cosmu | 2026-10-22_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader

General

Target
2026-10-22_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader
Size 288KB
Sample261024-ejqqvawz6n
SHA256 578c66aa4e467a9e0560863ce32f4c4c68df511b843148e0094d1fc453dd0cda
MD5 968e2820218bae6b45a5a2ec0a6cfe49
SHA1 79f73f54eed36f7b42d133737dddd01df0218569
SHA512 c45551d9457692dd8d9f6c9a8164cac6b9d1b448c28a4984627e341e9002a38d372a84f85534a02e5fb068403a31bd38358f90bf91f14f175ec0ca88050529ab
SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTioAXjiU4bzF:gfBQGH6SfWoAX+U41
TLSH
T1095401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
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_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-22_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader

.exe 288KB

2026-10-22_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 578c66aa4e467a9e0560863ce32f4c4c68df511b843148e0094d1fc453dd0cda
MD5 968e2820218bae6b45a5a2ec0a6cfe49
SHA1 79f73f54eed36f7b42d133737dddd01df0218569
SHA512 c45551d9457692dd8d9f6c9a8164cac6b9d1b448c28a4984627e341e9002a38d372a84f85534a02e5fb068403a31bd38358f90bf91f14f175ec0ca88050529ab
SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTioAXjiU4bzF:gfBQGH6SfWoAX+U41
TLSH
T1095401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
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