cosmu | 2026-10-14_78116d1d3b2df88567145f8fa2af60f3_elex_rhadamanthys_smoke-loader

General

Target
2026-10-14_78116d1d3b2df88567145f8fa2af60f3_elex_rhadamanthys_smoke-loader
Size 288KB
Sample261014-xcskzagt2q
SHA256 08c8ec412d3ba8cd7cadecbc46ce9ceae0ae1b0f80e8296f571f69a06ec1891a
MD5 78116d1d3b2df88567145f8fa2af60f3
SHA1 99dd7d3ed791d6b7aa1acbfc4591a22c8cdab07e
SHA512 bfddaa902ff4c5474484f24807c0779b7587b0bfbf074e58f40785fa0a592759f2de67de81d978eab298e6cca98f3d3abaf9e449f41b280f6e2d60e5ed998b50
SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTmoAXjiU4bzV:WfBQGH6SfqoAX+U4l
TLSH
T1A55401917AA2D8B3C4429A3148A6CF6197377D139A65D203B7AD1F4B2F713D09B7B302
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
2026-10-14_78116d1d3b2df88567145f8fa2af60f3_elex_rhadamanthys_smoke-loader

File Explorer

2026-10-14_78116d1d3b2df88567145f8fa2af60f3_elex_rhadamanthys_smoke-loader

.exe 288KB

2026-10-14_78116d1d3b2df88567145f8fa2af60f3_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 08c8ec412d3ba8cd7cadecbc46ce9ceae0ae1b0f80e8296f571f69a06ec1891a
MD5 78116d1d3b2df88567145f8fa2af60f3
SHA1 99dd7d3ed791d6b7aa1acbfc4591a22c8cdab07e
SHA512 bfddaa902ff4c5474484f24807c0779b7587b0bfbf074e58f40785fa0a592759f2de67de81d978eab298e6cca98f3d3abaf9e449f41b280f6e2d60e5ed998b50
SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTmoAXjiU4bzV:WfBQGH6SfqoAX+U4l
TLSH
T1A55401917AA2D8B3C4429A3148A6CF6197377D139A65D203B7AD1F4B2F713D09B7B302
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