Analysis
- max time kernel
148s - max time network
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
02/08/2026, 23:22
Behavioral task
behavioral1
Sample
2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260802-3ct2patcqd
- SHA256 0e96426d24dbfe5e57e668455bba9c6f1190ba8904673bcb05351337bc0be7a3
- MD5 f6727053c0f1f0167f51a7e5d9f1f570
- SHA1 6a8f356ebe58173b4ac9453ae51a1cf838fc94b6
- SHA512 7ab68e8b4ca86a66843675f98736fa7f584de9d723fe98e34b55af1404b38f4ca521f2e21f62cb1fdab4051b7f144bb79dfb4bc2c085b0161aa1410609a035c5
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTCoAXjiU4bzF:NfBQGH6Sf2oAX+U41
- TLSH T16E5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- 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/0x000d00000001c4c3-7.dat family_cosmu behavioral2/files/0x000d00000001c4cd-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) \??\K: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_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_f6727053c0f1f0167f51a7e5d9f1f570_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\AppVShNotify.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBA4F.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBA60.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBA73.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBA83.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB971.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_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_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB9D9.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXBAD9.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB71B.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXBA0D.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB94C.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB94E.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXB88B.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB93A.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB9EB.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBA4E.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB718.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB7F7.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXB84B.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB93B.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_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_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXBAC9.tmp 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_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_f6727053c0f1f0167f51a7e5d9f1f570_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_f6727053c0f1f0167f51a7e5d9f1f570_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_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_f6727053c0f1f0167f51a7e5d9f1f570_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:5936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 84bdd6b6ed101d81ec724da95fc5944fb7accf81ec3e4ce1ee466b2be510440d
- MD5 8fa83dad6cbdf8d2f2b3fc3705f99b3e
- SHA1 7c1bd914215b8693c0a51b6a10a46681f04ed22b
- SHA512 2d62f8e0978b5346e4716553c317d997ed9f70ce30e6cefaa0a4b8e7e04fdb9168d2b3e464fe38e110535ba84b275294ddfd3ba9ebcdf8fe13f1fe5439dd84c1
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:sfBQGH6SfboAX+U4
- TLSH T1247401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXB94C.tmp
- Size 288KB
- SHA256 5408daa15a4746ceb92db6b698590f205416a927c09b96b3b0d3d25f04aaca45
- MD5 8f75fc9d39412e42fd9f1a2333866606
- SHA1 a44138e1dfaa779cc09170a6f58cac75fd9dd33d
- SHA512 6af814b855489545b090214f96041236a7b4bef61b2a00a4747b0e9849c9c7aab5714b9d9fa942eee817e6f0a2d92b99bad2618fb6a600e366183260e0c07875
- SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:AfBQGH6SfRoAX+U4
- TLSH T11F5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXBA60.tmp
- Size 288KB
- SHA256 91749338806c694e27db41aa0526cb73c0efabd7b58fa4d4a403cba2a1d66ab1
- MD5 f721813b0c200c5a5274b059a074930b
- SHA1 39b4d2751622e37b063b8f43ab07bd06e11b69e3
- SHA512 80797d6e17f47ea2abedff84f2e4a11b31422b4e4332ce3ec9a9717b57b495c72175a3bb7d20d96cb840006a27493f8499423d5544a59d5290608e1541409a2e
- SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:8fBQGH6SfooAX+U4
- TLSH T1CB5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH