Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 22:19
Behavioral task
behavioral1
Sample
2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe
- Size 2.1MB
- Sample260812-181g8stycs
- SHA256 34ca7641312839132f53d65240caac0cbfd49dc0693c55a27e898bdb5dcd1d82
- MD5 74ab7d042372257accf1c1ae216eb40d
- SHA1 e245c03220d03c7e15b0bcc9489e5464faea0922
- SHA512 34b3d35ee8b1b0ae0fcf038ba65c0905d30e0e94cd39c923f75cd72fada8129cb076e626e4dc3e02059c24419d641f00ed6b8bb8cdc42d92b5a7510e239774d4
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTLHHHHHHHuoAXjiU4bz:PfBQGH6Sf3HHHHHHHuoAX+U4
- TLSH T139A5A5E42740A76DE5F30A3A0655857423F73E8B7C9E72B26D55370BAA30960B7CB20D
- 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/0x000c00000001c5e3-7.dat family_cosmu behavioral2/files/0x000c00000001c5ed-82.dat family_cosmu behavioral2/files/0x000700000001898a-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) \??\J: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX59F5.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX5D1B.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX5D4E.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX5DA3.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX59AF.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX59D3.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5C81.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX5DE7.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX5E1B.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX5DD7.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5CA4.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5CB5.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5CC7.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX5DC5.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5C92.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX5A06.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX59D2.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX5DC4.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX59C1.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX5E0B.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX5E0A.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5C71.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX5D2C.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX5E2D.tmp 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-12_74ab7d042372257accf1c1ae216eb40d_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 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_74ab7d042372257accf1c1ae216eb40d_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_74ab7d042372257accf1c1ae216eb40d_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:3116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 59a1776b907c575617fc7c1a2211d052df3977ab04f9d0b8e4c1938fc2927752
- MD5 2930cbe96d334db51328bf37331429d6
- SHA1 14b380bd66e6efe6dd53e97d4bb035d16e210f0e
- SHA512 b01ffc3a2e4a6ec087affb0da88998c809469f243d8b7004f0c64e3b46d743ef76da62fd5def6ffb79df3f46bea94087241f2b43e92542db7627b39056807e3d
- SSDEEP 6144:VFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:yfBQGH6SfeoAX+U4
- TLSH T17064F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX5C81.tmp
- Size 284KB
- SHA256 d6c07d8e9dd6ccddd07b72aa4d5d9d00597a7df97606d265968d05c6d4bacc0f
- MD5 36267f39e86a3ba0d615c82139a2994d
- SHA1 366d32fb61bf9388f2b575b6b4daa6f54502393c
- SHA512 f7c6dfeaea2beff46521a03ae117c2391597ecfedc46276f527d37f3f0a1330951207035e239f3d26f0397a4da994be196ae6d1ef12029bf756d07be0a66e6a4
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:2fBQGH6SfdoAX+U4
- TLSH T1C854F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX5DC4.tmp
- Size 284KB
- SHA256 8e8bf3157c1286a1ab6399110198418c3946dc229c8ba95398f56fe8d26dbb2b
- MD5 660261eb0f8d0ce065dd87b54e0b84bb
- SHA1 d9d689c946e6fd9cfa3dfbbdb291d1dfddefd683
- SHA512 01e6f43bd79e62202bf2086717e307c0785deb3ecec5dfd0f250b34da7b1e511ea58f43dd5c0f861b457e8868b6dd9f3c6227d355e1c6572e293b32491f3519c
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:qfBQGH6SfwoAX+U4
- TLSH T1BF5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH