cosmu | 2026-10-22_7fbf2514e2e310de5406651ceedf3108_elex_rhadamanthys_smoke-loader

General

Target
2026-10-22_7fbf2514e2e310de5406651ceedf3108_elex_rhadamanthys_smoke-loader
Size 288KB
Sample261024-hz529aee29
SHA256 9bcd4c6a022eb20dba1852c1596e907ea4b02d429b5e61a0893926ac3137848a
MD5 7fbf2514e2e310de5406651ceedf3108
SHA1 745f186f7379808dfcd321df6469b50c3c97f475
SHA512 509791a1b29993ec7f5e784f8fd93b1acdc5f8f005662bb5f19ca55fa9cc51e27ca3dc1cf1c8f288f647e768c702a7b7c94c2f5b7769d204028236399be299b4
SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTgoAXjiU4bzF:afBQGH6Sf0oAX+U41
TLSH
T17054F1457DA3C8B3D04149318CA6CBE1577A7C13AE65E207FB993F4F2EB13848B6A251
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_7fbf2514e2e310de5406651ceedf3108_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-22_7fbf2514e2e310de5406651ceedf3108_elex_rhadamanthys_smoke-loader

.exe 288KB

2026-10-22_7fbf2514e2e310de5406651ceedf3108_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 9bcd4c6a022eb20dba1852c1596e907ea4b02d429b5e61a0893926ac3137848a
MD5 7fbf2514e2e310de5406651ceedf3108
SHA1 745f186f7379808dfcd321df6469b50c3c97f475
SHA512 509791a1b29993ec7f5e784f8fd93b1acdc5f8f005662bb5f19ca55fa9cc51e27ca3dc1cf1c8f288f647e768c702a7b7c94c2f5b7769d204028236399be299b4
SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTgoAXjiU4bzF:afBQGH6Sf0oAX+U41
TLSH
T17054F1457DA3C8B3D04149318CA6CBE1577A7C13AE65E207FB993F4F2EB13848B6A251
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