cosmu | 2026-10-24_89d321c7198e8ac01637c34151aedded_elex_rhadamanthys_smoke-loader

General

Target
2026-10-24_89d321c7198e8ac01637c34151aedded_elex_rhadamanthys_smoke-loader
Size 1.5MB
Sample261025-sshcqahz9n
SHA256 a5d5b6303441b1e49fb590ce60f76225b501e427f3c807e721e18da930d07eff
MD5 89d321c7198e8ac01637c34151aedded
SHA1 76a815c5802041172b38a539b5c3e780a0264790
SHA512 76335ba16040f17184dea3e6593c7b35ad425c1116852441020588e0c9d61a85fa7cb3306bcd9f60d0d491299848398b789cfed3763c81b0b73547f0055ace11
SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:vfBQGH6SfioAX+U4
TLSH
T18F7502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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
2026-10-24_89d321c7198e8ac01637c34151aedded_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-24_89d321c7198e8ac01637c34151aedded_elex_rhadamanthys_smoke-loader

.exe 1.5MB

2026-10-24_89d321c7198e8ac01637c34151aedded_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 a5d5b6303441b1e49fb590ce60f76225b501e427f3c807e721e18da930d07eff
MD5 89d321c7198e8ac01637c34151aedded
SHA1 76a815c5802041172b38a539b5c3e780a0264790
SHA512 76335ba16040f17184dea3e6593c7b35ad425c1116852441020588e0c9d61a85fa7cb3306bcd9f60d0d491299848398b789cfed3763c81b0b73547f0055ace11
SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:vfBQGH6SfioAX+U4
TLSH
T18F7502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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