Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 02:23
Behavioral task
behavioral1
Sample
2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe
- Size 296KB
- Sample260720-cvkymacv6m
- SHA256 37f0a5bdcb0525365be93697bcd8e996fe8dbf60fcb81c575a3231d55a7a018f
- MD5 f2c5fcec6dbbc16f01ab3956e9cb0b43
- SHA1 06767954c1746e734408f5bcda19b35b627c71a2
- SHA512 bace93b39b8a17fb9d8371984c411402f69a68da1d0b111e761b702630d8469e313a3b4a6817b5d403b7ed1f338645bc8b7062fa6214469fc27ff30dc1f1df51
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTVwloAXjiU4bz:qfBQGH6Sf+loAX+U4
- TLSH T1EA54E0403A9ECBB2D3C249318C6EFAE1477A7C2FAB559137F7983B0F1E712845666201
- 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/0x000c00000001c52e-7.dat family_cosmu behavioral2/files/0x000d00000001c536-82.dat family_cosmu behavioral2/files/0x0005000000018959-193.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) \??\H: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_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\chrome_proxy.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7F98.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7F10.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7FD9.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7BF2.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7EC9.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7EA8.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_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_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E80.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7BDD.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7C03.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7F0F.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7F86.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E83.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7EA9.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX7C55.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E82.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7ECA.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_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_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7BF1.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX7C35.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E6E.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E6F.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_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_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7F63.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E97.tmp 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\WallPapers.jpg 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe File created C:\windows\readme.1xt 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_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_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_f2c5fcec6dbbc16f01ab3956e9cb0b43_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:4916
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 2efb59cd57f546b20ba0d16d7c53fec42644fce2face3f02a9e969a9a5cb65c2
- MD5 e01833cf4541b25dd14645064df3b0fe
- SHA1 c824a943569d2e8dca69eb046068b2bef53ae8fc
- SHA512 e8fc5a4e8d910f0bb08321f3b51ff87bca5d9e22ac5be102f009a627f1b9921072cd20d3f470382019d4e0450b204d659989e46b350c0176e1a35ade18445160
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:qfBQGH6SfeoAX+U4
- TLSH T1DD74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX7E80.tmp
- Size 284KB
- SHA256 e01ba81ace471ea2b6008c97f6800375c0d54db382e041ea34c12d6c9ca1d969
- MD5 facd20c295702a9de439663900b1accf
- SHA1 41feed42134521865fe6bedcd3b4d17767fefc8b
- SHA512 6c27d48eba9172f43765899c70f9c89af285ffb63daded945b6d6cb748e5556add4f4358bc265196a1ff8a3d3a1c56c739f6e3de0fca013d7de659464f97b138
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:OfBQGH6SfdoAX+U4
- TLSH T13F54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX7F75.tmp
- Size 284KB
- SHA256 99940dfdab61cbe077d459d4b8c4b724e28e399a3c97c5834d190d4d53ae692f
- MD5 f57ec076da529eb48e9e3821042b040e
- SHA1 ff44baa64cb7da17216a054a2313c50db9ec3277
- SHA512 4e18260cd38ba005e16236507f487b116d42e1cd582e6b9192392551e7c94826b73b65a7af6d1ba8079d87e54d1c85efda6e211d5b981b3d30914b0f206073ae
- SSDEEP 6144:FFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:CfBQGH6SfwoAX+U4
- TLSH T1915402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH