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
14/10/2026, 09:14
Behavioral task
behavioral1
Sample
2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe
- Size 652KB
- Sample261014-k7cf1sfd64
- SHA256 c47b5269e904c8eeb623a594ed89b720926638b882739ca1dc53d65a7cd241dc
- MD5 ec4b66a139e8ee2634d3a42fe0c5989e
- SHA1 2f6a9924d8bada81e89aa5ec93746793a050fc4c
- SHA512 f111bfdf7c370c2d3150eb6a975fa6e08281fba943cf7cd5df92718e74219b6f6c4fd14efb8937afd9235e4ce922dd386080ad5403bb212a5d755229a3b2a62e
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTFFPPoAXjiU4bz:2fBQGH6SfLPoAX+U4
- TLSH T1A9E45A053685CF61C01F15B2C8A3C6F4172BBE02ED4197DBB7C9BF1A39F22A96A51193
- 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/0x000300000001b220-3.dat family_cosmu behavioral2/files/0x000400000001bb27-86.dat family_cosmu behavioral2/files/0x000300000001bb29-184.dat family_cosmu behavioral2/files/0x000d00000001c4cf-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) \??\J: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9949.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX998E.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX9B2D.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX996D.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9A92.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9B1B.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX9C7C.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX99E3.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX9C28.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX99C2.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9AFB.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9C06.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX9C8D.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9AA2.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9AC9.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B72.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX99C1.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9AD9.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B60.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9BF3.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX9C16.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9C05.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9BF4.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B94.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX99C0.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B93.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9AB5.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9B1C.tmp 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_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 2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-14_ec4b66a139e8ee2634d3a42fe0c5989e_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4664
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 333KB
- SHA256 14fabd594d247b407cba99073957e1aa7853242ea3f8deb80c1c2f45f999ae4f
- MD5 774cfec7e4550273df12402dc64eea90
- SHA1 b0aa98c93d30379c691488b95107ca1f2364be16
- SHA512 1aa729dad4e7baebc73d873e0b2c50f236f8c017146e3ad36e6232f351787c8ddb53d5f7024d72245ba08043e01c6a35a1bf395e6054ae50eb0b9aff5d705000
- SSDEEP 6144:fFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:QfBQGH6SfboAX+U4
- TLSH T1BF7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B93.tmp
- Size 288KB
- SHA256 9ab4eefc79c8e30458f614fbc32914b483e08ef876120939266bd25616b69f17
- MD5 250fcd8183802950620517f9b1ef7e39
- SHA1 27e0854e47f386f0d6aa38728ae2f0665663c50f
- SHA512 9b87a0e3a8b440b23ec04d39b1df029e7f5f43c13b6573ad2ec184e7ff7da4a2ae5aaeff25def15b77c66a5b8bdfbc098dd20dffba80f9dd09c496d661f7265e
- SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:AfBQGH6Sf3oAX+U4
- TLSH T1B15401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B94.tmp
- Size 288KB
- SHA256 e5c7571ca0a70913608af0d303c4294f686fb667d1a1f5d0dd39832298f9c964
- MD5 f9ef31d696907d6f4e7700bfa0adec34
- SHA1 bf0fc79358af2ffe5f668d301ec25529f306b2d4
- SHA512 c74581f56696154a469eb2678e729094de4c71372a7c4f5b646953b72ee652fa3b51acf6181e07955bb4fc7ace868e47e5338ffb87234a9f5d1b6d28c2a9c93e
- SSDEEP 6144:/FlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:wfBQGH6Sf+oAX+U4
- TLSH T1055401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX9AA2.tmp
- Size 288KB
- SHA256 f72b0b68bdd33247f0574193f6ea79f08632a7f471c1e3bd84f987aaeb8dffdc
- MD5 a230932fbab75a4cf7d8e94265661794
- SHA1 5154aba9952e03e926588be068b430bef8446dfa
- SHA512 c7b12a260fcd8de46241988a6dce1cbd3f1cba42f5ea11199ad49a066f473f80d2f4c52c31205ea87a029c54b6d390be6494045b63068d955b04f92449ae159e
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:0fBQGH6Sf8oAX+U4
- TLSH T1F65401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B341
- MD5 SHA1 SHA512 SSDEEP TLSH