cosmu | 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader

General

Target
2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader
Size 652KB
Sample261014-k7cf1sfd64
SHA256 c47b5269e904c8eeb623a594ed89b720926638b882739ca1dc53d65a7cd241dc
MD5 ec4b66a139e8ee2634d3a42fe0c5989e
SHA1 2f6a9924d8bada81e89aa5ec93746793a050fc4c
SHA512 f111bfdf7c370c2d3150eb6a975fa6e08281fba943cf7cd5df92718e74219b6f6c4fd14efb8937afd9235e4ce922dd386080ad5403bb212a5d755229a3b2a62e
SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTFFPPoAXjiU4bz:2fBQGH6SfLPoAX+U4
TLSH
T1A9E45A053685CF61C01F15B2C8A3C6F4172BBE02ED4197DBB7C9BF1A39F22A96A51193
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
2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader

.exe 652KB

2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 c47b5269e904c8eeb623a594ed89b720926638b882739ca1dc53d65a7cd241dc
MD5 ec4b66a139e8ee2634d3a42fe0c5989e
SHA1 2f6a9924d8bada81e89aa5ec93746793a050fc4c
SHA512 f111bfdf7c370c2d3150eb6a975fa6e08281fba943cf7cd5df92718e74219b6f6c4fd14efb8937afd9235e4ce922dd386080ad5403bb212a5d755229a3b2a62e
SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTFFPPoAXjiU4bz:2fBQGH6SfLPoAX+U4
TLSH
T1A9E45A053685CF61C01F15B2C8A3C6F4172BBE02ED4197DBB7C9BF1A39F22A96A51193
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