Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 11:25
Behavioral task
behavioral1
Sample
2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe
- Size 296KB
- Sample260720-njbflags9j
- SHA256 f9af87f9d89e3bac416ec8c54a1cec4ee2a437ea7758c2f3db9451ec1cae25e9
- MD5 9a780802e5136aadffbcda7346a10ab8
- SHA1 ffef0beb82403f2ca77efd8835d7fc0bae231a09
- SHA512 600121a3c12480212e3cc4b31012591eceba5e52b40e056bc3675bf275e931bbdb0df980f1bb9dc83d2c6be25b0a2314c9f2a1e0ca9486d5e538f0996976b91b
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqT0oAXjiU4bzB:gfBQGH6SfwoAX+U4x
- TLSH T15554F1453D93C873D0414931CD96CAE15B7E7C13BDA6E11BFB983B4F1EB13888AA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c545-6.dat family_cosmu behavioral2/files/0x000e00000001c550-81.dat family_cosmu behavioral2/files/0x0005000000018968-192.dat family_cosmu behavioral2/files/0x000300000001b978-251.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) \??\D: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXFBCD.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXFB68.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXFE26.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXFBDE.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXFBAD.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXFDF5.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFB45.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFD5D.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFCB0.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFB35.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFD7E.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXFBAC.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFD08.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXFDD2.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFD3A.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFE59.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFC9D.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFB57.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFCE4.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFC9E.tmp 2026-07-20_9a780802e5136aadffbcda7346a10ab8_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 2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_9a780802e5136aadffbcda7346a10ab8_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5124
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 325KB
- SHA256 6095771668170f69d7c24bae0f1d064b4734c0bc8a2746a84736f17dd42ebcdb
- MD5 06847e8b6e745991ba59e174165989f9
- SHA1 a51b579075e0ae7a6d74c2e76c3f30f31b04092f
- SHA512 e983f6e236bb12a7b836eab857b705aafdbe7257830f1fcfe15838247b0a99571c8c3dc628eac4fa0bbbe94d1e8b3f7ef53ea6edbdaf4dde013cb223260bee3a
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:7fBQGH6SfboAX+U4
- TLSH T1B56401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXFC9E.tmp
- Size 288KB
- SHA256 62162b6bf4d55072f02ccbefa075f8db7521b66a542c6a6fc79b5962772959e2
- MD5 19e71e32734c7d5497dc6d669868a83c
- SHA1 36d9a70481c4a1b8495e5bffcdf9ac47bbe469fe
- SHA512 07289f8c3d2cfbd2e5b85203db0c7d13bcb8951dd01c40c321226f83f48e17d88eed709fa4a6077eac05659ff5596bfb866d5dfe35797b4f31e47467a835668c
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:PfBQGH6SfRoAX+U4
- TLSH T1965401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXFDD2.tmp
- Size 288KB
- SHA256 adccc1dcb62e105b4b615f9e609c3c36cdd652ec7a5e051a02d5fa2ad3d17ee8
- MD5 370352887971b7b527685e9bad2ae0d5
- SHA1 b1b0ff80c1996ad474d98a9aea957cc395eec4e3
- SHA512 c760e8c2ff51529db24856a3f05e00b590a521e84861a472d6a31ca3c8848310f85807adf6831a92e055a46281adb3d23a37aefc896e2910d5122cb948ff4873
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:TfBQGH6SfooAX+U4
- TLSH T15B5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
- Size 353KB
- SHA256 2fe702d0244d0d1742a5041333144b61a78809afb44748ccb62004e946e16bcd
- MD5 d404ec61e65823659b8afb661ec42f65
- SHA1 fc4f4ce8a2d6bd34ceff717820625efa6481deee
- SHA512 84a6cbc8c6741cdfb74d6d3b8d7325d64108ff8065688e0ae93e0a0c73d93030a4971f16543eddb99244a945a8fc1cbcf04e2512b4be936d407da42fd6a00f67
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTvUjD5WoAXjiU4bz:WfBQGH6Sf7UjD5WoAX+U4
- TLSH T1CA7402453E53C4F3E441093088A78BE14B7F7C13BAD1E21BFB993B0B9EB13845A66665
- MD5 SHA1 SHA512 SSDEEP TLSH