cosmu | 2026-09-10_f5cd160d918d954b22c8f9356b0ec91c_elex_rhadamanthys_smoke-loader

General

Target
2026-09-10_f5cd160d918d954b22c8f9356b0ec91c_elex_rhadamanthys_smoke-loader
Size 288KB
Sample260910-3z92esfb37
SHA256 45b08a3272c0f7e25e7fd5bcde2536885b6c70750f58f8be48f1f65698005354
MD5 f5cd160d918d954b22c8f9356b0ec91c
SHA1 8a8f70115c3c8b36e84901625f36a9840033fc30
SHA512 40d98d157d4bcf9087584ebbaa3a31919f601a75e198f8057d28552a7f496f4bc1ef8165607744bc6c61579afeb3edc280090e3a8983fe563668835d8d0146fc
SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bzF:TfBQGH6SfRoAX+U41
TLSH
T16D5401917DA2D8B3C0419A3148A6CBA197376D139A65D203FBAD1F4B2F713D49B7B302
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
2026-09-10_f5cd160d918d954b22c8f9356b0ec91c_elex_rhadamanthys_smoke-loader

File Explorer

2026-09-10_f5cd160d918d954b22c8f9356b0ec91c_elex_rhadamanthys_smoke-loader

.exe 288KB

2026-09-10_f5cd160d918d954b22c8f9356b0ec91c_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 45b08a3272c0f7e25e7fd5bcde2536885b6c70750f58f8be48f1f65698005354
MD5 f5cd160d918d954b22c8f9356b0ec91c
SHA1 8a8f70115c3c8b36e84901625f36a9840033fc30
SHA512 40d98d157d4bcf9087584ebbaa3a31919f601a75e198f8057d28552a7f496f4bc1ef8165607744bc6c61579afeb3edc280090e3a8983fe563668835d8d0146fc
SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bzF:TfBQGH6SfRoAX+U41
TLSH
T16D5401917DA2D8B3C0419A3148A6CBA197376D139A65D203FBAD1F4B2F713D49B7B302
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