cosmu | 2026-09-16_7d93103672f125f2c07e0d9836a4ccf8_elex_rhadamanthys_smoke-loader

General

Target
2026-09-16_7d93103672f125f2c07e0d9836a4ccf8_elex_rhadamanthys_smoke-loader
Size 1.5MB
Sample260916-ys3asafk5s
SHA256 6aabb252129bfa81f692fc2e37ddc5c9a09d58fb152640a666154b093e308248
MD5 7d93103672f125f2c07e0d9836a4ccf8
SHA1 34fe181f536bea6b47edfc2bec443ff426f29098
SHA512 5780022a9300a22c80b7018d47b396cb1f9cf6c16b81278f1117625b7320972f81e363a0568eeeab33997e5d18e7252278e5955318216cc4443857619493d8e5
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:efBQGH6SfJoAX+U4
TLSH
T1356501917AA2D8B3C4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
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
2026-09-16_7d93103672f125f2c07e0d9836a4ccf8_elex_rhadamanthys_smoke-loader

File Explorer

2026-09-16_7d93103672f125f2c07e0d9836a4ccf8_elex_rhadamanthys_smoke-loader

.exe 1.5MB

2026-09-16_7d93103672f125f2c07e0d9836a4ccf8_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 6aabb252129bfa81f692fc2e37ddc5c9a09d58fb152640a666154b093e308248
MD5 7d93103672f125f2c07e0d9836a4ccf8
SHA1 34fe181f536bea6b47edfc2bec443ff426f29098
SHA512 5780022a9300a22c80b7018d47b396cb1f9cf6c16b81278f1117625b7320972f81e363a0568eeeab33997e5d18e7252278e5955318216cc4443857619493d8e5
SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:efBQGH6SfJoAX+U4
TLSH
T1356501917AA2D8B3C4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
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