Analysis
- max time kernel
150s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 13:25
Behavioral task
behavioral1
Sample
2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260823-qn1bmaxbrd
- SHA256 fa4f379cf05181313bbf62c2c0936ec12f47c3a4b12617e8dca956c609ac4ffb
- MD5 03e565635993f164cf3da25627c757af
- SHA1 9f1c19cf635ebf900e0ea2a82245d6369c7311dd
- SHA512 13ad0ce66f98d2494b29848ab7289b83f34caf13c5e709d118920c62718f9309bc957ccdd6c5469041d54fab178022bff9e83fdbc6e88bb51046546060e14394
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqT3oAXjiU4bzF:9fBQGH6SfzoAX+U41
- TLSH T1395402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 3 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000f00000001c56b-6.dat family_cosmu behavioral2/files/0x000400000001bb65-81.dat family_cosmu behavioral2/files/0x0006000000018966-192.dat family_cosmu - Enumerates connected drives 3 TTPs 10 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD249.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXD4AE.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXD59A.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXD5AD.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXD5BD.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD4F4.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD4CF.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXD534.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD2D5.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXD2E6.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXD589.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD24A.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXD545.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXD556.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXD156.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD28E.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXD5CF.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXD122.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD25C.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXD2E7.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXD123.tmp 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_03e565635993f164cf3da25627c757af_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2944
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 321KB
- SHA256 6c62fa12f579dcbea107746270ed37ef1575610fbd9719f18ad27c8adcfe0d09
- MD5 34d3ea7b9da230f973c1e8907ed3caeb
- SHA1 e67c0efba6b7b35849eca0f8814fe8f7ad39de3e
- SHA512 2b38a00864f0173d954b8cf5cb4a04df3c9d4f67908b73bc90b0ade010e581475ce7c0af5fcd54ef48e8fef187f3db5d4df70229474a891ce4fbc9f72a43d05a
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:+fBQGH6SfeoAX+U4
- TLSH T18364F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXD27C.tmp
- Size 284KB
- SHA256 6b0b479ebd3b75a7fa42dcc1ccec189285f9eb9eb6c12c0ab24ffec83c411932
- MD5 1f8b065a03f31ccf35ff2fa631241e41
- SHA1 47cf3e9dfaf2ed127d4492516c837e68670367b0
- SHA512 aa9ff89f0c082da5deccb803168d92924faf6d5a9e99a54b4ef355420ff97fbe92e47cc4e101e076a6e692a9b47763abd0128b3b0513e262d36f087333d24003
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:SfBQGH6SfdoAX+U4
- TLSH T1D354F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXD546.tmp
- Size 284KB
- SHA256 43141d1af8a7ae7037db35c08154d23127f7894e9725072ef022327e0b81e42a
- MD5 424b8fb88f05ec63db2694e96e48faca
- SHA1 aa982f0e8564a1f563b2441e8a6c5c9fcc066168
- SHA512 5bbde9a194618257695f2273c69259be0b73b7f00a119748f89c300f0d27c823b1b74ec942dbce1aa47cacfbdd497221346296040ffdc23a61046319fe4c7ea1
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:WfBQGH6SfwoAX+U4
- TLSH T1DB5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13884BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH