cosmu | 2026-06-04_9436c5ca0e6e3a01d1ea9a4109b0d8bb_elex_rhadamanthys_smoke-loader

General

Target
2026-06-04_9436c5ca0e6e3a01d1ea9a4109b0d8bb_elex_rhadamanthys_smoke-loader
Size 277KB
Sample260604-e3pb5ahz3v
SHA256 52417f4ae808c793de226d661495f8c282145a816a36c117080d8c633f04e942
MD5 9436c5ca0e6e3a01d1ea9a4109b0d8bb
SHA1 4b247a188212ec0f12c145935b59d95285dea062
SHA512 e10ebc479872075403961cbeb66b6759a998e79275fbf8c59db592c9802fba8c9ff36484f3c709c835d4cd2793b2bb4205feaa66ae5937c2b3529baa41229f27
SSDEEP 3072:xZUWlN3tGXRvjxCb5NgXDY7uSlkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTBgQ9:7FAlKgzelZNQSBQGH/CSpWqT
TLSH
T11254E1453C539873E0424931C9E9CAD18B7F6D1376E2E16FFFD80E4B1EB12885AA6271
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
2026-06-04_9436c5ca0e6e3a01d1ea9a4109b0d8bb_elex_rhadamanthys_smoke-loader

File Explorer

2026-06-04_9436c5ca0e6e3a01d1ea9a4109b0d8bb_elex_rhadamanthys_smoke-loader

.exe 277KB

2026-06-04_9436c5ca0e6e3a01d1ea9a4109b0d8bb_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 52417f4ae808c793de226d661495f8c282145a816a36c117080d8c633f04e942
MD5 9436c5ca0e6e3a01d1ea9a4109b0d8bb
SHA1 4b247a188212ec0f12c145935b59d95285dea062
SHA512 e10ebc479872075403961cbeb66b6759a998e79275fbf8c59db592c9802fba8c9ff36484f3c709c835d4cd2793b2bb4205feaa66ae5937c2b3529baa41229f27
SSDEEP 3072:xZUWlN3tGXRvjxCb5NgXDY7uSlkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTBgQ9:7FAlKgzelZNQSBQGH/CSpWqT
TLSH
T11254E1453C539873E0424931C9E9CAD18B7F6D1376E2E16FFFD80E4B1EB12885AA6271
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

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