cosmu | 2026-10-29_3a98ea60f4d815a713e4a85cc5d6e411_elex_rhadamanthys_smoke-loader

General

Target
2026-10-29_3a98ea60f4d815a713e4a85cc5d6e411_elex_rhadamanthys_smoke-loader
Size 1.4MB
Sample261029-sdapbscw9w
SHA256 7cc8940668c4fd8a83857d1c1a836208502161bf20a7e3bc0ecd8a70e5763854
MD5 3a98ea60f4d815a713e4a85cc5d6e411
SHA1 51fa4463cf6fccdac20295dfb2259bf273da0417
SHA512 aaaac3d0484ec524a4495fb18794b064bec6d2f3eb75de91641ddcaef6bbf31f1900ce03e175408a14d4c0d41ab2a47dedd950d373516d50789b179b6fb57bb5
SSDEEP 24576:Ofa86SfLkQ5W9GIpThCTZ0og6f5MLb+VONw/haSqnFGUMhglHZaawTXax:OfaygL9fpTgTZ0og6fWLb+VOa/hunKh8
TLSH
T10765CFC2F202D0A5DC1645308C27DFF81B16BE62AD1116177BD8BF5FAEB3382592259B
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
2026-10-29_3a98ea60f4d815a713e4a85cc5d6e411_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-29_3a98ea60f4d815a713e4a85cc5d6e411_elex_rhadamanthys_smoke-loader

.exe 1.4MB

2026-10-29_3a98ea60f4d815a713e4a85cc5d6e411_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 7cc8940668c4fd8a83857d1c1a836208502161bf20a7e3bc0ecd8a70e5763854
MD5 3a98ea60f4d815a713e4a85cc5d6e411
SHA1 51fa4463cf6fccdac20295dfb2259bf273da0417
SHA512 aaaac3d0484ec524a4495fb18794b064bec6d2f3eb75de91641ddcaef6bbf31f1900ce03e175408a14d4c0d41ab2a47dedd950d373516d50789b179b6fb57bb5
SSDEEP 24576:Ofa86SfLkQ5W9GIpThCTZ0og6f5MLb+VONw/haSqnFGUMhglHZaawTXax:OfaygL9fpTgTZ0og6fWLb+VOa/hunKh8
TLSH
T10765CFC2F202D0A5DC1645308C27DFF81B16BE62AD1116177BD8BF5FAEB3382592259B
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

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