cosmu | 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader

General

Target
2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader
Size 288KB
Sample261026-hy7vfsvxhs
SHA256 a9bcfa90ff7c55a802f8b3444a45f73747fbfbe033ae5af9d08fde9e2ce526f4
MD5 eec693bb6439af198b1e11106137fa53
SHA1 937e23b868ffd2985c8627ec0820d75ea9f124f0
SHA512 a76689fca78ac93cbdbceb59914dda8de7f624063291adab117657a2be41afa12e356346cd129e2927b4631b68f62bfb14945fad09f58a0f9cc2067f2ff48975
SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqT8oAXjiU4bzN:MfBQGH6SfYoAX+U49
TLSH
T1995401917DA2D8B3C0419A3148A6CFA197376D139A65D203FBAD1F4B2F713D49B7A302
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
2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader

.exe 288KB

2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 a9bcfa90ff7c55a802f8b3444a45f73747fbfbe033ae5af9d08fde9e2ce526f4
MD5 eec693bb6439af198b1e11106137fa53
SHA1 937e23b868ffd2985c8627ec0820d75ea9f124f0
SHA512 a76689fca78ac93cbdbceb59914dda8de7f624063291adab117657a2be41afa12e356346cd129e2927b4631b68f62bfb14945fad09f58a0f9cc2067f2ff48975
SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqT8oAXjiU4bzN:MfBQGH6SfYoAX+U49
TLSH
T1995401917DA2D8B3C0419A3148A6CFA197376D139A65D203FBAD1F4B2F713D49B7A302
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