2024-06-20_393e952a6df653aa99347e6b651c43cb_cobalt-strike_ryuk

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General

Target

2024-06-20_393e952a6df653aa99347e6b651c43cb_cobalt-strike_ryuk
Size

206KB
MD5

393e952a6df653aa99347e6b651c43cb
SHA1

21140f7239f98dc902e8689b280e979cb6e08f50
SHA256

aa74a0e3bcc9e05c7aaf7493d466fecefa50f39cd1d913314a39c53e0f3bad03
SHA512

70b1ace2246503f73398ac1a17f18429ceb56ea6b2d49d61beeb1c3c0e843d465518a8ec15901682b21ceca7db22c5e736c51b202f160387340e9950a443b2ef
SSDEEP

3072:heVSZB0zlSKxN7ou0w5kwgB//lhE5wpCJcPwDXCstrMu:8VtSoou0w7g//3MwoGPk1

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-20_393e952a6df653aa99347e6b651c43cb_cobalt-strike_ryuk

Files

2024-06-20_393e952a6df653aa99347e6b651c43cb_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

a45d27039ef2c47c6ba50aac0ef6737b

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

F:\code\APC-Injetc+Ntdll\x64\Release\APC-Injetc+Ntdll.pdb

Imports

kernel32

CloseHandle
CompareStringW
ConvertThreadToFiber
CreateFiber
CreateFileA
CreateFileMappingW
CreateFileW
DeleteCriticalSection
DeleteFiber
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
K32GetModuleInformation
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MapViewOfFile
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SwitchToFiber
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualProtect
WideCharToMultiByte
WriteConsoleW
WriteFile

rpcrt4

UuidFromStringA

Sections

.text
Size: 143KB - Virtual size: 142KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.voltbl
Size: 512B - Virtual size: 42B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 424B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a45d27039ef2c47c6ba50aac0ef6737b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

rpcrt4

Sections

.text Size: 143KB - Virtual size: 142KB

.rdata Size: 42KB - Virtual size: 41KB

.data Size: 10KB - Virtual size: 17KB

.pdata Size: 5KB - Virtual size: 4KB

.voltbl Size: 512B - Virtual size: 42B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 512B - Virtual size: 424B

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 143KB - Virtual size: 142KB

.rdata
Size: 42KB - Virtual size: 41KB

.data
Size: 10KB - Virtual size: 17KB

.pdata
Size: 5KB - Virtual size: 4KB

.voltbl
Size: 512B - Virtual size: 42B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 512B - Virtual size: 424B

.reloc
Size: 3KB - Virtual size: 3KB