cosmu | 2026-08-28_132ac8e3221f39161a9ec6c5b181ff6c_elex_rhadamanthys_smoke-loader

General

Target
2026-08-28_132ac8e3221f39161a9ec6c5b181ff6c_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260828-1jlb1stdra
SHA256 da0593cc1428d8dfbd1aec8043fa3f1d0c2d7ab3bea3344465d78b08ae18593a
MD5 132ac8e3221f39161a9ec6c5b181ff6c
SHA1 c108df0bfbd2587c16908f1808e98244dc79f2ca
SHA512 66afc200a79d8ca1ca8ccd0a5722905e64dff43044e43963d7a561841a7a990cc3b37478cace4e46f4a2731ba06c967208b2cb77c77fa55ed59a30d217bfdd40
SSDEEP 6144:dFlKgzelZNQSBQGH/CSpWqTLoAXjiU4bz1:6fBQGH6SfvoAX+U4F
TLSH
T19D5402457D93C4B3D0414D3188E68BE14B7F6C137AA6E11BFB9D0B4B1EB13884BAA761
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
2026-08-28_132ac8e3221f39161a9ec6c5b181ff6c_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-28_132ac8e3221f39161a9ec6c5b181ff6c_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-08-28_132ac8e3221f39161a9ec6c5b181ff6c_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 da0593cc1428d8dfbd1aec8043fa3f1d0c2d7ab3bea3344465d78b08ae18593a
MD5 132ac8e3221f39161a9ec6c5b181ff6c
SHA1 c108df0bfbd2587c16908f1808e98244dc79f2ca
SHA512 66afc200a79d8ca1ca8ccd0a5722905e64dff43044e43963d7a561841a7a990cc3b37478cace4e46f4a2731ba06c967208b2cb77c77fa55ed59a30d217bfdd40
SSDEEP 6144:dFlKgzelZNQSBQGH/CSpWqTLoAXjiU4bz1:6fBQGH6SfvoAX+U4F
TLSH
T19D5402457D93C4B3D0414D3188E68BE14B7F6C137AA6E11BFB9D0B4B1EB13884BAA761
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