cosmu | 2026-11-10_def85e06e4947eb3d8b9c900c0fe0f33_elex_rhadamanthys_smoke-loader

General

Target
2026-11-10_def85e06e4947eb3d8b9c900c0fe0f33_elex_rhadamanthys_smoke-loader
Size 284KB
Sample261111-wbcmpazwgs
SHA256 fc1b60bd66a2f99e57d92a996dbf50f0f3ed3c37a33782b921e8147ec7dc4618
MD5 def85e06e4947eb3d8b9c900c0fe0f33
SHA1 97a174252797e2a8448d0565197e801b40d63c63
SHA512 4c742c3762742458ead7b473766ef885e2188c6be2996d21873f6ac580d575e9ed9952e484d265ffa55c5a06b4b3598f36a84e35c180bea8d16e1659c5163aba
SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz1:8fBQGH6SfUoAX+U4F
TLSH
T1335402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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
2026-11-10_def85e06e4947eb3d8b9c900c0fe0f33_elex_rhadamanthys_smoke-loader

File Explorer

2026-11-10_def85e06e4947eb3d8b9c900c0fe0f33_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-11-10_def85e06e4947eb3d8b9c900c0fe0f33_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 fc1b60bd66a2f99e57d92a996dbf50f0f3ed3c37a33782b921e8147ec7dc4618
MD5 def85e06e4947eb3d8b9c900c0fe0f33
SHA1 97a174252797e2a8448d0565197e801b40d63c63
SHA512 4c742c3762742458ead7b473766ef885e2188c6be2996d21873f6ac580d575e9ed9952e484d265ffa55c5a06b4b3598f36a84e35c180bea8d16e1659c5163aba
SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz1:8fBQGH6SfUoAX+U4F
TLSH
T1335402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E117FB9D0B4B1EB13844BAA361
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