cosmu | 2026-07-23_9c8da2b7bbbf0bdc028ad9f5806add0b_elex_rhadamanthys_smoke-loader

General

Target
2026-07-23_9c8da2b7bbbf0bdc028ad9f5806add0b_elex_rhadamanthys_smoke-loader
Size 940KB
Sample260723-hjsf8ashjd
SHA256 01ebd8169013b510ed9ea7b1a7bedfc2984460705a50a799decd024e632ab454
MD5 9c8da2b7bbbf0bdc028ad9f5806add0b
SHA1 999d4a351f4836ecc99c7964cf5421c620b7ba8e
SHA512 7d99b54e6e307e8876a534b3136dd20995e414f5230d7f6d684f86f33f63ceafb55ac3f880fefa8438f9d14a5e46aa090ca00da335c7e5f073e390c1a59de774
SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqT0FPAoAXjiU4bz:JfBQGH6SfSAoAX+U4
TLSH
T1F825C02162E9CFE1C09F2475DC96B1F45217EE10CD209FDB7E88BE1A39B12A5A93114F
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_9c8da2b7bbbf0bdc028ad9f5806add0b_elex_rhadamanthys_smoke-loader

File Explorer

2026-07-23_9c8da2b7bbbf0bdc028ad9f5806add0b_elex_rhadamanthys_smoke-loader

.exe 940KB

2026-07-23_9c8da2b7bbbf0bdc028ad9f5806add0b_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 01ebd8169013b510ed9ea7b1a7bedfc2984460705a50a799decd024e632ab454
MD5 9c8da2b7bbbf0bdc028ad9f5806add0b
SHA1 999d4a351f4836ecc99c7964cf5421c620b7ba8e
SHA512 7d99b54e6e307e8876a534b3136dd20995e414f5230d7f6d684f86f33f63ceafb55ac3f880fefa8438f9d14a5e46aa090ca00da335c7e5f073e390c1a59de774
SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqT0FPAoAXjiU4bz:JfBQGH6SfSAoAX+U4
TLSH
T1F825C02162E9CFE1C09F2475DC96B1F45217EE10CD209FDB7E88BE1A39B12A5A93114F
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