateNamedPipeClient
RegCloseKey
RegOpenKeyExW
RegQueryValueExA
RegQueryValueExW
RevertToSelf
SystemFunction036

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
GetWindowLongPtrW
PostMessageW
RegisterClassW
SetWindowLongPtrW
TranslateMessage
UnregisterClassW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

Sections

.text
Size: 519KB - Virtual size: 520KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 241KB - Virtual size: 244KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 10KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 130KB - Virtual size: 130KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bbd6184e0caa6c17c7c1b74082b954c0

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

winhttp

powrprof

advapi32

user32

version

Sections

.text Size: 519KB - Virtual size: 520KB

.rdata Size: 241KB - Virtual size: 244KB

.data Size: 14KB - Virtual size: 24KB

.pdata Size: 40KB - Virtual size: 40KB

.00cfg Size: 512B - Virtual size: 4KB

.gxfg Size: 10KB - Virtual size: 12KB

.tls Size: 512B - Virtual size: 4KB

CPADinfo Size: 512B - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 4KB

.rsrc Size: 130KB - Virtual size: 130KB

.text
Size: 519KB - Virtual size: 520KB

.rdata
Size: 241KB - Virtual size: 244KB

.data
Size: 14KB - Virtual size: 24KB

.pdata
Size: 40KB - Virtual size: 40KB

.00cfg
Size: 512B - Virtual size: 4KB

.gxfg
Size: 10KB - Virtual size: 12KB

.tls
Size: 512B - Virtual size: 4KB

CPADinfo
Size: 512B - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 4KB

.rsrc
Size: 130KB - Virtual size: 130KB