cosmu | 2026-10-22_8938d7856655a8c6e69aaae6aee6e113_elex_rhadamanthys_smoke-loader

General

Target
2026-10-22_8938d7856655a8c6e69aaae6aee6e113_elex_rhadamanthys_smoke-loader
Size 284KB
Sample261024-gfmk5asxbs
SHA256 fa2741e6aac51f5c1b59226afaa7050e30def93167375f6ad785873b9dd9b6d6
MD5 8938d7856655a8c6e69aaae6aee6e113
SHA1 6e6c498c2338f30fd9d5685f9c03a92a28568526
SHA512 fd45df9fa363147a8e826f578b2702b72ebf6db44d39a0afc07cfc19b40abab75b19ddd805555dd81c17a02e50abbd283ff9d6dd4ca42843b846b81c7ee97756
SSDEEP 6144:rFlKgzelZNQSBQGH/CSpWqTOoAXjiU4bzF:UfBQGH6SfaoAX+U41
TLSH
T1655402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6761
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
2026-10-22_8938d7856655a8c6e69aaae6aee6e113_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-22_8938d7856655a8c6e69aaae6aee6e113_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-10-22_8938d7856655a8c6e69aaae6aee6e113_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 fa2741e6aac51f5c1b59226afaa7050e30def93167375f6ad785873b9dd9b6d6
MD5 8938d7856655a8c6e69aaae6aee6e113
SHA1 6e6c498c2338f30fd9d5685f9c03a92a28568526
SHA512 fd45df9fa363147a8e826f578b2702b72ebf6db44d39a0afc07cfc19b40abab75b19ddd805555dd81c17a02e50abbd283ff9d6dd4ca42843b846b81c7ee97756
SSDEEP 6144:rFlKgzelZNQSBQGH/CSpWqTOoAXjiU4bzF:UfBQGH6SfaoAX+U41
TLSH
T1655402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6761
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