cosmu | 2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader

General

Target
2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader
Size 312KB
Sample260824-ejptjsxzfx
SHA256 60d7bca6203f86cf3637e81e8a41827f9227dae1c6e31ddd959c0b68f65dd354
MD5 9c7808cd2d0f38cbdcb0bd655bcfac2a
SHA1 34cd7047056b85080f110ed20b0e8bb822d7bdf6
SHA512 bb36962850c48349f741300a01eb98913b2958a49fa1ae0dd0db4047d03c0f1285cb383ded72bdc0c6abd9b35ccfb99e3d8902c1ac7d600047a968e6c148caa2
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTnUjD5yoAXjiU4bz:efBQGH6SfzUjD5yoAX+U4
TLSH
T1C564F1427EA2D8F2D44146315C67CF719737BC279AA4D203B7A93B4BAE713909B3B205
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
2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader

File Explorer

2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader

.exe 312KB

2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 60d7bca6203f86cf3637e81e8a41827f9227dae1c6e31ddd959c0b68f65dd354
MD5 9c7808cd2d0f38cbdcb0bd655bcfac2a
SHA1 34cd7047056b85080f110ed20b0e8bb822d7bdf6
SHA512 bb36962850c48349f741300a01eb98913b2958a49fa1ae0dd0db4047d03c0f1285cb383ded72bdc0c6abd9b35ccfb99e3d8902c1ac7d600047a968e6c148caa2
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTnUjD5yoAXjiU4bz:efBQGH6SfzUjD5yoAX+U4
TLSH
T1C564F1427EA2D8F2D44146315C67CF719737BC279AA4D203B7A93B4BAE713909B3B205
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