2024-08-23_55e13a6a315bf5a38e6053e6cf4a0c4f_cobalt-strike_ryuk

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General

Target

2024-08-23_55e13a6a315bf5a38e6053e6cf4a0c4f_cobalt-strike_ryuk
Size

1.1MB
MD5

55e13a6a315bf5a38e6053e6cf4a0c4f
SHA1

77e4aaf2ed2d1c5a35fadb956a27ba7a36fba0cf
SHA256

392dfb18a6c3a8a946b9f672ab484b4993b0ba00d765a8d5af5b66f2ea26c9f5
SHA512

54de2ed9f3376165e0f13d24e80ba3279e9303e7a1e6d5f82ccf69aa73ba965f6fff41d785863e8ce754b190f88599f0af34d2e4c77a373e21f99312049fde65
SSDEEP

12288:W0xrJ8k01u2kB5I9AwuyE9+1ZDOz/cl0a5FT5Igg5GGb6U/CQEAopzUMA+nkodKr:nPV2hS1+1ew0ajTioGd2Av

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-23_55e13a6a315bf5a38e6053e6cf4a0c4f_cobalt-strike_ryuk

Files

2024-08-23_55e13a6a315bf5a38e6053e6cf4a0c4f_cobalt-strike_ryuk
.exe windows:5 windows x64 arch:x64

f8a43139123c8294cf58dfe7be4c431d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

P:\5555\src\out\release_static_64\chrome_proxy.exe.pdb

Imports

advapi32

CreateProcessAsUserW
EventRegister
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

winmm

timeGetTime

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalFree
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

user32

AllowSetForegroundWindow
GetActiveWindow

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

ole32

CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 893KB - Virtual size: 892KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 163KB - Virtual size: 163KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 62KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

.tls
Size: 512B - Virtual size: 473B

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

malloc_h
Size: 512B - Virtual size: 230B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f8a43139123c8294cf58dfe7be4c431d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

winmm

kernel32

userenv

user32

shell32

ole32

Exports

Exports

Sections

.text Size: 893KB - Virtual size: 892KB

.rdata Size: 163KB - Virtual size: 163KB

.data Size: 62KB - Virtual size: 112KB

.pdata Size: 33KB - Virtual size: 32KB

.00cfg Size: 512B - Virtual size: 48B

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

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

.tls Size: 512B - Virtual size: 473B

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 512B - Virtual size: 230B

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

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

.text
Size: 893KB - Virtual size: 892KB

.rdata
Size: 163KB - Virtual size: 163KB

.data
Size: 62KB - Virtual size: 112KB

.pdata
Size: 33KB - Virtual size: 32KB

.00cfg
Size: 512B - Virtual size: 48B

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

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

.tls
Size: 512B - Virtual size: 473B

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 512B - Virtual size: 230B

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

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