cosmu | 2026-10-22_5e7e4e8b39737b0672515267ef010577_elex_rhadamanthys_smoke-loader

General

Target
2026-10-22_5e7e4e8b39737b0672515267ef010577_elex_rhadamanthys_smoke-loader
Size 1.5MB
Sample261024-ntlpbabv6l
SHA256 2b8d0c77e4d31f572f1f5538942ff5495b662449201e473bbac08772ae9dad8a
MD5 5e7e4e8b39737b0672515267ef010577
SHA1 4cfc195fa50d81e375b997fded08b8a91bd06752
SHA512 932def4442219d801c4bd02425fce289448d3fea17f11c223d133bbc2d7af4f85dd473c6f7718b0b3067760ce83ea535d17d30210dc1f2fafabb9ccb1e30e2c5
SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:AfBQGH6SfJoAX+U4
TLSH
T1686501817AA2D8B3D4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
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
2026-10-22_5e7e4e8b39737b0672515267ef010577_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-22_5e7e4e8b39737b0672515267ef010577_elex_rhadamanthys_smoke-loader

.exe 1.5MB

2026-10-22_5e7e4e8b39737b0672515267ef010577_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 2b8d0c77e4d31f572f1f5538942ff5495b662449201e473bbac08772ae9dad8a
MD5 5e7e4e8b39737b0672515267ef010577
SHA1 4cfc195fa50d81e375b997fded08b8a91bd06752
SHA512 932def4442219d801c4bd02425fce289448d3fea17f11c223d133bbc2d7af4f85dd473c6f7718b0b3067760ce83ea535d17d30210dc1f2fafabb9ccb1e30e2c5
SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:AfBQGH6SfJoAX+U4
TLSH
T1686501817AA2D8B3D4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
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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