cosmu | 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader

General

Target
2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader
Size 333KB
Sample260721-sdvdqsycrd
SHA256 9f65088bae74c04f023a0fd064e27b75c94e774f5151996cd016ca7fb174617a
MD5 90c88d78df1447cc5541ca9d47313c97
SHA1 70898d4d46e70e6912bfad042a3e7bacf2784097
SHA512 2a86884960e30f0a4ed23b5dd87b8fa36bd05c55e5220b83e5ad29d8d6d37cfa23c9ccff15d1a804990c50a26e51e69cf86e49c20e33fe8ff9329c2478561938
SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:1fBQGH6Sf27oAX+U4
TLSH
T15A74E0403A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
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
2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader

File Explorer

2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader

.exe 333KB

2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 9f65088bae74c04f023a0fd064e27b75c94e774f5151996cd016ca7fb174617a
MD5 90c88d78df1447cc5541ca9d47313c97
SHA1 70898d4d46e70e6912bfad042a3e7bacf2784097
SHA512 2a86884960e30f0a4ed23b5dd87b8fa36bd05c55e5220b83e5ad29d8d6d37cfa23c9ccff15d1a804990c50a26e51e69cf86e49c20e33fe8ff9329c2478561938
SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:1fBQGH6Sf27oAX+U4
TLSH
T15A74E0403A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
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