Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 01:09
Behavioral task
behavioral1
Sample
2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260729-bh331a1eja
- SHA256 41e299e2c9332b2b7dac767377a42ca9e7e56ec1f85585384bf42ec386ab081f
- MD5 5d73570c28e53c4dd86deefac76ea23a
- SHA1 c458ec8583ed6479ef10afe27afcafe51f211e68
- SHA512 e33061778058d729bf37ee2f03133a3bdf5e38229e6a97e5a8f76246b50d90be8a160f80f6f2045b146d1637d22769fcb33298c15371bf89ad6c5a559130692d
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:SfBQGH6SfeoAX+U4
- TLSH T16D54F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- 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/0x000d00000001c533-7.dat family_cosmu behavioral2/files/0x000d00000001c53c-82.dat family_cosmu behavioral2/files/0x0005000000018985-193.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) \??\I: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_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\RCX635.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6AE.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX551.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX573.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX79B.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7AB.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4DD.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX69D.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4B9.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX668.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX67A.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4CB.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX612.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX953.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6AF.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX6E2.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6BF.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX704.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX755.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX51E.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX50D.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6C0.tmp 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_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 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_5d73570c28e53c4dd86deefac76ea23a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:4248
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 035a9d08c7155405da34fc2a42198757e7f80bdeb4be2fa324af3d30d0f0e9fc
- MD5 493ddc2f64ada2c2723efe63de30f4e8
- SHA1 1be102567d2fadb6372de55293895e335b3d1885
- SHA512 0aaab4c256165e6d96d79fca69df6364d0c6ea49667d1ae881614fb5ed4acf06c97f80e40aeff29874e0859dd7befb46e49a90a2d57c740d13bd24254b7c30ce
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:SfBQGH6SfeoAX+U4
- TLSH T1C774F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX624.tmp
- Size 284KB
- SHA256 38b82aabb26ca7f943bcd9e7bafdef238eeade27b53b05075298af33eb3cf6ec
- MD5 d1029ce0905f95d53e8c5911709cd02e
- SHA1 5b14c133115429897d0c5f1e87d420d1fda128ac
- SHA512 266daddb4ffb2ec4f86c7a6b9ad87e078031996312efbbca11e6aa4d1a014d1cee125e61e2cf855a193603bb518f35d436b51d62874423f455b701b4936c9ef5
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:WfBQGH6SfdoAX+U4
- TLSH T1F754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX767.tmp
- Size 284KB
- SHA256 f129030167332271a47a50c49868fcd1072051371d023161d88ba80af3eefdf4
- MD5 943eb0c2da4fe661f341e100edf1afa4
- SHA1 8cd0c2ac6b4c110cce707bb7e08ffeabdd224818
- SHA512 3012b78d1ad5b91a9bba0663c2852d134fe892afad0f582d638e220d4bfadf125035eb61612bf4651b8cecc1083331bdeb8e58a19d46aed0f39cc96288cc952c
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:KfBQGH6SfwoAX+U4
- TLSH T14C5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13884BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH