Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/06/2026, 01:56
Behavioral task
behavioral1
Sample
2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260629-ccry8abz2k
- SHA256 4157d8314cd5b43c95074dd41565f71a8a71f5b4fcad019dda61d9b0130f80aa
- MD5 e3f968a00c3190ce69b97eea5bb358dc
- SHA1 6e34491b5303ab6001aebb7c3939c52a87412bf3
- SHA512 5648caea0e185b5be19f0fe3d2bff2ab4eb1fb450e4d0dc42b22c3345ca786e196658913e3bfbef998a6b1ca7d85755e344a08c7de1882eedb1f93d06a376009
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTLoAXjiU4bz1:YfBQGH6SfvoAX+U4F
- TLSH T12B5402457D93C4B3D0414D3188E68BE14B7F6C137AA6E11BFB9D0B4B1EB13884BA6761
- 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/0x000d00000001c50a-7.dat family_cosmu behavioral2/files/0x000d00000001c514-82.dat family_cosmu behavioral2/files/0x0007000000018977-193.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) \??\D: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-537605601-1362463912-856654178-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX96FF.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX987C.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9800.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX97AC.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9801.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX9857.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX962D.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9700.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX977A.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX97BF.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX96EB.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX9869.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9712.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX986A.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX96ED.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9746.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX97CF.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX9847.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX95EA.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX9834.tmp 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_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 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-537605601-1362463912-856654178-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-537605601-1362463912-856654178-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-27_e3f968a00c3190ce69b97eea5bb358dc_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:6056
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 6c27dba22b75d12fccd4a0b9baf52fea0f1bc451ee14916f132acda1a38aee4f
- MD5 8aba21ce434a0b8e028abf5359727f53
- SHA1 94ced2d103afba1ae8d40cc859eb0fa5de82086f
- SHA512 b242e28d5089c85d7e6f536951564a4fd574620217c6ed93f44fa7d29cc92099a4d85de533b146be86c6504137ab64eaa7d81b38a1289dbf404b1a9f1e963f87
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:VfBQGH6SfeoAX+U4
- TLSH T1C874F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX96FF.tmp
- Size 284KB
- SHA256 18c5eb30e8f3ed416c0948257fa93c45e03d4ca3a3f4bd5b2935371d5fdd0a02
- MD5 a18a7bbbfe57e575bfd4cb95472ac74b
- SHA1 6a47e54a34a2c19c9449ddc7588e0217916790e3
- SHA512 bb07490ac6f7ffe5515d71f9d2fd030ef9977332d80020c695952dffd5091d895620d617155565b81f22f056c164a850801b4d47c3e3e16668fc9db9ae091a34
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:pfBQGH6SfdoAX+U4
- TLSH T1FA54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX9813.tmp
- Size 284KB
- SHA256 628d6804acfb90def4fac3281c4d1d49cfe73ad8477687cf93703c4bddf01886
- MD5 6e088843e5c86d8ee5a815442929f340
- SHA1 954a229765c10588baf22b7f900ee5df3088d7dc
- SHA512 87214038abb459385bc12bf00f9ece45e3af49bb1516012394cac790cb788547d6f4bf91edc4aac68fa03e40fd745db3c9c4fa3eb711ae409c385f4e54ddf602
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:1fBQGH6SfwoAX+U4
- TLSH T1725402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH