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
20/08/2026, 21:59
Behavioral task
behavioral1
Sample
2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260820-1v489swdld
- SHA256 b75bfd0f0bf1908882ccbb3fcb829a487262887577d746d5ef3449d06bf8b2bd
- MD5 46a4c8dfac2b1f72554e7c2d09f251cc
- SHA1 6760eaf84a265d3409ffc7e252f8011db6147f7b
- SHA512 8751c8d1af688107011599160d0b27c33706ee242565390200adf0bf79ac5514050e9dbf7bc7042ececd28c35ce6b5c97aef61c1e9556778c4607d37c0ca9e0a
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTkoAXjiU4bzF:afBQGH6SfIoAX+U41
- TLSH T1575402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000400000001b2cd-6.dat family_cosmu behavioral2/files/0x000d00000001c59d-81.dat family_cosmu behavioral2/files/0x000700000001ba98-116.dat family_cosmu behavioral2/files/0x0007000000018975-192.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: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_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\RCXB286.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB233.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB5C1.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB264.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXB2A7.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB432.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB444.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXB558.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB285.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB202.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB232.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB3CC.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB4F4.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXB57A.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB5AF.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB3CB.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB5D1.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB4A3.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXB2A8.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB3BA.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB420.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB3DF.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB442.tmp 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_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 2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_46a4c8dfac2b1f72554e7c2d09f251cc_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 329KB
- SHA256 71371704435c4a51e5754fa9cf788dc67e4b7952bcbf2ffe3693dc0fb5f823a5
- MD5 3dc4f77078c4b1a889a33c965ad74027
- SHA1 df7f58dfe3eef6415f2017ecef71312515e82fae
- SHA512 85c0a6bf83d9da957da3234d8d4d70a21c45b04cd32fc10236b351f5055612b65db130d42679f8a82276a612666576586ef9b0cab4ce80078ca5e4c5bfb3d53f
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:ZfBQGH6SfeoAX+U4
- TLSH T15674F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXB3B9.tmp
- Size 284KB
- SHA256 d23e64a62ce829f991acec4fa94b3e20d893a554a8437635eee7ca60f5aeb3d2
- MD5 684367e485663b8dee1b6050740b415f
- SHA1 19a1cbff4db991dfb9f69097d6ff39a878e9724a
- SHA512 1631ccf0ac856c5d48d598012fc3a33fa901a75395127128d590429386db84f1caa70f2bf7c1935882af1211b97e15c9c13f5db8cf5e17e7d13788bba4b98256
- SSDEEP 6144:6FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:dfBQGH6SfdoAX+U4
- TLSH T19554F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\chrome.exe
- Size 1.5MB
- SHA256 864d3cc28d12064bccfbf66d3882a70877628c026b3d9c8fdfab2fbd8c8a383f
- MD5 9c2a7cad7d3287fd6b49f4640eef50de
- SHA1 b3777d90f5413a392fcf5e24ecf89f2abd4488da
- SHA512 be4cae7ca707440fa5cde1cf2b222d937c7d54945c0ac8e00d5b69cfb60659fbdab91732691c857fc304089583887e98dadcb0fdd27af1a4c0a061fe8168a4b8
- SSDEEP 6144:dFlKgzelZNQSBQGH/CSpWqTxGYxlkBx3aoAXjiU4bz:6fBQGH6SfNGYUBUoAX+U4
- TLSH T158650141BE83DCB3D001053188E78BE1177E9D13A676D217FF9D1A0B2EB238556B7A62
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXB56A.tmp
- Size 284KB
- SHA256 14f5a20090b4f38fed463916c96c891f6d12416301da0fc17468624887cb5325
- MD5 75022e948f7642cbece6db8160f0e674
- SHA1 1c73128ca399d7df7342af4a3d6565b9d87d3b60
- SHA512 63940ab8ad4387ffc59d07912c6dc7d2fb7123c6f526f9a95b4b83160a4ebb67372859b19f607e061c9ef98c540e1c22ef8c6404bfd35a7b19c8f9f0c4eeb3a1
- SSDEEP 6144:+FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:5fBQGH6SfwoAX+U4
- TLSH T1315402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH