cosmu | 2026-08-04_6bc50eb98b2a8d968a294f86fc2a1e37_elex_rhadamanthys_smoke-loader

General

Target
2026-08-04_6bc50eb98b2a8d968a294f86fc2a1e37_elex_rhadamanthys_smoke-loader
Size 948KB
Sample260804-hp28lstcrc
SHA256 4a8b6f3073c365361595ba22bc6a9aa6366e6f51c42a038255831d40194e6c45
MD5 6bc50eb98b2a8d968a294f86fc2a1e37
SHA1 66ae7d9a1c3b1b87263c6465f3b74402c76c4179
SHA512 cc4a3721ab1c593cbb17c313abb8dd66cb1a8b07807f895d04b3ecd3d45d05b11b4b292615ea9ea979d0f7d705aa23e4604298f9e8ee2c1b9c4fdd60fa472af7
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTEFPPoAXjiU4bz:efBQGH6SfiPoAX+U4
TLSH
T19225C02162E9CFE1C09F2475DC96B1F40627EE11DD109FDB7E88BE0A39B12A5A93114F
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
2026-08-04_6bc50eb98b2a8d968a294f86fc2a1e37_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-04_6bc50eb98b2a8d968a294f86fc2a1e37_elex_rhadamanthys_smoke-loader

.exe 948KB

2026-08-04_6bc50eb98b2a8d968a294f86fc2a1e37_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 4a8b6f3073c365361595ba22bc6a9aa6366e6f51c42a038255831d40194e6c45
MD5 6bc50eb98b2a8d968a294f86fc2a1e37
SHA1 66ae7d9a1c3b1b87263c6465f3b74402c76c4179
SHA512 cc4a3721ab1c593cbb17c313abb8dd66cb1a8b07807f895d04b3ecd3d45d05b11b4b292615ea9ea979d0f7d705aa23e4604298f9e8ee2c1b9c4fdd60fa472af7
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTEFPPoAXjiU4bz:efBQGH6SfiPoAX+U4
TLSH
T19225C02162E9CFE1C09F2475DC96B1F40627EE11DD109FDB7E88BE0A39B12A5A93114F
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