cosmu | 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader

General

Target
2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader
Size 284KB
Sample260820-1c3bysyye1
SHA256 f7777a7fa9658b1b1ba2c08a96421a760b1c2d098ec7a558f2d4a07e03157b8f
MD5 a1151df8ba27377d5e1336d44bf25a81
SHA1 16c1e89024b367872a9b33e1635624ca26d9c2f3
SHA512 fc19a47a0fe6cc1657b823f5992ee31973eff6014458aa65119be73bcda040a868e78b23e7ca6b87e44a2598445fdcd85b105fbc29e7740be651ca8f1970df6f
SSDEEP 6144:IFlKgzelZNQSBQGH/CSpWqTaoAXjiU4bzF:/fBQGH6SfuoAX+U41
TLSH
T1705402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
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
2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader

.exe 284KB

2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 f7777a7fa9658b1b1ba2c08a96421a760b1c2d098ec7a558f2d4a07e03157b8f
MD5 a1151df8ba27377d5e1336d44bf25a81
SHA1 16c1e89024b367872a9b33e1635624ca26d9c2f3
SHA512 fc19a47a0fe6cc1657b823f5992ee31973eff6014458aa65119be73bcda040a868e78b23e7ca6b87e44a2598445fdcd85b105fbc29e7740be651ca8f1970df6f
SSDEEP 6144:IFlKgzelZNQSBQGH/CSpWqTaoAXjiU4bzF:/fBQGH6SfuoAX+U41
TLSH
T1705402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
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