Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 04:33
Behavioral task
behavioral1
Sample
2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260826-e6ks4sgm31
- SHA256 9754d76f2516c05d2c08543db1c48c0bd284408954ed87608ac040fd70cd4c23
- MD5 e7398f626c635a7623fed8cd4e8eaaaf
- SHA1 0da431a5a25526de5d5a8f5294490fefbfb0d38f
- SHA512 e55d3375e4d407ecb15ad55d8b0cfeedb0734c90f6c8f3855c6d73a2827639854dbbe7b17f3822e45608ce95b6f41fb5b11786ecba997f58dbec7a3cad5d3976
- SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTgoAXjiU4bzF:vfBQGH6Sf0oAX+U41
- TLSH T1FF54F1457DA3C8B3D04149318CA6CBE1577A7C13AE65E207FB993F4F2EB13848B6A251
- 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/0x000e00000001c529-6.dat family_cosmu behavioral2/files/0x000400000001bb33-81.dat family_cosmu behavioral2/files/0x000600000001898a-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) \??\G: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_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\RCX62E.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX724.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX895.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8A6.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX8DA.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX5A5.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX5D8.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8B8.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX62D.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX5EA.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX840.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX711.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8A5.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX77C.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6EE.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX712.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX746.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX747.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6EC.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX8D9.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX758.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX830.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX594.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX5D9.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8B7.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX60C.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7AE.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX5EB.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX759.tmp 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_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 2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-25_e7398f626c635a7623fed8cd4e8eaaaf_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1208
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 325KB
- SHA256 5b3831879155f016f93404e2afac963821d32df9b2ba6bad3d51dc05f2238dda
- MD5 f6a74f2c9a77231dd978bb8a50a27d4f
- SHA1 f5cce62edd16d2654abdc3227e131f918a1ecd18
- SHA512 c852927de4d44ec07a669635c842ecee4eabc02ec35443e74bd61bcb48d79ea4070763801372b8e1bc3c0c9d8e6493d31344d837a66cec3d5876a00a94271789
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:SfBQGH6SfeoAX+U4
- TLSH T1E164F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX6FF.tmp
- Size 284KB
- SHA256 58981fa0a476c421e5900ee6bc3957672e404ccdbdc171cdcc243a4831891f41
- MD5 52a6d0e9f32644696032ee38b44c56cd
- SHA1 5abb568747efaf194584cf8399c0f2e9dfe9fde4
- SHA512 88307370914521956f05b8ded7f3de1fe1b96ccce0a7bb2f7e397cf73249053bcf3b02c341802ce26472d15bd1c327188abc43aae5b7e662c8c05917de340623
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:WfBQGH6SfdoAX+U4
- TLSH T14A54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX841.tmp
- Size 284KB
- SHA256 220ae48b3b4ab7c70866a935374ffae8a0612097fba773f6e342c581083c5287
- MD5 08f4b73a87a764c5ed04495cd2a9a76d
- SHA1 5fb1dbfaef2b2d92b25c4140bcc38b00d8e0655f
- SHA512 1497c00f599b6c266c264a7efc847e19155034342ce7e8ff5820edcdfc87ad10c07cbd2b762fc64429a2f8ee1af454d3ff270a3da388133443e45a9f4003b841
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:KfBQGH6SfwoAX+U4
- TLSH T1B55402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH