Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/06/2026, 22:09
Behavioral task
behavioral1
Sample
2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260628-12vcmsf12m
- SHA256 422c2626804acadd6ee451a069dd2dcfd05639804452eee7fc5d2e750b657c36
- MD5 63e9e8a979da2e880a41d372fb242b64
- SHA1 743be0b60aa7af42323905c70889e00a1bbc2b24
- SHA512 5347231b4cffaee91da6de460bef29ecfa71adc36f7d0f7b7e724d442ff43f6cc7bd347bbb90b0d8a6daad05fb0c9628620b331298203c5302e61c6269a78f40
- SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzN:zfBQGH6SfRoAX+U49
- TLSH T17A5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- 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/0x000c00000001c654-7.dat family_cosmu behavioral2/files/0x000d00000001c65b-82.dat family_cosmu behavioral2/files/0x000700000001bb5f-165.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: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2882181966-868590553-1461876573-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C8B.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3EBE.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3EE2.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3CF1.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3F66.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3F67.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3CDF.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C68.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3D74.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E1C.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3D85.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3FAD.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3F9B.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3DC7.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3FAC.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3F32.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3F54.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3D73.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3F8A.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3D96.tmp 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\WallPapers.jpg 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe File created C:\windows\readme.1xt 2026-06-28_63e9e8a979da2e880a41d372fb242b64_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 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2882181966-868590553-1461876573-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-2882181966-868590553-1461876573-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-28_63e9e8a979da2e880a41d372fb242b64_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-28_63e9e8a979da2e880a41d372fb242b64_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:4572
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 55e2605d840d1a359eaf2863454246b9bf31fcb877601beaa277a723dba82295
- MD5 a0149e164b1f32551f9cfeb1d56ba0f4
- SHA1 4a44ec4d28e663cdd538ef1f566b7cf92b82503e
- SHA512 f12146a1584f4d8604ce8304fe90408ab970ce763a317a20b173c9a72f21c303648c5f272b4ee052c2596ff697903eecdb1ebb0509682355a93a5e1fc3e6c271
- SSDEEP 6144:RFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:GfBQGH6SfeoAX+U4
- TLSH T1BD64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 b10464b2c7bed2183dc2e83daf365e195ea5af1b0d624f1be738650aefc4e77d
- MD5 be98a1298d554facc72b62f2d2009dfd
- SHA1 7f14cded1a459bb7d9cced522ae9d3c6ede54e69
- SHA512 003d88f9ceb50a6dd2c6617fbcd7aa0bffedda11ba7fca38686c83facb62ad90817e55f0d97ce98e3911a3aaff1368fcd5be1d6ad774323c51df2b7a7a504cff
- SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:efBQGH6SfzoAX+U4
- TLSH T10B65F2457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3D75.tmp
- Size 284KB
- SHA256 298d420af7febe888a83c09da2a1f16f12809c212e2868ace892dc286f53710e
- MD5 1d10ed869d66b4c79d8724cb3a0fb77a
- SHA1 320c10f35a9d9ed7c7f588aff7c96f5efaf60198
- SHA512 a00b616b3d3fc97db4f82730bf000a2af56a37558929e0072fc78ca9f34968a5f77f1d78de4ceb14a9be62125689aff8627d597edc615a97614a4542ced7d01a
- SSDEEP 6144:dFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:6fBQGH6SfdoAX+U4
- TLSH T17154F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH