Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/10/2026, 02:08
Behavioral task
behavioral1
Sample
2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample261031-ckn8ast15n
- SHA256 81d230180f5b4ae4c2282edcff20ba52838234f12bf978c87fb6ce40db240f76
- MD5 64e383d98c9c5239811c0ecd926cc48d
- SHA1 ae7a00aa9b123c5f86ac283d12d4bf487b9295bd
- SHA512 5a2782997735d05201966cee4c283305d11e74066d4e2486b03fd5ddfe24c330baa953a8634dd9cb198246f1ffdadf70d1def63f7f9087061a96ed735d407768
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:7fBQGH6SfboAX+U4
- TLSH T1FC5401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x001200000001c545-4.dat family_cosmu behavioral2/files/0x000400000001bb36-87.dat family_cosmu behavioral2/files/0x000a00000001bb24-185.dat family_cosmu behavioral2/files/0x000e00000001c552-189.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) \??\G: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2267.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX20FC.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX23DF.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX23F1.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX227A.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2266.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX23DD.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX23DE.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX23A9.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX210E.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX2120.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX22AF.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX22BF.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX22C0.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2326.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX20EC.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX2175.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2244.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2305.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX2401.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX210D.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX2131.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2255.tmp 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_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 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-30_64e383d98c9c5239811c0ecd926cc48d_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-30_64e383d98c9c5239811c0ecd926cc48d_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:1656
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 328KB
- SHA256 d0c8cf2c55e32b7e8cc1b84bbc03b88c2c190b3bbf1cae28a1bed222d795c9bc
- MD5 3217685cd2cbedf65364018c3dfab7bf
- SHA1 ec692f3c3e16b485005d972986415982f376993e
- SHA512 6602cddad5323d5be2bef8137d438eed90ed0be4210bfe832d41ed54cdca6f1e725792b95cd3a82b943f680a85076def6779ecffc4a762ed630337f3994086bc
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:7fBQGH6SfboAX+U4
- TLSH T1336401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2327.tmp
- Size 288KB
- SHA256 350b12ecc595165dfac52b22c6bc444108ffc45be01a21c69a7ec0bf0d285a5f
- MD5 9b5a692478156fd31744feff1d1a03d1
- SHA1 b073452669369ed7870383608f8e6ae1af0106c8
- SHA512 a039577bca823430e734d7277885e9cbf8baaf3ffa4553ff289c692a179eb74f153e377ff333cdf1e812bd63017a5f674932bce8149e91ed247c0efbe4bf55d7
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:TfBQGH6Sf3oAX+U4
- TLSH T1005401817DA2D8B3C4414A318CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2338.tmp
- Size 288KB
- SHA256 b87f56aaec6afe34c711735cd951b3912aec734be5b17d7ea50214630c286b45
- MD5 d48aac635f61d0ecd145233e3e99c231
- SHA1 8ad817a09c470194f753bf5be2d4bda2911b9308
- SHA512 e5170fef050092dd72b3d01a3cf508034c4fdea8ae02ee69a438fac3e7227993389f9610963fc7140acd518c0fd36c0af6585c5ef91750ad89c859626d9e1477
- SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:bfBQGH6Sf+oAX+U4
- TLSH T18A5401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX2256.tmp
- Size 288KB
- SHA256 b6ba9c6ad3f6524fd747ce616eb655b8db28d66962272dc79bfc6a364fe40d4e
- MD5 c7ad6fe0a3951002292f9c493cfd01be
- SHA1 771d5c0e98b49e4b9a6c607cd4c8d0ffed6e9d32
- SHA512 0c0b084f724bb10b7c82d4da13967587a30e691c50be6e7573334283dd8e32ded612805acd51f709602ad78693d80dbceca242b01bb298d1d81af979b18544d5
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:PfBQGH6Sf8oAX+U4
- TLSH T11C5401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH