Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/09/2026, 22:25
Behavioral task
behavioral1
Sample
2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260923-2ca35sef93
- SHA256 e3a52890b9a52fa16a0274175849f55965d8d56736fe7fbd7560aa08305f39b3
- MD5 83a98293ca29e671637c955c9a65d591
- SHA1 7df9d11d3f858d4e8c46c6fae575ec1f3a11d741
- SHA512 c633205df58f3e0a9268e5062c78277588deda7ab68761dc04706f45c79524c7c9689df90ce645d8b34bd79e89949efb054b9a0526d2ec0cc79d1ea7719a4674
- SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bzN:XfBQGH6SfQoAX+U49
- TLSH T10F5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BA6361
- 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/0x000d00000001c509-7.dat family_cosmu behavioral2/files/0x000d00000001c513-82.dat family_cosmu behavioral2/files/0x0007000000018963-193.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) \??\K: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\7zFM.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXC491.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC722.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC883.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC6DE.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXC7EA.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC3E7.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC6A8.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXC7FB.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXC84F.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC6A7.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXC43C.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXC44D.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC6B9.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXC872.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXC44E.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXC46F.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC734.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC775.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXC7BA.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC895.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXC787.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXC82E.tmp 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-09-23_83a98293ca29e671637c955c9a65d591_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 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-23_83a98293ca29e671637c955c9a65d591_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-23_83a98293ca29e671637c955c9a65d591_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:5484
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 05cd5be5f84b0dc5d6b670bb39ce436ab8b2df9897d1436ace94a781673149e3
- MD5 9a19689d691fd94033262e630d715ec2
- SHA1 c65ec00f2028f93d466ffe1cea8ab398d3fcc649
- SHA512 4c8d0ebff275996ba0cd1b329924791ef077e7339be3dff66905af6fbb11d53a8b3e64406a9953a52b7d14db84bde50b72cfc27678a25fcb488f4db8c91a9e33
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:ofBQGH6SfeoAX+U4
- TLSH T12464F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXC6B9.tmp
- Size 284KB
- SHA256 d5f11a7268f50bbadc2825515b2ef59ef20faffca40908be22559803af4aae30
- MD5 ee68bcb26b050c2d65b9d70aa18dd458
- SHA1 e211329c27ca5bc3330f7d879009898cbfd97f8f
- SHA512 3aa7b08875f7d2c4f0b42272ba0576c5c814399e7910ae1b8892931668a496c91aaed89f352d0035d1a7b1337f5959331f9e1e53f1e061bdb49f396418433f09
- SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:8fBQGH6SfdoAX+U4
- TLSH T1B354F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXC80C.tmp
- Size 284KB
- SHA256 8ed95867bfe2cf36c308edbddfb07a9e3e09c30f42cb85dd43c9ca11952d367a
- MD5 6fed2016872422e25e844ba44c83e688
- SHA1 45e1c67ccb3a93205ce4872717b093f8ffcea710
- SHA512 0e59ed7b24b07e962c046816e57f61a6d14042ae601ef00a676d9522cebbd31195b63ac928df5b468508771ff445a884a5ca6334184e2dd4a704935de62b91e3
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:YfBQGH6SfwoAX+U4
- TLSH T1C25402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH