cosmu | 2026-06-04_93d77a33b2b2094d93dd5113f45807a3_elex_rhadamanthys_smoke-loader

General

Target
2026-06-04_93d77a33b2b2094d93dd5113f45807a3_elex_rhadamanthys_smoke-loader
Size 335KB
Sample260604-e27r3saz6n
SHA256 0c42dc8d037c46539b35515820f233465e3f8e39563b24bf6c2926450cddd213
MD5 93d77a33b2b2094d93dd5113f45807a3
SHA1 e79b82b77d59bac30e46806453eb45d9477e6660
SHA512 f1ca251a89a47063a1c4c6c196a1187d9dd090ca424c3b3ac4b0d1d91bf05c896ad832c5fe0dc044e22cc285427a3649d654185942f5c23d50dd4735f1928721
SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:WfBQGH6Sf27oAX+U4
TLSH
T10474E0403A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
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_93d77a33b2b2094d93dd5113f45807a3_elex_rhadamanthys_smoke-loader

File Explorer

2026-06-04_93d77a33b2b2094d93dd5113f45807a3_elex_rhadamanthys_smoke-loader

.exe 335KB

2026-06-04_93d77a33b2b2094d93dd5113f45807a3_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 0c42dc8d037c46539b35515820f233465e3f8e39563b24bf6c2926450cddd213
MD5 93d77a33b2b2094d93dd5113f45807a3
SHA1 e79b82b77d59bac30e46806453eb45d9477e6660
SHA512 f1ca251a89a47063a1c4c6c196a1187d9dd090ca424c3b3ac4b0d1d91bf05c896ad832c5fe0dc044e22cc285427a3649d654185942f5c23d50dd4735f1928721
SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:WfBQGH6Sf27oAX+U4
TLSH
T10474E0403A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
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