Analysis
- max time kernel
148s - max time network
112s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/10/2026, 17:11
Behavioral task
behavioral1
Sample
2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe
- Size 345KB
- Sample261026-vqnstsft41
- SHA256 238ca8c5f929c8171a9ba06a21c689ef1aa2cba2379bc51a81347ecb2f0b4c13
- MD5 a62f31f7f5af44706187474728da56b6
- SHA1 bff7d88b647091ef9e1223d08cc4112c81afaead
- SHA512 79ac43a238f5d0079dd49ce520c18a05c993dc5512d42d6fc4cab7bdae8fdf653dd595232867242e548533af9312343f69f2b8b116e1af4dae609034622e9875
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTNw/oAXjiU4bz:WfBQGH6SfG/oAX+U4
- TLSH T1A674D0003A9ECBB2D3C249318CAEFAE1477A7C2FAB559137F7983B0F1E712845656251
- 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/0x000d00000001c600-3.dat family_cosmu behavioral2/files/0x000c00000001c60b-86.dat family_cosmu behavioral2/files/0x000c00000001c610-176.dat family_cosmu behavioral2/files/0x000300000001bb41-185.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) \??\H: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF00B.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF031.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXF064.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXEED0.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXEFD6.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXF087.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXEF04.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXF127.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXF1B0.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXEEAC.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXEFFA.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXF106.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXF1C1.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXEECF.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXEEF2.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXEFE8.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXF044.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXF17B.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXEFE9.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXF043.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXF076.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXEFD5.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXEEE1.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXF159.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXEEBD.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF00C.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXF17C.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXF1C2.tmp 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-25_a62f31f7f5af44706187474728da56b6_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 2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_a62f31f7f5af44706187474728da56b6_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 339KB
- SHA256 b0d79b44b89259bb32634680fd1913ee101a9e568c483f74f66a0246256adb2a
- MD5 6286364ec0d8fc617d98bd191feb0a51
- SHA1 47b2d7320b608692b5ab9768a31da16b3ef21caa
- SHA512 24d74b5530d3acf64605b2d470cbee90c1599bdc471b49a6f34ff47b665c1c31783c45c9156cb9848bcec89a4a9ff2b063e1557c6f4074bbd8bf9c7e4f7c0882
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:0fBQGH6SfboAX+U4
- TLSH T1D97401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXF106.tmp
- Size 288KB
- SHA256 a52ac644411515deda58981af5c5fcfe882ba702014f6d764e3649a9c8477e7e
- MD5 815baccf890e868a5f3db420840f0ae0
- SHA1 ce2a97e4959789e927e54f1b4383c1fafd7ea5af
- SHA512 8224354732c5b4884704cd9ecf87ddbf2060683fabb4a8793b89a4e26fd62da20aa63563b338f9ad6fbf8410864bb3e79572e5aecd13040f4957fd476cf8b864
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:kfBQGH6Sf3oAX+U4
- TLSH T1585401817DA2D8B3C4414A328CA78FA197376D13AA65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 d75cda35a6600f5e27956bca947b77f229b2f5b438469a96803db0adbbffd101
- MD5 fd00c2afdfe4de88030cc5f3ab07f90e
- SHA1 fef463a59977f4b4bf787ad0e95b1c2bebfdc10f
- SHA512 546d6138761cdb9277e9638d4c0b22c2422727ec2ce125928b6afefff679d1278162af0ec4b743f780e0b297b81a9f21bd9ea4d20aa0ae80b36e23b9ed38dac6
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:kfBQGH6Sf+oAX+U4
- TLSH T1DA7501917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXEFD7.tmp
- Size 288KB
- SHA256 11dbfb77b3ee8010129ce4c4945a60feb1eb59973cc9068eb5f5224b62395c01
- MD5 044638ba1d933e0b5fd93461854aa03d
- SHA1 096400bc1ed35d5845006d14de7f960822a9451e
- SHA512 46572dee6fcc1b405650db91b980ca97a61ab55a656bc8f2a146a813e361c7cd7d2c6b15c09ca76a110afd4c4c46014aadfcc521b837fcdbd029c7c6482a9454
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:IfBQGH6Sf8oAX+U4
- TLSH T1085401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH