cosmu | 2026-09-22_17c4f5e61780a7fd1a0a94448fe900bd_elex_rhadamanthys_smoke-loader

General

Target
2026-09-22_17c4f5e61780a7fd1a0a94448fe900bd_elex_rhadamanthys_smoke-loader
Size 2.1MB
Sample260922-18btwage92
SHA256 d2b2d49e557f779670fe30ad1653f680ae3763652fd25afa2a2c319708f72d49
MD5 17c4f5e61780a7fd1a0a94448fe900bd
SHA1 6d41160b0cc4de2eef1a91852a7170ca7336ff99
SHA512 fdbd4babe7f30d68ab1a124851c9bf29dbcfb3842e1a7841093e09701018fe82fec372045a743b4d2025b498db941d76ba6b6c3b7a6187101081d997577d760b
SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTLHHHHHHHuoAXjiU4bz:qfBQGH6Sf3HHHHHHHuoAX+U4
TLSH
T173A5A5E42740A76DE5F30A3A0655857423F73E8B7C9E72B26D55370BAA30960B7CB20D
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
2026-09-22_17c4f5e61780a7fd1a0a94448fe900bd_elex_rhadamanthys_smoke-loader

File Explorer

2026-09-22_17c4f5e61780a7fd1a0a94448fe900bd_elex_rhadamanthys_smoke-loader

.exe 2.1MB

2026-09-22_17c4f5e61780a7fd1a0a94448fe900bd_elex_rhadamanthys_smoke-loader

IMPHASH 5aa33c577ffd8431ff254de85dee5e7b
SHA256 d2b2d49e557f779670fe30ad1653f680ae3763652fd25afa2a2c319708f72d49
MD5 17c4f5e61780a7fd1a0a94448fe900bd
SHA1 6d41160b0cc4de2eef1a91852a7170ca7336ff99
SHA512 fdbd4babe7f30d68ab1a124851c9bf29dbcfb3842e1a7841093e09701018fe82fec372045a743b4d2025b498db941d76ba6b6c3b7a6187101081d997577d760b
SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTLHHHHHHHuoAXjiU4bz:qfBQGH6Sf3HHHHHHHuoAX+U4
TLSH
T173A5A5E42740A76DE5F30A3A0655857423F73E8B7C9E72B26D55370BAA30960B7CB20D
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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