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
10/07/2026, 17:31
Behavioral task
behavioral1
Sample
2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260710-v31cdsdw2l
- SHA256 efd1846c860395fcd608e7c48c5695e6efb4ad8a6e94ee5f2a0c8d7608b6ba7a
- MD5 a12c21dee71ca4e6974793f59004b021
- SHA1 67a5bd5fbb1567f4360bf04348e7b03884ccb530
- SHA512 a1c20ab4c91c4494ebd07bee3c95c04d41e4f0cdc66b7c42398d4c0478dda13e08955b352876b3b38defbb5a9cc0cf69ca85f8ce5fb753587284692e108cdaf6
- SSDEEP 6144:RFlKgzelZNQSBQGH/CSpWqTCoAXjiU4bzF:GfBQGH6Sf2oAX+U41
- TLSH T1D15401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- 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/0x000c00000001c718-6.dat family_cosmu behavioral2/files/0x000500000001849d-54.dat family_cosmu behavioral2/files/0x000400000001ba8d-81.dat family_cosmu behavioral2/files/0x000500000001895f-192.dat family_cosmu behavioral2/files/0x000300000001b8c2-249.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) \??\N: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\RCXAC65.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXACEC.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAF65.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXADEF.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXAFC9.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAE63.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAF89.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXB02F.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB073.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXADEE.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXAFDB.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAF8A.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB084.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAE23.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAE33.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAE02.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAF67.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXACA8.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXAFEC.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB072.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB051.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXACB9.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXADBC.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAE01.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAE84.tmp 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-10_a12c21dee71ca4e6974793f59004b021_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 2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-10_a12c21dee71ca4e6974793f59004b021_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:6784
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 328KB
- SHA256 9ec5332c59ce435f88f625baa0780b693dd151941bdb44cdea90d452e7aa061d
- MD5 55250d650b09121c311322c85f061b9c
- SHA1 2cf824f0b8cd276aad997de8ac1832f830312a6e
- SHA512 618552e3a0e9b5cd3405c976b95da4af9b7f753eda9b71e4e234477af9a519c1b8b5c5dcbf6fc19014c7ac311f03fa87e726edbb05b6931711a2d52df5294b16
- SSDEEP 6144:QFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:nfBQGH6SfboAX+U4
- TLSH T18E6401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXADED.tmp
- Size 288KB
- SHA256 a176e575ffb2e244e21bc24d748adfb69cbbb9d4d94dab0d08dcb242efbdb9fe
- MD5 44e7a0177cb7674265d6ab7cc0c28ad5
- SHA1 943ceb9b23e2fe0e1dc2cc9e5d6c377ff8855b3f
- SHA512 865dd9e10f7205dd6df273131d0d8823a92eb14119d33c74fac46fb45044914d0be2b1f5f40bc68fe8c486a53fff58da3e47bf6081b52f4807b8d1604bc06e32
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:7fBQGH6SfRoAX+U4
- TLSH T1345401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXAFDC.tmp
- Size 288KB
- SHA256 b5bd1dcdf0a71c27ece73d9eca3fd50552321bfe06b33116e2d3c97dd18f3fe0
- MD5 405b1126479055c3954fc2b145f2dae6
- SHA1 dda52ce2e42400c7c339a88dc462674367e07e25
- SHA512 3ef5e6bac797217fde0538b6fc603def463a34e872939f3fa8bd771c055ccd7b79a8944eae13b0ec21e359141f18f8511a12da994c2fc45274802b78997bbfc7
- SSDEEP 6144:oFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:ffBQGH6SfooAX+U4
- TLSH T1FB5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
- Size 352KB
- SHA256 0d2f034e8c702000fe4e977f3611c625530c99db2658a0d2191bb471c2ad730f
- MD5 c20237c8427b30f061e36c6fe54a0240
- SHA1 29af6e331b5c6dd5d1c727ef425138fd7e7594e4
- SHA512 9fdd6ea185fc498d01f16bcf69802aed33a25579ab5da134392b6f9a0c79c5cb4e5327c1a7da82a990d3cfa4f5375cbbe3f99b80b3d1b41298be873f555a23c7
- SSDEEP 6144:AFlKgzelZNQSBQGH/CSpWqTnUjD5yoAXjiU4bz:3fBQGH6SfzUjD5yoAX+U4
- TLSH T1D574F1417EA2D8F2D44146315C67CF719737BC279AA4D203B7A93B4BAE713909B3B209
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\dotnet\dotnet.exe
- Size 332KB
- SHA256 234ff6b023beaa8fc36c8a362601f7af91e6b8cfca538ba9269f8b104c77a874
- MD5 5e4dabf704af50cbba0d8a2b9e4756c9
- SHA1 81b473cf493cd2459db6dfbac4f7d81d326dc9e8
- SHA512 934b244cb8c807beef4287c98127051eb9b07a11a04a9021b9472172b6e6e8d9f4011d8206521f1f70156737d9a30f63c4d15c816d2068e6059d6363d3e4145a
- SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTXoAXjiU4bzt:8fBQGH6SfzoAX+U4d
- TLSH T1CF74DF58FA9185B2C00C1532CB5ACB91B6376C23A5E5D143F7D8FA7F1F702946AEA603
- MD5 SHA1 SHA512 SSDEEP TLSH