2024-06-28_21cb548b5c4adfd61de94401705c7c7c_cobalt-strike_ryuk

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General

Target
2024-06-28_21cb548b5c4adfd61de94401705c7c7c_cobalt-strike_ryuk
Size 133KB
Sample240628-3pd61avglb
SHA256 f3dcf92555004bd3f6ee9b48bcb1f8d6a249828219d18054bbb2a82d8c86a790
MD5 21cb548b5c4adfd61de94401705c7c7c
SHA1 f4223a790bba82bb42a93fe6ad3b3fae1a48edb5
SHA512 feaf60fb4a3a1deb09227ab2ff6f749698405df112682a78c20216006b56db2a7e443bb556440953c87c2f95bf3b1023eb79a5d0d56dafdebdbc0c3924744b8b
SSDEEP 3072:QQcN/pB0CKt0dtM9sJUU/Bd+wYj/6oflZ6Bu:/qH0tUkEBY+
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-28_21cb548b5c4adfd61de94401705c7c7c_cobalt-strike_ryuk

File Explorer

2024-06-28_21cb548b5c4adfd61de94401705c7c7c_cobalt-strike_ryuk

.exe 133KB

2024-06-28_21cb548b5c4adfd61de94401705c7c7c_cobalt-strike_ryuk

IMPHASH d5e662b1f81a97e2e479e03d1a4b2f09
SHA256 f3dcf92555004bd3f6ee9b48bcb1f8d6a249828219d18054bbb2a82d8c86a790
MD5 21cb548b5c4adfd61de94401705c7c7c
SHA1 f4223a790bba82bb42a93fe6ad3b3fae1a48edb5
SHA512 feaf60fb4a3a1deb09227ab2ff6f749698405df112682a78c20216006b56db2a7e443bb556440953c87c2f95bf3b1023eb79a5d0d56dafdebdbc0c3924744b8b
SSDEEP 3072:QQcN/pB0CKt0dtM9sJUU/Bd+wYj/6oflZ6Bu:/qH0tUkEBY+
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

10380

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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\UnhookingPatch\x64\Release\UnhookingPatch.pdb

kernel32

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

ntdll

NtAllocateVirtualMemory NtCreateThreadEx NtProtectVirtualMemory NtWaitForSingleObject RtlEthernetStringToAddressA

Name

.text

Size

74KB

Virtual Size

74KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

44KB

Virtual Size

44KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

4KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.00cfg

Size

512B

Virtual Size

40B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.voltbl

Size

512B

Virtual Size

42B

Characteristics

Name

_RDATA

Size

512B

Virtual Size

252B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

512B

Virtual Size

424B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2024-06-28_21cb548b5c4adfd61de94401705c7c7c_cobalt-strike_ryuk

kernel32

ntdll

generic