Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 19:25
Behavioral task
behavioral1
Sample
2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260729-x49css1cje
- SHA256 43b414e3cc13984211964bb68ac51894e4b7f3d4652efd30fc4df4fbd924be76
- MD5 d50d28fa17e7b37ba5b783b6a709a4aa
- SHA1 e3f4990dc48a85fa32be814b5c8e6d58ea2b4eaa
- SHA512 eb33e504ad55ff4519aeaeae250e22c58272ca86fcf43130f5ed7b4e7499a9dfa9b4f589ffceab7c6e9d941c36ddec45d0213ca8f6898f910035744dc0608919
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:MfBQGH6SfJoAX+U4
- TLSH T1766501817AA2D8B3C4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
- 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/0x000d00000001c677-6.dat family_cosmu behavioral2/files/0x000500000001bb0d-81.dat family_cosmu behavioral2/files/0x000600000001bb0d-144.dat family_cosmu behavioral2/files/0x0006000000018971-192.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: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXE60D.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXE721.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE454.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE42E.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXE2D5.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE41D.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXE2E8.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE42F.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE441.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXE6DD.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXE32C.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE43F.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXE2E6.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXE309.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXE34D.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE456.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE489.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXE452.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXE36F.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXE55C.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXE33C.tmp 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_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 2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_d50d28fa17e7b37ba5b783b6a709a4aa_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4400
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 337KB
- SHA256 c172988ee1b1af6718b2c104a749e685878b6c0156376e9f0e35fdee7d6078f7
- MD5 9538e197fcfabc66c621b1f7b106b24b
- SHA1 680f836c2b44cbf893d537b35cedd62d021d2d71
- SHA512 31c7d10cafe45d324bf914b6c4af0cbe33a55aa6ed069a2aa848b77fd8a0bd7903c99411e522456d1849d5d5ddd03f09495a48809f86931a32b00442e1c0a7b3
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:7fBQGH6SfboAX+U4
- TLSH T1687401817DA3D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
- Size 1.5MB
- SHA256 f92b62f54a09f959a070936f60e29d2bbea025bbb0889ea1c8eab631ece10edd
- MD5 35b998b261e4db842f3b3b58391efc44
- SHA1 bb5d2501281a02c1c52c8aeaa4ac581c7d3db894
- SHA512 8bae6cf505d271577ba8eb5c50faaf35b92b882f5301714f186ac130850e6dbe0978e1847bfca8d0e3572c187b4465a297f3c8810b92f875303b4da3f33713f7
- SSDEEP 6144:MFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:LfBQGH6SftoAX+U4
- TLSH T17D7501917EA2D8B3C4429A3148A68F6197377D139A65D203B7AD1F4B2F713D09B7B302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXE43F.tmp
- Size 288KB
- SHA256 c5b956ac4a167bb102e0c8a12cd99950c5752079fec8e661bb2be7caf6cadcb4
- MD5 c85caaf18fb39d1ae02122d0fe791948
- SHA1 103ad314c0a1060e03c22562b10e6f4d38c57517
- SHA512 a26cd5c77f84f4b79ccb205c096e396f4c84af12ee213689beac9581c0d8483ffeb470b316d5a7d6d39f23fe8865af646491609cba05a6d6ef336f8f3d1ddef1
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:PfBQGH6SfRoAX+U4
- TLSH T1C25401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXE63E.tmp
- Size 288KB
- SHA256 807caba8e2012d3d2283241f8d3094a27dbc6ad4f704f6be5ddb5b3c6db46b2f
- MD5 fc99c24d8976e4abd8f9163e00031082
- SHA1 8c68882fd42e3b9e50c53136d4e630cda4a6ac85
- SHA512 b636809613dfbd497f239ab37bece4ad1399deaca21904e204a691ca0d1f57c5504d3c28f508f8716822c8cd607ca3abe1ce47f7f26ddb036b6372ea2a97a4bc
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:TfBQGH6SfooAX+U4
- TLSH T15F5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH