Analysis
- max time kernel
148s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 11:41
Behavioral task
behavioral1
Sample
2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260908-ntrwbsfb68
- SHA256 c729d44c895852dad70f4dc781b31f5a06671cc2dba8655d146aca0196609f5d
- MD5 d5076033e22d02eb324ee14cde5759bd
- SHA1 d9305f517ec617e68030284dcb5240876b716751
- SHA512 bde86fdbe3b025d13c7e97313bad0cafd68087f0e2d9549c6352c2bf67419ca0c8b976ecee4cd3a96ae7a64127c8a258ae6465cb21f58e5d8215351b05cbb307
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTwoAXjiU4bzF:kfBQGH6Sf0oAX+U41
- TLSH T12E5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA361
- 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/0x000d00000001c539-6.dat family_cosmu behavioral2/files/0x000400000001ba95-81.dat family_cosmu behavioral2/files/0x0007000000018970-192.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) \??\H: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\RCX3114.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX32B0.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX32A0.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3387.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX309E.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3303.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX33B8.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3135.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX33C9.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3410.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX327E.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3219.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX309D.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3218.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3229.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3345.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3388.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX33FD.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3136.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX33EC.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX325B.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3334.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX33DB.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX307C.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3113.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX324B.tmp 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-08_d5076033e22d02eb324ee14cde5759bd_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 2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_d5076033e22d02eb324ee14cde5759bd_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5764
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 ac6d5f2f3e11f17dfe9057b309412d2f13167f9f57e15b49a48cb2147bfe0f64
- MD5 b6c5257f0d9132ceab4b1659491c4d14
- SHA1 fbd592404f5b2dae275d1deb794c2fda74c76c00
- SHA512 ead2df091335577fa52a185a36572f1f2164bbced2a3b1b173c351bf560fef4726edb8ed13186908b81d4f114d099e350610ac7a398d3f10eb8aa8b360060199
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:VfBQGH6SfeoAX+U4
- TLSH T16364F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3206.tmp
- Size 284KB
- SHA256 a6dea7feabf83e4dd9244ef167d76bc32025b42a42f81af63408eb098eaf876e
- MD5 46cbc68a009c1185c36ccb5ab9070380
- SHA1 b18759926d3d69380e7e3b7f43141210f0fea9b8
- SHA512 1c1cf533a1867b7b3d767c3db18359b021900b21c990661fd880b6b78c5372a7f351879d5e84d8eb4ff1ee7c3c01656c6512a58dddb5ab49a5f0ea245f7e2e8f
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:pfBQGH6SfdoAX+U4
- TLSH T18154F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3388.tmp
- Size 284KB
- SHA256 5ee60bddbe1f76bfaa325de0c2b0bcdec7d74760b0c8412c6aba2ea7f9cd78d1
- MD5 3f8010d94fbe27f0aaf06d0fe9c880cb
- SHA1 571464f3e3ff11fce951bb2e4e52115b856cdc93
- SHA512 17ba2ca6eff378be087549176f2ffed02e39020459ec888889d58f5e09177eaa47d0598157278d60843eb9f5fc69a0bc94a3f056b58ff6edbe457d78838b7cab
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:1fBQGH6SfwoAX+U4
- TLSH T1975402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH