Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/08/2026, 19:39
Behavioral task
behavioral1
Sample
2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260814-ydgersgp2v
- SHA256 68118d6add415a7685bc2874734b3fbab6d7b9960e02e854737596cc60065046
- MD5 337b5c804241e770467442bce0b1d8e2
- SHA1 e276c09bf0ec02e2f0ac5730055163e872016607
- SHA512 af79b01ffb05192c87d40c717d652b85ddd40f05fc4e7f18944896c794c1351c2164464518060ad82d8485531047f923bfc8274d214ac6313b2b15d45e730832
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzN:ZfBQGH6SfRoAX+U49
- TLSH T13A5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- 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/0x000e00000001c529-6.dat family_cosmu behavioral2/files/0x000d00000001c536-81.dat family_cosmu behavioral2/files/0x000700000001898a-192.dat family_cosmu behavioral2/files/0x000800000001898a-205.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) \??\O: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD9C.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX9D3.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB5D.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX95F.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB7E.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXE51.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAF2.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB16.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB4A.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC99.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD3C.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX93E.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXA15.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXE62.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX9B1.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX9F4.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB4C.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB17.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB8F.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXE83.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAF3.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB05.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB6E.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCAA.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCDB.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXE84.tmp 2026-08-14_337b5c804241e770467442bce0b1d8e2_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 2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_337b5c804241e770467442bce0b1d8e2_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 328KB
- SHA256 566f5675e53fcc4db13a39ec5bbccce325d69614e1a839f37bf7215aa74ca6dc
- MD5 b1845738b17423a2e0393bddd7bf3439
- SHA1 21047693a0a24c73fdcb22bdd7675d791a65e5ce
- SHA512 a70a46ac17d19f359040251400a3c0ae7354329b8f4855bee9c922307d170170c4e6269519ad68ed5a56e8550b12b0ec92b01f5a392a5ebadbba7f042a73b1d7
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:+fBQGH6SfeoAX+U4
- TLSH T12864F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXB06.tmp
- Size 284KB
- SHA256 e819ef9e0b71553d1e5ce431a34ed7afd20f2731f6b4b94ee51b8a26d5f60d27
- MD5 b618d9e09c2f3c8deb289f3b9ff43e97
- SHA1 f5186e4cd3ee94fb8b56142fe95f4c690380dd6e
- SHA512 de2644e738442e15598c8ddc2bb9638bd4f1029daf3628bc6f99cfe0cb24332dc7300e4e606ec0a10456ff9595c4865d71cfbf4f5a14f6135b930e818b162593
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:SfBQGH6SfdoAX+U4
- TLSH T15754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXDEF.tmp
- Size 284KB
- SHA256 7cd235b8a525b212eeb7c89fc7749ac2f64da884c9cadc59e7372252c49d3448
- MD5 a13f8e2da19742e895de1e72fb1c2592
- SHA1 a425a6f55254f28bbae5deda255c5b4e47892ef6
- SHA512 a0e694bbcbe0ed497173470cc4292ba2356aa7a1fa1d49fc7a2fde1324914f67b028c5a3f2e73a97fd3b037cc905dcde8bcfe92091ad17959b03b64ca8b8a714
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:WfBQGH6SfwoAX+U4
- TLSH T1F45402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
- Size 284KB
- SHA256 1507cf854b9e4c5cb84919779fb87677c38175d3389df43512960758a9f11e92
- MD5 22a570ef1c5745c42620f5f89e780280
- SHA1 cf6b756cc529d221bc02d1e350f7b10940b16e4c
- SHA512 d93f77301c1104c81aa424968e0d12fb660f0481f187ae70023a52ab39caf672ccca4a3c2d181b1970e0e6d99730f0ee43682ff3e384a41d271d112e7ce309e9
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTloAXjiU4bzd:WfBQGH6Sf5oAX+U4t
- TLSH T1E25402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH