cosmu | 2026-09-24_82fa8d60ddeaa6cb37ad9c8aaf8faf3c_elex_rhadamanthys_smoke-loader

General

Target
2026-09-24_82fa8d60ddeaa6cb37ad9c8aaf8faf3c_elex_rhadamanthys_smoke-loader
Size 1.5MB
Sample260925-grrn8abb47
SHA256 076a16f4f897fc766f97fb3ce264a989d56cd18900082e17fa29a089b4617da6
MD5 82fa8d60ddeaa6cb37ad9c8aaf8faf3c
SHA1 d9fea8362c030971ebd2df181cf6565881487412
SHA512 03ae87a002e3691623f437344194238c0ad58edb5cd55d97a4c9f3d952fe6bf2edec61a932b575a9d78214a8fc84d54a69b3c5b303de7919ba025aad912d740d
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:efBQGH6SfKCBXoAX+U4
TLSH
T1FA65CFB27B92C66BD4E7C23DB4458557A7F29B024D13926397A0EF3DCA392814DDCC42
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
2026-09-24_82fa8d60ddeaa6cb37ad9c8aaf8faf3c_elex_rhadamanthys_smoke-loader

File Explorer

2026-09-24_82fa8d60ddeaa6cb37ad9c8aaf8faf3c_elex_rhadamanthys_smoke-loader

.exe 1.5MB

2026-09-24_82fa8d60ddeaa6cb37ad9c8aaf8faf3c_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 076a16f4f897fc766f97fb3ce264a989d56cd18900082e17fa29a089b4617da6
MD5 82fa8d60ddeaa6cb37ad9c8aaf8faf3c
SHA1 d9fea8362c030971ebd2df181cf6565881487412
SHA512 03ae87a002e3691623f437344194238c0ad58edb5cd55d97a4c9f3d952fe6bf2edec61a932b575a9d78214a8fc84d54a69b3c5b303de7919ba025aad912d740d
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:efBQGH6SfKCBXoAX+U4
TLSH
T1FA65CFB27B92C66BD4E7C23DB4458557A7F29B024D13926397A0EF3DCA392814DDCC42
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