Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/08/2026, 23:32
Behavioral task
behavioral1
Sample
2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe
- Size 1.4MB
- Sample260814-3ja76abl6z
- SHA256 3a6f35637ba7abb6a36eb61325380ced844b8587f4b0b130c95d1cf6f61787d6
- MD5 7dfe5c6dd260903344fa51094bf13fc6
- SHA1 19a8b6255f5cd90b05068edf910b68ae2a15561d
- SHA512 ff54452a37aafe8ac25dd00f97a52a7c9000e83229d8fac6096c86eb869c4d38701508e2a4d5a19b95833d5af02a7a5daf3c315a78cdd091fa9d3824b2b2876d
- SSDEEP 24576:Ifa86SfLkQ5W9GIpThCTZ0og6f5MLb+VONw/haSqnFGUMhglHZaawTXaN:IfaygL9fpTgTZ0og6fWLb+VOa/hunKhA
- TLSH T15865CFC2F202D0A5DC1645308C27DFF81B16BE62AD1116177BD8BF5FAEB3382592259B
- 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/0x000b00000001c6e2-7.dat family_cosmu behavioral2/files/0x000c00000001c6ea-82.dat family_cosmu behavioral2/files/0x000700000001895d-193.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) \??\J: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX55BC.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX56E5.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX54FF.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX56B3.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX56B4.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX5691.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX5777.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX5579.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX560F.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX532C.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX54ED.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX558A.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX535D.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5535.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX52E9.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX52F9.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX53C0.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX5680.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX531A.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX54EE.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX5681.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX5766.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX56F6.tmp 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_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 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_7dfe5c6dd260903344fa51094bf13fc6_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:6708
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 1d2e6b5e2ae672f9e880dc2d69424621fbfebad636c1bdd265eb45c85d9e11ba
- MD5 46f29732711299b30393e0c78586e47a
- SHA1 037be5a14208565f61ed04accd9d42a409c19704
- SHA512 b39f0ef356db512abe9ff692a4aa71019e402dcda0fdd378d1f792d0425519080079831ce062dc18739a9a2648fcfcebad907e7734974c4d87c1ca79eeabebaf
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:tfBQGH6SfeoAX+U4
- TLSH T13A64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX54FF.tmp
- Size 284KB
- SHA256 ad14303eea210e98239086967ef4a9af2b176fd68ffd20339985b5d78a8da420
- MD5 286870b39d10106017c0dd8ba7394cb4
- SHA1 0786b8c295e6fefebadea067a6e6e29ba4bb35ad
- SHA512 27d26d6e86844622518d2ffc02b3a53cce209e58c5126714ed107b3c935df76bc8fc4a640b9ddac0de49d9da8dccf7f384e10df39e99b783cf1f020f05760eea
- SSDEEP 6144:GFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:hfBQGH6SfdoAX+U4
- TLSH T17C54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX5681.tmp
- Size 284KB
- SHA256 0f5f987c302a6c7b129b1f3bf6e578971b9df83c83dd65aec3937d991d53a2d7
- MD5 03c73d710967f25dae67fe68e472dbcc
- SHA1 1edf9fefb4b2f6f65c7c6605e1988b95e493b931
- SHA512 54b01ea51613a3b2a767721c5c15f3030667034e9c3360e4a4bc39ba954ec3da7ca72795ed026d7e735b6e02e44625385de50ea06740efea6f3702b4cf2a17d1
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:tfBQGH6SfwoAX+U4
- TLSH T1C75402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH