Analysis
- max time kernel
148s - max time network
139s - 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, 23:16
Behavioral task
behavioral1
Sample
2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260804-286vpafp7w
- SHA256 f7e0b4f40427154536dc986ad7564a2ffdc3cc76502e0cc60481787b8c16900f
- MD5 24ab3fffe25bf9706a5a99d7323db4a2
- SHA1 92905b851a61a60927e9375cfe162537204996f7
- SHA512 affd27b5c597c0cfb7810f1e4e2b4fa2f642903270fda7fffccbcae73e9ac1e37e73ef6ff80bedc1ad54eccb89f5ecc4449b798450fccab8ed365716336f7ef5
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTfueF/mNyBqoAXjiU4bz:OfBQGH6SfaCBqoAX+U4
- TLSH T1D275CFB17B93856BD4E7C23CB1858593ABF69B031D539263D7A0EE3DCA392814DD8C42
- 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/0x000d00000001c57a-7.dat family_cosmu behavioral2/files/0x000400000001bb33-82.dat family_cosmu behavioral2/files/0x000500000001898c-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) \??\M: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\RCX31FD.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX31DD.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3324.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3335.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3632.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3348.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX320E.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3358.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3631.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_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_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX33FE.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3620.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX322F.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX32FD.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX33BB.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX35BD.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX35CE.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX31A6.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX32FE.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX33CC.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX320F.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3462.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX32ED.tmp 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_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_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_24ab3fffe25bf9706a5a99d7323db4a2_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:1492
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 338KB
- SHA256 3b3b0e8d57daa1b8e0a86fe1847735c4827e95ac179e7ca96db1d808709d5d87
- MD5 da91eb384e74d2ba1621fbc560dbcd0b
- SHA1 f7345e40366ec1375ecc3d823c4be16d2d312a6a
- SHA512 d89faf4a653fc37215e41952cc7d123938fdc6eab3f7820a452445a00da927315ce3524042f5d6c1e8cc7770ae91590e61240c17e8c35d932fa266dee6a2a04e
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:lfBQGH6SfboAX+U4
- TLSH T12B7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3310.tmp
- Size 288KB
- SHA256 f79a16b37b0774df26b2cd2a6c45a88c68bab61661b00fa3735c71774651223f
- MD5 fb87306c51433327e6d1b69b098c4fbc
- SHA1 f1b9601ee87e395c450266deaad9e0e2781f63c5
- SHA512 35ec2406b05190617b3d4a3f9f04f153e22d0bc317d5866a30dcf67eb5223617fef00652671b7e8de733d6ae3ecd3dd6624e2c1c6f0dd5566f7b20247ac3e576
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:xfBQGH6SfRoAX+U4
- TLSH T13D5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3462.tmp
- Size 288KB
- SHA256 6ddf6d453d3ca4d9839e4327f252fedb14428626311d8c24ab0947f90bacf0d8
- MD5 a4f4024f7c3151bcabaa3842bbc66148
- SHA1 c6f28c59ae29087904d8375a4b39d45e82ca5d84
- SHA512 94071a42465dcf493aebdd579f3df3f2c013f90c282c58165fcf9fce48836546cc0dba8997a3dcbf2ecc9bb6d5e2281bd3041977007424535a2dd53600bffaad
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:tfBQGH6SfooAX+U4
- TLSH T1A65401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH