2024-04-20_65a11e0305245e06bd34f5881f5460aa_cobalt-strike_ryuk

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General

Target

2024-04-20_65a11e0305245e06bd34f5881f5460aa_cobalt-strike_ryuk
Size

941KB
MD5

65a11e0305245e06bd34f5881f5460aa
SHA1

935827e03cdba1dfb9fb8ba101debd007bdf5dce
SHA256

abfd609e0ad9b73564dbb7b4a73383beb59b665de0eaf029d86ef602eda73ea0
SHA512

6f77457d59b5e41955ddd4d35d27bd70d446cdfb5d0a1fa9fc0916b49dc583f69d6c49f099f5566507015ba66d314e9593e911baccdb4cea70b89990ca48b27d
SSDEEP

12288:RXa/zF7JV3xWyy8XgqNznj9rCdm73bjxZgd4ZWLxGTFZEjcOcloVMJ+nk4ChfVB:Wz/VBY8Xf1jTgd9G3/lSQNB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-20_65a11e0305245e06bd34f5881f5460aa_cobalt-strike_ryuk

Files

2024-04-20_65a11e0305245e06bd34f5881f5460aa_cobalt-strike_ryuk
.exe windows:5 windows x64 arch:x64

77c086dd12f97380607d5abb615a09d3

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

D:\Workspace\chromnius\src\out\64\chrome_proxy.exe.pdb

Imports

advapi32

CreateProcessAsUserW
EventRegister
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
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
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
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
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
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

user32

AllowSetForegroundWindow
GetActiveWindow

ole32

CoTaskMemFree

winmm

timeGetTime

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 699KB - Virtual size: 699KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 134KB - Virtual size: 133KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 62KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 26KB - Virtual size: 25KB

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: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 92B

.tls
Size: 512B - Virtual size: 297B

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

77c086dd12f97380607d5abb615a09d3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

shell32

userenv

user32

ole32

winmm

Exports

Exports

Sections

.text Size: 699KB - Virtual size: 699KB

.rdata Size: 134KB - Virtual size: 133KB

.data Size: 62KB - Virtual size: 103KB

.pdata Size: 26KB - Virtual size: 25KB

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

.gxfg Size: 10KB - Virtual size: 9KB

.retplne Size: 512B - Virtual size: 92B

.tls Size: 512B - Virtual size: 297B

_RDATA Size: 512B - Virtual size: 348B

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

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 699KB - Virtual size: 699KB

.rdata
Size: 134KB - Virtual size: 133KB

.data
Size: 62KB - Virtual size: 103KB

.pdata
Size: 26KB - Virtual size: 25KB

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

.gxfg
Size: 10KB - Virtual size: 9KB

.retplne
Size: 512B - Virtual size: 92B

.tls
Size: 512B - Virtual size: 297B

_RDATA
Size: 512B - Virtual size: 348B

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

.reloc
Size: 4KB - Virtual size: 4KB