Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/10/2026, 23:12
Behavioral task
behavioral1
Sample
2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
General
- Target 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample261022-267zzaaw9p
- SHA256 0c17ceba6fb0b2d50068f1312f299b0e1a0a0aa50e71f11dfcf3bb99f7a84aa5
- MD5 67d60d99155c5f270cfd2ffeca6944d0
- SHA1 3185cdbc0381a3fae2f5a4150bb085db664ecb25
- SHA512 87e9b1f58cc2cdbbeb1d632b5824e96b1cd0cb9893d43b13e19711659a43de35644dfc94320bfe063d195cc9ee8352d2ab47ef93243d8c935cb1d0b0f341bd83
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqT6oAXjiU4bzF:mfBQGH6SfOoAX+U41
- TLSH T13E5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
- 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/0x000400000001b6dc-4.dat family_cosmu behavioral2/files/0x000d00000001c501-87.dat family_cosmu behavioral2/files/0x000600000001bb56-185.dat family_cosmu behavioral2/files/0x000600000001bb69-189.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) \??\D: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE8E.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXDEAF.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXDC57.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE49.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDE06.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE27.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXDC9C.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDC0.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE16.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDE38.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXDEC0.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXDC69.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXDF05.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXDBE5.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDAC.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE5A.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE7D.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXDC58.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXDBF7.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDAB.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXDF06.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDBF.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDDE0.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE6B.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXDEE4.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXDD0B.tmp 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_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 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-21_67d60d99155c5f270cfd2ffeca6944d0_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:3348
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 f056f99bb7aed99b3f97f387a152292c4630804b539c8aa309ac74b6a0ab3b79
- MD5 b0ad1b7f9b71c50697c5ad8315b7d121
- SHA1 0f1cf079c00c0c1eae26d8ba0a7e7443fa14805a
- SHA512 b46e8ea458570a67f4dd3c06348a529b8963f0671e59f994aa2cab02af1a1f67e587584b134f66c986570a88956254608733653376e20e586c434ff867d99480
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:FfBQGH6SfeoAX+U4
- TLSH T1CA64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE7D.tmp
- Size 284KB
- SHA256 09b6e6572f1580a71dec2fd5d3e30a2c05a3d706cf32a9050061f955c8178fa4
- MD5 c32c114e9a6c55efa88dd3c0e148081d
- SHA1 749622c3d5de4350b4c534f96387eb16efd3281a
- SHA512 3e194d76e5ab391fc5b414c157b30e9247c4255b605615939d1a1bceba5b5ac407ac149844d388334c2c9eb5a019c5b2e45741d7ff92ebc5de3aaa186dc8255d
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:lfBQGH6SfzoAX+U4
- TLSH T1415402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDE8E.tmp
- Size 284KB
- SHA256 3d1bd60228190d8507bda18fec348811712a1dd59f80b964ea20775ad359a481
- MD5 603ab56ffd9bae6693319c4fc43c2bde
- SHA1 b4c645673fdfcd96cab247d20a43af6b7a1e55e4
- SHA512 0fce08653d90c055b06129fc26da56c15ab5a4fc39fd57d65b39034525d7118c0b378f264b5dffcb103a5b763abaa876edad0ca8a5843ffd7bc333a6cfd69a81
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:9fBQGH6Sf9oAX+U4
- TLSH T1525402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXDDAB.tmp
- Size 284KB
- SHA256 592c9174b73c59d7a0ec4559685cc53ff6fe366b09796b2e7e25bd7d5100edb2
- MD5 ef21d9149e414928501056ed76f5ffb0
- SHA1 b5267ffb534771150c574efdb713ff1e7b7140f8
- SHA512 81fe040cfeb4fed6ca5ba7c5d30d586636e309adb6a072cfbe914c583db7d792927a15e69f59ba53f18ec5a8d88bc417467526364f171a9aad6e58ce7e97dec5
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:ZfBQGH6Sf0oAX+U4
- TLSH T12754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH