Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 21:42
Behavioral task
behavioral1
Sample
2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe
- Size 292KB
- Sample261001-1kalxazcmd
- SHA256 2dc4cab9448d615906c2c0f64563274034adf2ff22946de54e9378e7795e9319
- MD5 f213819c4347747968bde732b1494586
- SHA1 6ce7189fb61cf8525916225d906527812a1fa811
- SHA512 f27da75c8992975e3026c32ee5bb44d460476322c2c7d2565ccd9f96acc75792935145ef309c986ead11df3d0b89414ba10a6ab7ae5f0ca1d5fb0e9b7cf61b91
- SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqTBoAXjiU4bz:JfBQGH6Sf9oAX+U4
- TLSH T18254F19179A2D8B2C48185318CA7CBA19737BC179E65D203B7ED3F4F2E713D49B6A201
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 5 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c507-3.dat family_cosmu behavioral2/files/0x000300000001bb3f-80.dat family_cosmu behavioral2/files/0x000d00000001c512-87.dat family_cosmu behavioral2/files/0x000300000001bb41-189.dat family_cosmu behavioral2/files/0x000600000001bb30-185.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) \??\O: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXC920.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCACC.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXCC1B.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCB5D.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC877.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXC8CE.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC9F1.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA27.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA15.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA16.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXCC61.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC9CE.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCA6B.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXCC4F.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXC8EE.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA39.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCB4C.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC89B.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA5A.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCABB.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC9EF.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXCC90.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA13.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA14.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXC8AC.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCA02.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCB3B.tmp 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-01_f213819c4347747968bde732b1494586_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 2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-01_f213819c4347747968bde732b1494586_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4292
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 333KB
- SHA256 79415126d7e9bfa1bb79b29bfa9ba8fb880e9c8bab65ac86c77939187a543ae1
- MD5 5f23fee65528604f663340bdae53510d
- SHA1 51e8b9127b4c5976faee0a41aa5bbdd76550663e
- SHA512 4081a7aa6b9276f94e6c547be06945b3951d64f82f595a784ba2d1b411229587480ede051622b18cee76198b8de33dcf3c6d3cf2e00ce3b57fb2d8875bd43dbc
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:pfBQGH6SfboAX+U4
- TLSH T19C7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCB7D.tmp
- Size 288KB
- SHA256 4358a0fcd16bfe67f750b41dec4ac8e6e7c3c9384c0d467ef0a75cd9a30d9a83
- MD5 0068aac49c491a0205ae8dbe5ed05690
- SHA1 fad1fc048a6cd09c32858b1d42fe403315d5f1e5
- SHA512 6f7e65af657c4e6dcda6216b5d934ce90e9024faf4f60f231a15706208255b4923f77223b8dd0e82da7a0d6f7d01dc8a72bc3921b871d2557ff39ff709090620
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:BfBQGH6Sf3oAX+U4
- TLSH T1F05401817DA2D8B3C4414A3288A78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCBBC.tmp
- Size 288KB
- SHA256 51d1bd5a7786b569c7d19b814cfc99a09b636ca89e9f55f4a7bce3934661a3dd
- MD5 6e515d9ce0b84bf9e2f3bdcfdbc8dde1
- SHA1 6d06230bae993d08a897d66788887064ffa7aea9
- SHA512 59ee2af8ed09f66b6510078694b0825d2afca7ad77ce1a7900deb286eddc4fda67124929faae574a6586a265fa9c0bbd1ab5b7fa1ede322be066e1271f457ae5
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:xfBQGH6Sf+oAX+U4
- TLSH T1DB5401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXC9F0.tmp
- Size 344KB
- SHA256 c371c28102762ea96664df5993ca7c2ed183355e466e88cc490e3513da50a150
- MD5 37766710692057acaa41c388eb7701e7
- SHA1 64b81cc67632959f9b026974687c70310ef504e9
- SHA512 5ba765ac43d751c1ae8d35e5f04ab419af81d693ef88179b815fb77be0b667238cc3293e4b0df4836553a35d8138c0f9dc193e966cb4fb860870bf3611ef8ac4
- SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqT+tnRPF9cCGr3oAXjiU4bz:efBQGH6SfWnRNhsoAX+U4
- TLSH T1147401167E93D473E0404D3098A78BC2877F6C43B6A6E117FFA82E471FB139456A3662
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\chrome.exe
- Size 1.5MB
- SHA256 19c4110709fb0ca494b8135b32e305701485efba79a8f435a17307652641e4b9
- MD5 12dcb4cb2e12e511647f7e8255edd7eb
- SHA1 d472afedfe382a427d2e95dde4093d32b643bc2c
- SHA512 2811e8db01603c78cbca28a1b3affe210261ebd97ef214e42af84311f770cd75ab2db4d85a01179e97753ca342a1a9d0f4b93a2d3b839a72e760bfab8c28907a
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTttnRPF9cCGrDoAXjiU4bz:KfBQGH6SfLnRNhcoAX+U4
- TLSH T1F36501157E93D4B3E0404D3098E78BC2877F6C43B6A6E117FFA82E471FB129456A3662
- MD5 SHA1 SHA512 SSDEEP TLSH