cosmu | 2026-10-17_e8252a170a3cc97a8e1e4c187837e64a_elex_rhadamanthys_smoke-loader

General

Target
2026-10-17_e8252a170a3cc97a8e1e4c187837e64a_elex_rhadamanthys_smoke-loader
Size 333KB
Sample261018-c91bvsgw91
SHA256 c924ddb745fa0adb380a4b79139b367fc4247f1a6a64a6ef622f72c637a7c123
MD5 e8252a170a3cc97a8e1e4c187837e64a
SHA1 e00145f610d9273bf00e08f3eec3f3db5ddd715e
SHA512 7edd21e4ca9231302d546ddef8cf50a223196067cbc4f003a892bd77bb4ecdfbb119bc3b25ba666da33d5ee057eb25b91f48c1cf236c91501d0c52b57bf508c8
SSDEEP 6144:fFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:QfBQGH6SfboAX+U4
TLSH
T1517401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
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
2026-10-17_e8252a170a3cc97a8e1e4c187837e64a_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-17_e8252a170a3cc97a8e1e4c187837e64a_elex_rhadamanthys_smoke-loader

.exe 333KB

2026-10-17_e8252a170a3cc97a8e1e4c187837e64a_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 c924ddb745fa0adb380a4b79139b367fc4247f1a6a64a6ef622f72c637a7c123
MD5 e8252a170a3cc97a8e1e4c187837e64a
SHA1 e00145f610d9273bf00e08f3eec3f3db5ddd715e
SHA512 7edd21e4ca9231302d546ddef8cf50a223196067cbc4f003a892bd77bb4ecdfbb119bc3b25ba666da33d5ee057eb25b91f48c1cf236c91501d0c52b57bf508c8
SSDEEP 6144:fFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:QfBQGH6SfboAX+U4
TLSH
T1517401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
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