cosmu | 2026-07-23_8d02ab8799488a6a382e3c3a7a180198_elex_rhadamanthys_smoke-loader

General

Target
2026-07-23_8d02ab8799488a6a382e3c3a7a180198_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260723-hmepjashpf
SHA256 6d01a3ecd29100e4ec14797a7e5e86231712dd82bb5d3126b1b8f913a9c7f1a4
MD5 8d02ab8799488a6a382e3c3a7a180198
SHA1 c3002a3c161a113f77b1e3a23612606a389467dd
SHA512 8e0a7fb2353f04d37d271b8ab4f2eef088b5f30ef420c62703541cbfbd15cf9d585d4d44d50a7d194f996b5deb8022c48de942bed69095a1f094e1abc39d9a82
SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bzN:9fBQGH6SfQoAX+U49
TLSH
T11A5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA761
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
2026-07-23_8d02ab8799488a6a382e3c3a7a180198_elex_rhadamanthys_smoke-loader

File Explorer

2026-07-23_8d02ab8799488a6a382e3c3a7a180198_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-07-23_8d02ab8799488a6a382e3c3a7a180198_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 6d01a3ecd29100e4ec14797a7e5e86231712dd82bb5d3126b1b8f913a9c7f1a4
MD5 8d02ab8799488a6a382e3c3a7a180198
SHA1 c3002a3c161a113f77b1e3a23612606a389467dd
SHA512 8e0a7fb2353f04d37d271b8ab4f2eef088b5f30ef420c62703541cbfbd15cf9d585d4d44d50a7d194f996b5deb8022c48de942bed69095a1f094e1abc39d9a82
SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bzN:9fBQGH6SfQoAX+U49
TLSH
T11A5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA761
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