cosmu | 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader

General

Target
2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260701-epynmsfz5v
SHA256 e367ed76b39f30937a47613115962e6c6a8e80b373c0a1c886b0a8c6a6e68cb7
MD5 80d4cd3eca125c027def9e8cad48191a
SHA1 99937496da9af09054e1c07fc1255195d041a33f
SHA512 442bfe8db504b43fca3458d8904ee064de04cfa9370651039c4ffebe9bb3cf9fda506ba1963e551effb4762b9ed5f75eb80fa8410f0c265e56449c8e0b87a181
SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bzN:sfBQGH6SfNoAX+U49
TLSH
T1EC5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
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
2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader

File Explorer

2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 e367ed76b39f30937a47613115962e6c6a8e80b373c0a1c886b0a8c6a6e68cb7
MD5 80d4cd3eca125c027def9e8cad48191a
SHA1 99937496da9af09054e1c07fc1255195d041a33f
SHA512 442bfe8db504b43fca3458d8904ee064de04cfa9370651039c4ffebe9bb3cf9fda506ba1963e551effb4762b9ed5f75eb80fa8410f0c265e56449c8e0b87a181
SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bzN:sfBQGH6SfNoAX+U49
TLSH
T1EC5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
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