cosmu | 2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader

General

Target
2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader
Size 342KB
Sample260707-cxffxsds2q
SHA256 ebab089fba2a775aff4bf6e9ff6a86a03de10b4a241469362044d2068034e354
MD5 8a923964bee87b8ef90521c8f721ee50
SHA1 458254e2e8151a32ec7fd01b9bbfb89a11dc8ce9
SHA512 a55a175d38811ca85d6bda894031ee3396d8f9865bcb5794307b408b5efe1a3a4f600981ad4ba8a088f71d568dcc041ec9666c80f1277adf4f209d1d31f0cfbb
SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:VfBQGH6Sf27oAX+U4
TLSH
T1D274E0503A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
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
2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader

File Explorer

2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader

.exe 342KB

2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 ebab089fba2a775aff4bf6e9ff6a86a03de10b4a241469362044d2068034e354
MD5 8a923964bee87b8ef90521c8f721ee50
SHA1 458254e2e8151a32ec7fd01b9bbfb89a11dc8ce9
SHA512 a55a175d38811ca85d6bda894031ee3396d8f9865bcb5794307b408b5efe1a3a4f600981ad4ba8a088f71d568dcc041ec9666c80f1277adf4f209d1d31f0cfbb
SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:VfBQGH6Sf27oAX+U4
TLSH
T1D274E0503A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
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