cosmu | 2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader

General

Target
2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader
Size 337KB
Sample260814-lsbfvazhnd
SHA256 f207ee053631edcaabc1913e591870dcc109a4d88f5c7d25d37f6d841cd50445
MD5 b0dd44498ed39795910d40c92c9e6942
SHA1 576a04e2f470b038b73a1fe2f786986261eb4634
SHA512 df6362fa899360a51267c9f390d559ef1bfa8a9c8244eb023ed67bd59176d4a2a62d5b0a62a40f76f9ae5adc3c352b48f0f4a7db9926d7b219187318261267ee
SSDEEP 3072:yCOPi3tG24aqTBrgmQ+Pkvb0AXj5iNyPpT4DG2k:AFEqTKmQhoAXjiU4Dz
TLSH
T1B274D04279B1D4B3D0510671886B8B61B7377C12AA69C603BB9D1F8F2FB17909B3634E
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
2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader

.exe 337KB

2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 f207ee053631edcaabc1913e591870dcc109a4d88f5c7d25d37f6d841cd50445
MD5 b0dd44498ed39795910d40c92c9e6942
SHA1 576a04e2f470b038b73a1fe2f786986261eb4634
SHA512 df6362fa899360a51267c9f390d559ef1bfa8a9c8244eb023ed67bd59176d4a2a62d5b0a62a40f76f9ae5adc3c352b48f0f4a7db9926d7b219187318261267ee
SSDEEP 3072:yCOPi3tG24aqTBrgmQ+Pkvb0AXj5iNyPpT4DG2k:AFEqTKmQhoAXjiU4Dz
TLSH
T1B274D04279B1D4B3D0510671886B8B61B7377C12AA69C603BB9D1F8F2FB17909B3634E
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