cosmu | 2026-06-28_3b405bf150b23f3a6a67d49f25c019d8_elex_rhadamanthys_smoke-loader

General

Target
2026-06-28_3b405bf150b23f3a6a67d49f25c019d8_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260628-28tkcsgs5s
SHA256 3ea84e062168fa99ac8ff41af01d42eca5bcf9cebaed99ae0ef9d2dc1326f7d4
MD5 3b405bf150b23f3a6a67d49f25c019d8
SHA1 51bce707634d3104c36a953cf04614a0304ec706
SHA512 c2e50b255906ca817f527a6cfb3fe32a63e305b9c04e1ac4544adf50314c6816a4c8d79a23b50f3fed400673915d0d035af59f7de501cbc9af26d958ab37a0c4
SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqTToAXjiU4bzN:bfBQGH6SfnoAX+U49
TLSH
T10C54F2457DA3D4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
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
2026-06-28_3b405bf150b23f3a6a67d49f25c019d8_elex_rhadamanthys_smoke-loader

File Explorer

2026-06-28_3b405bf150b23f3a6a67d49f25c019d8_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-06-28_3b405bf150b23f3a6a67d49f25c019d8_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 3ea84e062168fa99ac8ff41af01d42eca5bcf9cebaed99ae0ef9d2dc1326f7d4
MD5 3b405bf150b23f3a6a67d49f25c019d8
SHA1 51bce707634d3104c36a953cf04614a0304ec706
SHA512 c2e50b255906ca817f527a6cfb3fe32a63e305b9c04e1ac4544adf50314c6816a4c8d79a23b50f3fed400673915d0d035af59f7de501cbc9af26d958ab37a0c4
SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqTToAXjiU4bzN:bfBQGH6SfnoAX+U49
TLSH
T10C54F2457DA3D4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
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