Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 06:39
Behavioral task
behavioral1
Sample
2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe
- Size 1.4MB
- Sample260804-heygnsee68
- SHA256 5caa6428f84ae435eaaa8fd2fd1ef1fafbec37ea2864cdbc0bef75e944df547a
- MD5 7da7b2ef4c73bf7712992720bee54738
- SHA1 3d6b4aac625d9ad9d7e936a1e6a0777f7b405191
- SHA512 21e7e358bbbdacde4e8582933807d2766ab870946c4069bb9a1071bb23e3030f64de914add32eb2f982055dc81d17ec86479839fedaf33e3df909aef64957486
- SSDEEP 24576:jfa86Sf7kQ5W9GIpThCTZ0og6f5MLb+VONw/haSqnFGUMhglHZaaw+Xal:jfayQL9fpTgTZ0og6fWLb+VOa/hunKh3
- TLSH T16465DFC2F602D0A5DC1645308C27DFF81B16BE22AD1116177BD8BF5FAEB3382592259B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 3 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c535-6.dat family_cosmu behavioral2/files/0x000400000001bb54-81.dat family_cosmu behavioral2/files/0x00050000000188cd-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) \??\L: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_7da7b2ef4c73bf7712992720bee54738_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\7zFM.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX5076.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX519B.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX519C.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX51BE.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX52CB.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX5012.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX51BF.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5164.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX52FB.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5154.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX534F.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5153.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX5213.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX5296.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX518B.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4FE0.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5142.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5165.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5177.tmp 2026-08-04_7da7b2ef4c73bf7712992720bee54738_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 2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_7da7b2ef4c73bf7712992720bee54738_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 325KB
- SHA256 a1863ddb7eec351b54db5afccb4aaae626c8f794a36f698bf12b3f66ead34f35
- MD5 12228d27bc8cfa6fa3cc09515fad3e68
- SHA1 011156e4adcbb44ede54b1f7eab0475e8c899bdf
- SHA512 c653f605d2bab88253bd87bf2e79ce6c18db65fc81d7dc97b6191ea388b78f0aa61548046ed1ffd0538047319747bed764401a02338543ec4575eb835ca6160e
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:+fBQGH6SfboAX+U4
- TLSH T1116401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX5165.tmp
- Size 288KB
- SHA256 dbb6f0a2a603c45ba0bd3976cfa0ea4f62c57fe881c0776453d6640103968393
- MD5 c88b877b4049ddbdb07680340876f827
- SHA1 ebf6682694ba779b44be831d468deb15d1654c20
- SHA512 8e12cdc899b8ff21b6a38692c7c9649a3e40e948e46e0f556a7a9d4ba977055d9a6a4ea605217ba51c22d0c1712a3f0a7035e26b3939715677f2ec6eee676fa8
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:KfBQGH6SfRoAX+U4
- TLSH T1B45401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX52A8.tmp
- Size 288KB
- SHA256 bd046e526c95eb6a68e58b4421a6954ba5854cc351d0b2c4daa7b8da2db31add
- MD5 20a464752a6c0d2de9fd11e06ca0d83b
- SHA1 a89f86d6a5c7d171fc4503cb2c626d6387117be4
- SHA512 7af4fe4af819a41b3ab999165437099001aa88f8b7198d32b7f7e641de1e4b6491bc11534aa130f7c8d84361ffedd4a391862bc69d28661eb80897d5dd50d602
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:OfBQGH6SfooAX+U4
- TLSH T1355401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH