cosmu | 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader

General

Target
2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260815-vyevwsem2z
SHA256 41026f2eaf112fe47a6c7da855716b90d6dea106a3b5740ee027c083cc1b40a3
MD5 f4fe10a0ef5a7b0cfe884b3282076491
SHA1 a6f08f9ce365bcc32dc8e6ef6e007e9a13078fa7
SHA512 fa435885b25a4b33999b1c77c1ca38a6f2eef8ec204093c0c08ad49e3cf447a795422da21b8a42048d1131633989f7b28ac17e5e52274e0dd7561fca34396280
SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTwoAXjiU4bzF:ZfBQGH6Sf0oAX+U41
TLSH
T12E5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
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
2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 41026f2eaf112fe47a6c7da855716b90d6dea106a3b5740ee027c083cc1b40a3
MD5 f4fe10a0ef5a7b0cfe884b3282076491
SHA1 a6f08f9ce365bcc32dc8e6ef6e007e9a13078fa7
SHA512 fa435885b25a4b33999b1c77c1ca38a6f2eef8ec204093c0c08ad49e3cf447a795422da21b8a42048d1131633989f7b28ac17e5e52274e0dd7561fca34396280
SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTwoAXjiU4bzF:ZfBQGH6Sf0oAX+U41
TLSH
T12E5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
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