cosmu | 2026-08-26_ed71a963981303b64fd8fa872e1b7028_elex_rhadamanthys_smoke-loader

General

Target
2026-08-26_ed71a963981303b64fd8fa872e1b7028_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260827-ejba6azalc
SHA256 41fc8a8a7c8178891505cffa855cf23dc28381727b534b8a7b408c05ce4ab31b
MD5 ed71a963981303b64fd8fa872e1b7028
SHA1 9a2a0fd13837d3c4e2a2bd0df8fe241488d2a5bb
SHA512 2034e006ce1abe5fedba8d662f2d7dc2fa75d44727d9bfdebc7f5c9d7dcb3f2058023743ba3d5de53f13d0c7d6d6c011335e19f86fb06e53a0d85fd81f307b5e
SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzV:zfBQGH6SfRoAX+U4l
TLSH
T1CD5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
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
2026-08-26_ed71a963981303b64fd8fa872e1b7028_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-26_ed71a963981303b64fd8fa872e1b7028_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-08-26_ed71a963981303b64fd8fa872e1b7028_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 41fc8a8a7c8178891505cffa855cf23dc28381727b534b8a7b408c05ce4ab31b
MD5 ed71a963981303b64fd8fa872e1b7028
SHA1 9a2a0fd13837d3c4e2a2bd0df8fe241488d2a5bb
SHA512 2034e006ce1abe5fedba8d662f2d7dc2fa75d44727d9bfdebc7f5c9d7dcb3f2058023743ba3d5de53f13d0c7d6d6c011335e19f86fb06e53a0d85fd81f307b5e
SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzV:zfBQGH6SfRoAX+U4l
TLSH
T1CD5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
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

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