Analysis
- max time kernel
148s - max time network
120s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/07/2026, 00:10
Behavioral task
behavioral1
Sample
2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260707-af4fbady7s
- SHA256 df95846ca5affa21b96d27ec05dcb400169afcc6a477032210b4d9a8ddfbe378
- MD5 ec168debb2721e8033975b8c2b56a795
- SHA1 9dabd6c8297b88aebc038d09d27b071518145ae0
- SHA512 9fe17ce0cfce68253f52271a07db598748437b8e33911ff1d51f702d6716f2e6cb4efcf76c44c93976b9e85c0ba3709cd1bd5ba67d06fe5c691cec5474b35cd7
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTJoAXjiU4bz:NfBQGH6SfloAX+U4
- TLSH T1585401917DA2D8B3D0419A3148A68FA197376D13AA65D203F7AD0F4B2F713D49B7B302
- 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/0x000600000001b816-7.dat family_cosmu behavioral2/files/0x000d00000001c568-82.dat family_cosmu behavioral2/files/0x000300000001bae0-165.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) \??\D: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-07-06_ec168debb2721e8033975b8c2b56a795_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.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX625F.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6057.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX61D2.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX61D4.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6206.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX62EF.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX61D5.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX6321.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX6357.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX60FF.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX608D.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX608C.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6219.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX624D.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX61D3.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX61BF.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX621A.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX61F6.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX639C.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6047.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX60DE.tmp 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-07-06_ec168debb2721e8033975b8c2b56a795_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 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-06_ec168debb2721e8033975b8c2b56a795_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-06_ec168debb2721e8033975b8c2b56a795_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:4892
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 6d29107229b6790e0d6acdba40c744780fd167d2fcd451e0c61ba0b75f2eded9
- MD5 86ae9bb4adc25fab03855a0c222a747a
- SHA1 d5c0f2c51857e471827658e5e5cae5a2fba91b76
- SHA512 24fee5d130fb1e1434a1089b1d30c9a0fd4ee5e50ace8b42cd5e6169eb1f33b4f7ef29054436805f7c199b12e8ec09655b6caf3b6b50c22c2e71cbac1a5c379b
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:ofBQGH6SfboAX+U4
- TLSH T1626401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 398c32149feb2dad983915ab0b7290447f2f329ecce2559e334b8fc3d9451ae1
- MD5 d300e11084fc22639a7553c985b9c430
- SHA1 f97c452516e30fbdb92bf01483fcf01e6cc0ab04
- SHA512 1133835a3c0b89ffe68b74b757799bcd9415a7cf788917da385c61ac83116042fe349cfb22f6e5ec6d60ad5eb6749deda5fb59df981a522cc4f615f2e56d7851
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:4fBQGH6Sf3oAX+U4
- TLSH T11C6501817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX61C1.tmp
- Size 288KB
- SHA256 9b5b0f2c5700e2e5c07ccf5363980be6ce7c74192f623140aebfa7e71cc53fe6
- MD5 074b132859a30af5091d52efd0b2ee1f
- SHA1 ac72da85362cc8943bd9b2316dfb4bc78fdf6edb
- SHA512 330cf36dcd072d2d72242f51c786f8959a542f65a3585d80c6da3c0440e8fca47af0cac9fc1d5433ea5c67ce843e396d4c36a6f0fdb10c029c56959f9f8919fa
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:MfBQGH6SfRoAX+U4
- TLSH T1445401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH