Analysis
- max time kernel
150s - 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
12/10/2026, 19:53
Behavioral task
behavioral1
Sample
2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe
- Size 344KB
- Sample261012-ymf6csas8j
- SHA256 5475cbaa6f68c04c9cb6b89d2701d284a4d4582387c69b8a22a74cf2a9829667
- MD5 65391eb983969b8865b92aa93a2df698
- SHA1 265f9c0ac30cfbf3f596ef6e26bb42211dcb4b06
- SHA512 ec6b12d7396b60813aacdc7fdd3cb7e05b402b742a11e504fbd74f9d03ab4b3730f450bf59f77bba13069f12f91f6bc0e25c3c7f6da38f8092c298432430b0f9
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTNw/oAXjiU4bz:kfBQGH6SfG/oAX+U4
- TLSH T13374D0003A9ECBB2D3C249318CAEFAE1477A7C2FAB559137F7983B0F1E712845656251
- 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/0x000e00000001c5c1-3.dat family_cosmu behavioral2/files/0x000400000001bb65-86.dat family_cosmu behavioral2/files/0x000900000001bb53-184.dat family_cosmu behavioral2/files/0x000e00000001c5d0-188.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: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC57.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCCA.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXD52.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC0E.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXDB5.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9EA.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXA7F.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC68.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXDC6.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9E9.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXADE.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC89.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD1F.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXD82.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCED.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBEE.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXA5D.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXA7E.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9FB.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9FC.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC0F.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC45.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXDA3.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXDD8.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXDE9.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC69.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC99.tmp 2026-10-11_65391eb983969b8865b92aa93a2df698_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 2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-11_65391eb983969b8865b92aa93a2df698_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:6092
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 335KB
- SHA256 3c709648a852013ed92dd9968355ba3dc0d4bd014df7133942362e369c5b9af6
- MD5 d07ea840b6b1b92c75e544b44676f3a2
- SHA1 e22c3beaf707c821f7b735237b560b545f2c6df9
- SHA512 90d717a1918969410e914f8cf83c7573b79749fb8e8e000efa3e5999fdeb2b5f9c2fd23387f05ca3adcb00555a5ca0202b738e12db33d85ec2164a321b70c47e
- SSDEEP 6144:6FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:dfBQGH6SfboAX+U4
- TLSH T17F7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD0F.tmp
- Size 288KB
- SHA256 ca278b74e7a67969d0b568b06515d988d4d5269a4f66aa6aaed4b4bd8bfa8fe9
- MD5 0da49effb272f059e9aca6d31f67f499
- SHA1 d07ea8abb1ffbcb23bafd19d32823890e0e07e75
- SHA512 d2c3862e662ce0dfb415166e00d512581b2b850f1d068e4002111fd6b71a328c3b88e46830c321ee76318d7f0311030154c81c1b84b756eef97d8fed818f126a
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:FfBQGH6Sf3oAX+U4
- TLSH T1445401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD1F.tmp
- Size 288KB
- SHA256 a8d36231fe2e98f646dfa7149e23a11945483ccf25ffeb015d066963addee215
- MD5 54b753c9c136629e7471deed508dfd8a
- SHA1 5a698e91cdf568670d55f972c712a2c3689b7dcd
- SHA512 023a97ace3476ca0e3ab8e7cce6d522de41e243b9ccedb04b5dc8118e8baa40ca20a08720262a2ddf7189497757020e61e4e80c17201bffbc1914ca2a9d5b1e8
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:lfBQGH6Sf+oAX+U4
- TLSH T1925401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXC0E.tmp
- Size 288KB
- SHA256 ea209b3d614170203b671af82c0a6fc264a7a0732ebcb52bdad5b9bc4a95561b
- MD5 433a6854db1d481a65e989d8a30c0c89
- SHA1 ab558b4ae1e9b01c41e36f6ff647748d16fb49b6
- SHA512 18acef697c2b5a90f0d80cd7683b297ef2722efa67c52db9bf490d0cd6566ce58cb016a85bf67931341ad403ed00f78bbd94ea73c9b5cf9228a76d1e835fc859
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:pfBQGH6Sf8oAX+U4
- TLSH T1035401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH