cosmu | 2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader

General

Target
2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader
Size 1.5MB
Sample260730-ftr74adj6s
SHA256 0210e010760ebc55882098c03778376cdf3e68998de4412fef76a594393c0075
MD5 9c8336d0542162e5cd21ca392ac0d62d
SHA1 e95acad91bd1a454a53f41d1ff59d201c66ec794
SHA512 ce84b1315f7c5ff8707d9ebf1d00a3aad0d85323defcefe6db6c389d5b4bff2838cbb5d6a85a6e54529e4877177151624660299016e69dece7cbc2551bd31f17
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:efBQGH6SfioAX+U4
TLSH
T1B66502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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
2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader

File Explorer

2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader

.exe 1.5MB

2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 0210e010760ebc55882098c03778376cdf3e68998de4412fef76a594393c0075
MD5 9c8336d0542162e5cd21ca392ac0d62d
SHA1 e95acad91bd1a454a53f41d1ff59d201c66ec794
SHA512 ce84b1315f7c5ff8707d9ebf1d00a3aad0d85323defcefe6db6c389d5b4bff2838cbb5d6a85a6e54529e4877177151624660299016e69dece7cbc2551bd31f17
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:efBQGH6SfioAX+U4
TLSH
T1B66502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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