2024-08-24_fa076a64996042d49cfca58d6f5495c5_cobalt-strike_ryuk

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General

Target

2024-08-24_fa076a64996042d49cfca58d6f5495c5_cobalt-strike_ryuk
Size

3.0MB
MD5

fa076a64996042d49cfca58d6f5495c5
SHA1

97e0958e68497b0dc5bcd62977f5049e6ff9ebbf
SHA256

707fd7fb0634234c53ea5d3e01d9db4ec6f928322a4eab6e5d70be0ecb01b481
SHA512

ba5f314aa31146e28c8cdb5ed07b57282b138751e5ae0b7c593c89f0a5fee216f14dd133cd1271214b08a9098160bb999c2cc8d6ad9f85bd861b005524203fe5
SSDEEP

49152:1lI/yFxnQf8RAlFdk2Jk+OkFAkpf/GkgzlHfG4PlXCZ/c2Tb7dPI078Qn:4lb3uzl5PoF/7d3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-24_fa076a64996042d49cfca58d6f5495c5_cobalt-strike_ryuk

Files

2024-08-24_fa076a64996042d49cfca58d6f5495c5_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

6c713e6f1f62cf9dacda42ab5226c874

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

Imports

user32

BeginPaint
DialogBoxParamW
DispatchMessageW
DrawFocusRect
GetDC
ValidateRect

gdi32

BitBlt
CreateCompatibleDC
DrawEscape
GdiAlphaBlend

kernel32

CloseHandle
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 891KB - Virtual size: 891KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 28B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.vmpmtb
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6c713e6f1f62cf9dacda42ab5226c874

Headers

DLL Characteristics

File Characteristics

Imports

user32

gdi32

kernel32

Sections

.text Size: 891KB - Virtual size: 891KB

.data Size: 5KB - Virtual size: 9KB

.pdata Size: 39KB - Virtual size: 39KB

.gehcont Size: 512B - Virtual size: 28B

.vmpmtb Size: 2.1MB - Virtual size: 2.1MB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 891KB - Virtual size: 891KB

.data
Size: 5KB - Virtual size: 9KB

.pdata
Size: 39KB - Virtual size: 39KB

.gehcont
Size: 512B - Virtual size: 28B

.vmpmtb
Size: 2.1MB - Virtual size: 2.1MB

.reloc
Size: 2KB - Virtual size: 1KB