Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 23:26
Behavioral task
behavioral1
Sample
2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260819-3far8awblb
- SHA256 fd9090f29be5db762bf05de7cac27fe7f861c499d6ecc4309bf88c2dd5fbd2b5
- MD5 020063646113b5558df2a3352744c55c
- SHA1 48074f21e5f97933b53436c5a2efc336b9f01087
- SHA512 c7d847aef155e9334e0ae5b6d8dc69cec0b56099f5f7b505ccb0591e0e85f145e5a1e0bfd0910c71eb19a262aca5fd409a5e2fbfe17fd7b60cb1374ee740463c
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bzV:lfBQGH6SfRoAX+U4l
- TLSH T1D15401917DA2D8B3C0419A3148A6CBA197376D139A65D203FBAD1F4B2F713D49B7B302
- 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/0x000500000001b815-7.dat family_cosmu behavioral2/files/0x000d00000001c555-82.dat family_cosmu behavioral2/files/0x000700000001898a-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: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX75A3.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7429.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX744A.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX74A0.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX748E.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7407.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX720A.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX721D.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7449.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX745B.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7634.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX721E.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7677.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX72C2.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7260.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX7290.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX73C2.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX724E.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX73A1.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX749E.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX749F.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7679.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7541.tmp 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-19_020063646113b5558df2a3352744c55c_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 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_020063646113b5558df2a3352744c55c_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_020063646113b5558df2a3352744c55c_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:2616
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 330KB
- SHA256 06f185c1b43ee9016555ed3860eb6f331129f83d30d688b256b1fd90996bc0d6
- MD5 bba781359f19b8497bed0acc2f90b824
- SHA1 85c92eeaa22e40e421d57cd1b46e5c9134439ed9
- SHA512 341b1f7cfe51e4c4d2522c8617458272e75a8288a0e6d638c4b4ed6e6ce62f25b6d3c4009b6e2431e510207896444160c52de6c953f73418a2fb19fce1a983cb
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:+fBQGH6SfboAX+U4
- TLSH T1627401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX73C2.tmp
- Size 288KB
- SHA256 f3ea23291c217b25fad02c2ef389b73425839478b5ec928dea4c756e67e6a22f
- MD5 305acf7667bab59b5502cfc4e1cec3b7
- SHA1 9005e87a29e746664e36ded7c62fa74b7e1f1dfc
- SHA512 f906ac641e39d4f3cbaf0de1c7dd860eec9e2aaffc4e83c9b85b46800cbc3a063288faf00439bc05d473069a6499bcf35de5d163707d24a560dea5af146d84fa
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:KfBQGH6SfRoAX+U4
- TLSH T10C5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX7582.tmp
- Size 288KB
- SHA256 24ad09281a1e5e59b364c1c281d88d0e32fbd78dca72bf4f42f56739c0aa5252
- MD5 4043f1e60a61e3c62cc0e7f236e2a41b
- SHA1 95e4a3eda4a8af169fdee315bdef8a28d387a6f8
- SHA512 bc9768a3c63f6d3d77b32cb02e9f4a04eccd80cb35e9f885263b9c43a882c7de3b18724e9daa7e789fe32885f5818ee14fef5ee158818923ead32386a3867a24
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:OfBQGH6SfooAX+U4
- TLSH T1445401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH