Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 06:05
Behavioral task
behavioral1
Sample
2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe
- Size 1.4MB
- Sample260804-gtms2seb23
- SHA256 2a8b02c776b7240dbe2b8546991d560226c23b2a4167f299a63b14ca29cdaa85
- MD5 9ee10258aa4a20da22c6669b50ac7409
- SHA1 73430d1259f04d47f1d9663cc0d14c104d17fd92
- SHA512 90b4c72823889c9511c8c04b61e702357b232e334c6bfbaecedf4446abaf0cb8adcffdf4ee9499b5e16b8179853d4cad1df7b18fcbf9bf3d5fb0f0e1d6c59d1b
- SSDEEP 24576:Ufa86SfLkQ5W9GIpThCTZ0og6f5MLb+VONw/haSqnFGUMhglHZaawTXaz:UfaygL9fpTgTZ0og6fWLb+VOa/hunKh+
- TLSH T1F665CFC2F202D0A5DC1645308C27DFF81B16BE62AD1116177BD8BF5FAEB3382592259B
- 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/0x000e00000001c532-4.dat family_cosmu behavioral2/files/0x000d00000001c540-81.dat family_cosmu behavioral2/files/0x00060000000188c5-192.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: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_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\RCXB7D5.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB68D.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB7B4.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB41B.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB7D6.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXB85D.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB86D.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB68C.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB66A.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB3E6.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXB48E.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB8B0.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB41A.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXB83A.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB89F.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB8C0.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXB45C.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB637.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB67A.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB6EE.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXB45D.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB6EF.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB73E.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB89E.tmp 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_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 2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_9ee10258aa4a20da22c6669b50ac7409_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4300
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 329KB
- SHA256 eb704304a7a91bf194b028d976b0774af6fd593c18ff8d5bb3037ef5595685f0
- MD5 8988bd14835710e55e398376a32ae8e5
- SHA1 f87fb90f726fbdf63e1c0dafa39458399f8d0534
- SHA512 1399e6b18a5e6e95f22c21551c872928195c1b5cb4b390d6ba6c34f747479223e16f2ff25957f62567e3de27bd7b03cf76d95721414c69f414c0e204f4a0c489
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:pfBQGH6SfeoAX+U4
- TLSH T1BF74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXB669.tmp
- Size 284KB
- SHA256 42de0f03c5cbf3396ff64c89a95ae967ad2be71c0c911648ce73231407ef0c6e
- MD5 11941ad64bc9957ec0759f1c243968db
- SHA1 47eedea4a8955f869d6eef08551f1537ca934b2e
- SHA512 df2363a03d3fdbde3897b72ad50cc223e6a0e748e960104a97cfda155cbb749a2bcdb5255ede28772014319d8759c7c15f9bb9e765ccfd085180c039d4f18802
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:tfBQGH6SfdoAX+U4
- TLSH T13654F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXB819.tmp
- Size 284KB
- SHA256 16e26db0e5941edf101a96683451a26648f7d796877018bc57e66ea37ae2a98a
- MD5 e750415a28492f6c5de721c70133afa8
- SHA1 aed6afbb73745ee3e72ad3fdfe8a67e263e817e1
- SHA512 9e7518bb6728d7124286fb44989f72eff76ea9697c22576da95472cc67ee2d484d2893227abea9d9a70f0c1d10c80aaad69f59ce7bca958608dc35d74afb7cdc
- SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:JfBQGH6SfwoAX+U4
- TLSH T1FD5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH