Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/08/2026, 02:44
Behavioral task
behavioral1
Sample
2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260821-c8fk3a1eqd
- SHA256 36d99754e56a3cabcc1e4199901fcc8090f48885e49330458356e1fec8e8d711
- MD5 9219bb30b04592bcd33ff29b71f1c0b7
- SHA1 b8b474c544d8019d37a87cf656ec745784786818
- SHA512 d2cac4834af45f4e1f6b05d9679dd0e959f77ee6789c0ee3db46188111fdf297abc3ea8bcf896aa3c9f34827a1606208ee57f3db13dacf1b3c417ebbf2fbcaeb
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:PfBQGH6SfioAX+U4
- TLSH T1E36502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
- 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/0x000c00000001c64a-7.dat family_cosmu behavioral2/files/0x000c00000001c653-82.dat family_cosmu behavioral2/files/0x000500000001bb24-165.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) \??\L: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_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" 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXDB5B.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE22.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE35.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXDB17.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDD85.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXDECD.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXDB8B.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDAB.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDBB.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE79.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXDBAF.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXDEAA.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXDEF1.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXDB04.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE78.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE67.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDDF.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDE01.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE34.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXDB6B.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXDB05.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXDB8D.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDE0.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXDEBC.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXDB39.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDAA.tmp 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_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 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_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 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_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" 2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_9219bb30b04592bcd33ff29b71f1c0b7_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:3632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 18422ba0027181234664f45f5fd43ceb30e0e9eb5b6f18eab21aac27822d210f
- MD5 ac2a8830e2893cb85b6308ac136880e9
- SHA1 e59b7cc7be14815ccdcb12f795bb52e5a927fcde
- SHA512 9ccb0ef47394cc6751f9b9971d28be418aca17d7e7f5d9bd0fd560b691eb53f267a30e1aa9c437a5c2fb679ae3c4992d637d56b71c175f6e91a8cd255dc25f62
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:9fBQGH6SfeoAX+U4
- TLSH T13B64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 9ea4a43e7e6b0403cbd4476785637d519ab1351c704f5b9ea62106f6c0992fba
- MD5 f2d3e3b266cc28f85292ffc9cd6fd43f
- SHA1 928bdcfe2210c21bddaeb8f114b111ca6a6f9bd6
- SHA512 bf4f859f2ece87f4c7ad54f027aac1111d6a269ce424d57f25741c9561efa6d4fdb057df3fcfda8d143dc7f3d9c6da192ad00336f7852aa0e7987318bb26043e
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:9fBQGH6SfzoAX+U4
- TLSH T1A865F2457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXDD98.tmp
- Size 284KB
- SHA256 0eee0485ed65c713e458d855a81d9a6f54f85e3fdda4e1715a50c52cb52a958f
- MD5 cd63c5991a1b57c0e4f33019b0c373d6
- SHA1 7d8cb55ac268f8a0eaa34acd29a625ceb5b63740
- SHA512 6fd20c3b773fe09586324a439417ca2ca1b13d6de3b82345fb8834a96be0008f96db2fb8c8a9515105d973d683326c1ba1f0b7ce99547e220fc6b992f2d824fc
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:xfBQGH6SfdoAX+U4
- TLSH T13F54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH