Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 22:34
Behavioral task
behavioral1
Sample
2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260819-2hadssvdme
- SHA256 022c7f3f4fc093632cbb394a1ee3a7a7cf6b568a79b2d11f38f366a7d8fec617
- MD5 82b0a64802c88b4d2906dd1f21543eca
- SHA1 3c1ddc35618bfbcba71c96924456b44c1d7eedbc
- SHA512 862f997db01f8aa9c198c27d9ae723ae70168379d1ff5605af11e693e81d224d15b396166e16e1c3756383da691dd44cd7f82b63c6be53707b3f694b0b92db76
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:lfBQGH6SfioAX+U4
- TLSH T1CB6502457DA3C4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
- 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/0x000d00000001c586-7.dat family_cosmu behavioral2/files/0x000d00000001c58f-82.dat family_cosmu behavioral2/files/0x00070000000188c5-193.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) \??\G: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_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" 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXA512.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXA69D.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXA6AE.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXA658.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXA6C0.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA49C.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXA511.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA5F3.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXA397.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA48A.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA49A.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA4E0.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA4BE.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA637.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXA67A.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXA68B.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXA2D1.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXA366.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXA303.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA489.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA478.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA5C4.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXA396.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXA2BE.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXA356.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA636.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXA2F2.tmp 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_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 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_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 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_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" 2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_82b0a64802c88b4d2906dd1f21543eca_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_82b0a64802c88b4d2906dd1f21543eca_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:2548
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 4d7f3dee91842c0d8c644375d4e51017fc4484ff76455aa849fd1207982aa257
- MD5 76417452236c80ac2106bccee3e22833
- SHA1 6c9d7ee2f7e869385d954dfd4778095c5aac4211
- SHA512 7eef9504ec4373f4cea6bc407144f247d6270f134c0188055d692c77fdcc821fbfc918b15d5460762cc5ec25ab86d588431d6f6a1c71bffc2f2faf58fd396f10
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:VfBQGH6SfeoAX+U4
- TLSH T1D174F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXA477.tmp
- Size 284KB
- SHA256 cf5477d8e001fdbc968a2344ac42eb7e046360e6db22fd9f6f1fdaa516fb5f88
- MD5 89614ae4e59c54b44157b896ed8dc6a6
- SHA1 449bf3074b2d2174e1b8be005335a625fa365915
- SHA512 9590e3f42b89798fd0b83527f259c68111fa212cabdbccaa8a0900e9d102c4fb88c8862e1e958a54b46222297a000f302531e6376a383b8d7e3f7439a3fdd7a2
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:pfBQGH6SfdoAX+U4
- TLSH T14354F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXA637.tmp
- Size 284KB
- SHA256 7d2f1ca13350f0682821cec0afd707ff1f5209073ba926465884a9095b3d5975
- MD5 26932067322b577b11a8bae3ab3eb737
- SHA1 03b6595bf585fecab4a2c244375eda720bee718b
- SHA512 62d3f9e489dc999e277a4b62ce6a5e3a96933cf6fad97de46fcd170d8f65d97016f0eddf154549720ea72f42ccb48e3e0e8fb8a33f3b9d6a49a46321520a2b3b
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:1fBQGH6SfwoAX+U4
- TLSH T1685402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH