cosmu | 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader

General

Target
2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader
Size 1.5MB
Sample261027-ardn2azybx
SHA256 503b513bd56d7436fec567140033e3713ba34cbf7f53d27d412e4fd171e0634e
MD5 6fcd49026f1ba4a7997bbf99fc1aa210
SHA1 5003ca49189d7797c8e80274d8414088a325d1c9
SHA512 db6d96583084fbd25ba004a217843e294728ff0c91d811b5c687b84e6ee589da6dbb0c00bde243bf68cd45ed7294941a36866f6c4c9dab67cec275e34b79767c
SSDEEP 6144:ZFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:ufBQGH6SfioAX+U4
TLSH
T1816502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader

.exe 1.5MB

2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 503b513bd56d7436fec567140033e3713ba34cbf7f53d27d412e4fd171e0634e
MD5 6fcd49026f1ba4a7997bbf99fc1aa210
SHA1 5003ca49189d7797c8e80274d8414088a325d1c9
SHA512 db6d96583084fbd25ba004a217843e294728ff0c91d811b5c687b84e6ee589da6dbb0c00bde243bf68cd45ed7294941a36866f6c4c9dab67cec275e34b79767c
SSDEEP 6144:ZFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:ufBQGH6SfioAX+U4
TLSH
T1816502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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