Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 00:46
Behavioral task
behavioral1
Sample
2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260803-a42avsvfpe
- SHA256 a2addb3960c01b4cd760f1b96781ce3e62df8109175266704e5e026da43eff68
- MD5 1ace1ecf4f20a6d36c3af473071339fe
- SHA1 9004a128b9a4bf9460510223dee45718f3105afc
- SHA512 59bbcb95ccbad47ed9f6408cb0a370c22a5f452a15d0c818d3e4b4c57b589029334eb70baa77637be7254de784fc02f1a5053b7f161aff14e82031163ea615b2
- SSDEEP 6144:AFlKgzelZNQSBQGH/CSpWqT5oAXjiU4bz:3fBQGH6Sf9oAX+U4
- TLSH T1655402457D93C4B3D0414D3188E68BE15B7F6C137AA6E11BFB9D0B4B1EB13884BA6271
- 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/0x000d00000001c587-7.dat family_cosmu behavioral2/files/0x000e00000001c58f-82.dat family_cosmu behavioral2/files/0x00060000000188c5-193.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) \??\H: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4766.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4853.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4631.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4885.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4A91.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX47BC.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4A3D.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4AB4.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX461F.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4643.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX47DE.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX460F.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4711.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4A90.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX45EB.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4664.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4743.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX47DD.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX479A.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4768.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4769.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX47BB.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4A6F.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4821.tmp 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_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 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_1ace1ecf4f20a6d36c3af473071339fe_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:5908
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 330KB
- SHA256 68d6d736bf89f9e12ef21f888f13661d05974bed83dc3b1f01e3ba74a8ca6e03
- MD5 7fd7284826976679b6b96d8b51c3898b
- SHA1 30712f817e0a34e932d61f8925d8c573bc3ec54d
- SHA512 03f599f7989fa7601aada11a1821b8f4b91f0daf971f625d2ccb70b0d9b520bfbc8eadbf1ed093377bce290dd28c0d1830a77dd448b8688f73b6c574ed077345
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:SfBQGH6SfeoAX+U4
- TLSH T1B474F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4753.tmp
- Size 284KB
- SHA256 68750f339dbe4efb65a747b3060aee7bc290e4ff0db419aa6c10d2558bb4a7c5
- MD5 ef16b913011b7d70a7399ed4d19dc895
- SHA1 400bffca227098868720d7980e7126394fc613df
- SHA512 48d73ae9f6d65fbdfe3764c805ab5ea30c7c98d342801bc11b9204c1340e7e3b3c2d0278e0ffba664921876ddf18fe0d2a55e19a4a62564db002d6021cb20867
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:WfBQGH6SfdoAX+U4
- TLSH T13B54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX48A6.tmp
- Size 284KB
- SHA256 58cc3892c3e44efc81f7109f711b27461f5c75d518f2e6e07c784e0ea6a39ab8
- MD5 3425a2ea7ecc60ee32f265d2f5eaeddf
- SHA1 5a57676a565f416a8423af576297fc3beac1c55d
- SHA512 c27d9ca49f9c23c9063fbff970ae583f4299db50540df586e4873a89b796483ff3186b9bebb7ba25c87ca88042b791592ae15f69c73376cd08042c5a9f49497c
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:KfBQGH6SfwoAX+U4
- TLSH T1365402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH