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
07/09/2026, 12:51
Behavioral task
behavioral1
Sample
2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260907-p31ehaxcqa
- SHA256 4ae2a367b88e236d253ad535bbe31aefd2db3954a01156bbff1b51ccd00f4b22
- MD5 8fe581cacc911a980cb493fc36b05589
- SHA1 e1b8eb3c8b85bf91c42012fbd5ba714cf8ec444c
- SHA512 9f72789f575e2bb69391ff398bb10cf8ecef76b67b186e2ecf025026024a8f28eacf2d4d19bc2aac57d578b7dc80977f1759a580da399b068f8c20f4a40c20cb
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTOoAXjiU4bzF:ofBQGH6SfaoAX+U41
- TLSH T16A5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6761
- 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/0x000e00000001c583-6.dat family_cosmu behavioral2/files/0x000500000001bb55-81.dat family_cosmu behavioral2/files/0x00050000000188c7-192.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) \??\G: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4B8E.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B04.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4C48.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4ACC.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4ADE.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B06.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B16.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4872.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4B29.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4C6A.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4AF0.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4C36.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX481C.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4AF1.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4ADD.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4893.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4ACB.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4B6C.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4C6B.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4883.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4B8F.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX481D.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4ADF.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4AEF.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4B3A.tmp 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-05_8fe581cacc911a980cb493fc36b05589_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 2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-05_8fe581cacc911a980cb493fc36b05589_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4384
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 e1998e9bdc1bcd2595238e4a80c9f34fb9b59d4da396d702ee949e39cb1f325f
- MD5 516155fd4c521927de38eb194d346dfc
- SHA1 f1f2436746c69b991d5028b5aa6633f04085e84d
- SHA512 ed7b15854619c0eb17c14297b720805722972d53081e16e0e069993bc8572de8b17f8200a9f35d143a7aabe3318e5da816442e4795fb78e433935da4c7c12707
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:1fBQGH6SfeoAX+U4
- TLSH T1F664F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4ADE.tmp
- Size 284KB
- SHA256 2e75681d158220991d574824e029a08d4e57fa55f73ca78fb388670e292dfbe4
- MD5 029e2d4818153087a1f0e5f34604cfa3
- SHA1 6e28a5f7f55f1e7797a4218dc60d4a9bb04777ef
- SHA512 4914fe6684f9885f4d9746c53d04198dbc44d5b7ee56dd16dd3eb147ad28f14f2617ff9e268981a54140a62913231e1c828158a87202d13a678dcd522c9f3913
- SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:JfBQGH6SfdoAX+U4
- TLSH T19454F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4BE2.tmp
- Size 284KB
- SHA256 f5e08565d456bfead9c7a10ac9c57ecff95a421be6579a54e74a3ed14d53b0ec
- MD5 4c4b847f507ea7ff041ed6924d712840
- SHA1 da48e8d0d33d042e4be9a7b5d911744cd8563b21
- SHA512 df76f73f638544e666263fd7951d219491e4e864372b6c988ca0d0099bb5e4caad0bd07589d1e2ecbfcf198a0647b8195ffc93767a8222689e1f5d554ee9cd84
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:VfBQGH6SfwoAX+U4
- TLSH T1065402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH