Analysis
- max time kernel
150s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/09/2026, 14:53
Behavioral task
behavioral1
Sample
2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260922-r9fpsagg39
- SHA256 ad466353895bbd1eb030799aa986d6a2928e58e2e6c78590a6de0b0cddce2e58
- MD5 1882064882937c1f7abf01d82cc5e150
- SHA1 7201415b8b19daa543c63f07e62067f7b38a1bba
- SHA512 89e6e3c078ebc2cad038b8df3a5c315ccacd41b7086430f9ed0acff70bac404ceaf5cd8853872c0caa9e5ca0ed8196b6a5068e585b085fe2f358ef1f8e11f194
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bzV:BfBQGH6SfRoAX+U4l
- TLSH T1765401917DA2D8B3C0419A3148A68BA197376D139A65D203FBAD1F4B2F713D49B7B302
- 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/0x000900000001b302-6.dat family_cosmu behavioral2/files/0x000400000001bb2f-81.dat family_cosmu behavioral2/files/0x000300000001bb31-173.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) \??\L: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\7z.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49A9.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49BB.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4AD5.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4893.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4982.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49BA.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A64.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX4B1C.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4B60.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4820.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4A20.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4AFA.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4B3E.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX48B6.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4A42.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A63.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A84.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4B0A.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4994.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX481E.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4B5F.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A96.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4894.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49EE.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4851.tmp 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-21_1882064882937c1f7abf01d82cc5e150_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 2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-21_1882064882937c1f7abf01d82cc5e150_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5200
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 335KB
- SHA256 6aadfa08fb11d12c0240f1687c9dd39179b9b0157274eb37db4778ec90d7ed8b
- MD5 fae4c93499d82382f35b4d8a0825e85a
- SHA1 b5da4462b9e8edab8ed8655621a641faf51573c5
- SHA512 58405826f0292e7550f226a6a7034983ef091a6c08e5b31db225b406a7b32bb00063f69541307497136695f102c2709504d48424a48d3487102e371639771a21
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:SfBQGH6SfboAX+U4
- TLSH T15A7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
- Size 288KB
- SHA256 eebe691f8311c52eba9578456ccf2d7076bb688dc1d984f52f2666f833f41373
- MD5 debd5c78e63c277006c5761e64bb12a3
- SHA1 685a4e4cf6ea152a8c4c686c691bfcd701cb62c6
- SHA512 f7be4dc20cf3f7d6f112d5af944e5dae7044ce2af5e9e0e05285be0352adf8faab344fe2afddf96ae2f4de36797e8b47b54c5ff741d13408ca00a502129721ef
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:SfBQGH6Sf3oAX+U4
- TLSH T18D5401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4995.tmp
- Size 288KB
- SHA256 2fe92e75ad47dea595e4cc47176b7fab4bbfaa577b82438a898e669366f8068c
- MD5 1ee4cfe295c12008a1cc7073a3d1c1f8
- SHA1 50db286e7d516cb472dad54ba8b1aa9c56a7256d
- SHA512 4f2f4da5c02bb4228c0b54e690368b7b69dd8e98877566c18760d7798e4b7f827b0a088bc046c5981cf5309871cbddc1e60dc60202057511d19a41127c7006cd
- SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:efBQGH6SfRoAX+U4
- TLSH T1795401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH