cosmu | 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader

General

Target
2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader
Size 344KB
Sample261012-ymf6csas8j
SHA256 5475cbaa6f68c04c9cb6b89d2701d284a4d4582387c69b8a22a74cf2a9829667
MD5 65391eb983969b8865b92aa93a2df698
SHA1 265f9c0ac30cfbf3f596ef6e26bb42211dcb4b06
SHA512 ec6b12d7396b60813aacdc7fdd3cb7e05b402b742a11e504fbd74f9d03ab4b3730f450bf59f77bba13069f12f91f6bc0e25c3c7f6da38f8092c298432430b0f9
SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTNw/oAXjiU4bz:kfBQGH6SfG/oAX+U4
TLSH
T13374D0003A9ECBB2D3C249318CAEFAE1477A7C2FAB559137F7983B0F1E712845656251
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
2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader

.exe 344KB

2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 5475cbaa6f68c04c9cb6b89d2701d284a4d4582387c69b8a22a74cf2a9829667
MD5 65391eb983969b8865b92aa93a2df698
SHA1 265f9c0ac30cfbf3f596ef6e26bb42211dcb4b06
SHA512 ec6b12d7396b60813aacdc7fdd3cb7e05b402b742a11e504fbd74f9d03ab4b3730f450bf59f77bba13069f12f91f6bc0e25c3c7f6da38f8092c298432430b0f9
SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTNw/oAXjiU4bz:kfBQGH6SfG/oAX+U4
TLSH
T13374D0003A9ECBB2D3C249318CAEFAE1477A7C2FAB559137F7983B0F1E712845656251
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