cosmu | 2026-08-07_86bdc6e1b79dee6035bd18bcfe1fa56d_elex_rhadamanthys_smoke-loader

General

Target
2026-08-07_86bdc6e1b79dee6035bd18bcfe1fa56d_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260808-bde6dawhra
SHA256 7e79a8b77566569b213de40128bf2e8eba72bdb554543bfb0ca911f97654c988
MD5 86bdc6e1b79dee6035bd18bcfe1fa56d
SHA1 92613c82730e69d9cd9680a11b8b3366d1c242b8
SHA512 3a1945af559c1fefa7d00e788312206d64ddf83f7bfc7bd69883830d5a8b5349080e1db52db0e98af4be32bba6f50fec8a4af46334b5048ce0195d779886649a
SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqT6oAXjiU4bzF:XfBQGH6SfOoAX+U41
TLSH
T1D95402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
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
2026-08-07_86bdc6e1b79dee6035bd18bcfe1fa56d_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-07_86bdc6e1b79dee6035bd18bcfe1fa56d_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-08-07_86bdc6e1b79dee6035bd18bcfe1fa56d_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 7e79a8b77566569b213de40128bf2e8eba72bdb554543bfb0ca911f97654c988
MD5 86bdc6e1b79dee6035bd18bcfe1fa56d
SHA1 92613c82730e69d9cd9680a11b8b3366d1c242b8
SHA512 3a1945af559c1fefa7d00e788312206d64ddf83f7bfc7bd69883830d5a8b5349080e1db52db0e98af4be32bba6f50fec8a4af46334b5048ce0195d779886649a
SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqT6oAXjiU4bzF:XfBQGH6SfOoAX+U41
TLSH
T1D95402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
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