cosmu | 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader

General

Target
2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader
Size 332KB
Sample261016-ttcdjaad55
SHA256 b2e498a57764fc5b419c7d022a2017d757f76f24810b48e2bcd94400dffa64f6
MD5 54e341da42812c7501ef836e8bce9482
SHA1 5ad929f75ab211b2cd6daf446a3c1d3748ab7a04
SHA512 ebc891683e5f53f99bc28678872a4dc9848077d6189fa874dd7e9c5e858ab763cf66c4e8c599d0cee1b91a7edfefec7c19f21e0528519acf240985bee0c6bf0a
SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:+fBQGH6SfboAX+U4
TLSH
T12F7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

worm cosmu

Malware Config

Signatures

Family: Cosmu
Cosmu is a Windows worm written in C++.
worm cosmu

Detects Cosmu payload 1 IoCs

Cosmu is a worm written in C++.

resource	yara_rule
sample	family_cosmu

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader

.exe 332KB

2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 b2e498a57764fc5b419c7d022a2017d757f76f24810b48e2bcd94400dffa64f6
MD5 54e341da42812c7501ef836e8bce9482
SHA1 5ad929f75ab211b2cd6daf446a3c1d3748ab7a04
SHA512 ebc891683e5f53f99bc28678872a4dc9848077d6189fa874dd7e9c5e858ab763cf66c4e8c599d0cee1b91a7edfefec7c19f21e0528519acf240985bee0c6bf0a
SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:+fBQGH6SfboAX+U4
TLSH
T12F7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Detects Cosmu payload

Cosmu is a worm written in C++.
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

12335

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_ISOLATION

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

f:\workplace\c++\hannibal\release\hannibal.pdb

kernel32

CreateFileA GetFileSize FindResourceA SetFilePointer FreeLibrary LoadResource UpdateResourceA SetFileTime WriteFile GetDriveTypeA SizeofResource GetFileAttributesA ReadFile MultiByteToWideChar FindFirstFileA GetLastError CopyFileA SetFileAttributesA FindClose LockResource BeginUpdateResourceA GetModuleFileNameA FindNextFileA LoadLibraryExA EnumResourceNamesA GetFileTime EndUpdateResourceA WinExec CloseHandle DeleteFileA CompareStringW CompareStringA FlushFileBuffers GetTimeFormatA GetDateFormatA GetSystemTimeAsFileTime GetCommandLineA HeapFree GetVersionExA HeapAlloc GetProcessHeap GetStartupInfoA TerminateProcess GetCurrentProcess UnhandledExceptionFilter SetUnhandledExceptionFilter IsDebuggerPresent GetProcAddress GetModuleHandleA TlsGetValue TlsAlloc TlsSetValue TlsFree InterlockedIncrement SetLastError GetCurrentThreadId InterlockedDecrement GetCPInfo GetACP GetOEMCP Sleep WideCharToMultiByte GetTimeZoneInformation RaiseException ExitProcess GetStdHandle FreeEnvironmentStringsA GetEnvironmentStrings FreeEnvironmentStringsW GetEnvironmentStringsW SetHandleCount GetFileType DeleteCriticalSection HeapDestroy HeapCreate VirtualFree QueryPerformanceCounter GetTickCount GetCurrentProcessId GetConsoleCP GetConsoleMode EnterCriticalSection LeaveCriticalSection LCMapStringA LCMapStringW GetStringTypeA GetStringTypeW GetLocaleInfoA VirtualAlloc HeapReAlloc HeapSize LoadLibraryA InitializeCriticalSection RtlUnwind SetStdHandle WriteConsoleA GetConsoleOutputCP WriteConsoleW SetEnvironmentVariableA

ole32

CoUninitialize CoCreateInstance CoInitialize

Sharing