Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 00:00
Behavioral task
behavioral1
Sample
2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe
- Size 292KB
- Sample260806-aaak2stya1
- SHA256 723bf134da600242d55d90686dc8fee8307f7e0861407bee3001b5fc169ce06e
- MD5 a15f933d6d659e78aeb16daf82a416e2
- SHA1 cdd44aaf4d820270b442d7448ef47e92b1080516
- SHA512 f40dc7d51f1e49d02dedb64c064c57e3cd4af87fba0b5f0218f08a77bc56a6ae9668e3ca1d34c268ddcabd449c74514cd997c843949a0520f0312fac323df5a6
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bzd:FfBQGH6SfOoAX+U4t
- TLSH T1F654F2453D53D873E041493189E6CAE14B7F6C1376A2E21BFB981F4B1EF13885AAA271
- 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/0x000d00000001c3df-7.dat family_cosmu behavioral2/files/0x0007000000019c51-82.dat family_cosmu behavioral2/files/0x0005000000018973-193.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) \??\D: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_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\chrome_proxy.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX35A5.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX348C.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX35A6.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX31CD.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX34BF.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX366C.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3167.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX334C.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3533.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX36A1.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3512.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX346B.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3177.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3199.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX363A.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX319A.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX34F0.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3501.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3583.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX35E7.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX364C.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX366D.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX31AB.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX367E.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX31EE.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX35F8.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX31CC.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX35A4.tmp 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_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 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_a15f933d6d659e78aeb16daf82a416e2_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_a15f933d6d659e78aeb16daf82a416e2_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:4600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 330KB
- SHA256 5dcac9c4bcafa994636861414a06ddb8551d4c57f751e53b0e6750197e8bb165
- MD5 a470b7685b414376078dbdbba4b95638
- SHA1 4afbd5f15198e288cdf724245f603d7068dcc622
- SHA512 3667b25e3fdd441a6d8217b7b425b4d459e410c1488214301ba621cb0e47452b5eaa7a7959c61b2ee78e65188cd7267e3afefda98b610e766c408bee0225a5e0
- SSDEEP 6144:rFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:UfBQGH6SfeoAX+U4
- TLSH T19874F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3458.tmp
- Size 284KB
- SHA256 e7bc5ffcf5b59411133c8d4f3b09b958a290106a18b0c2caf2c112624c6ab0d1
- MD5 1147da5b36dfb15c4455de0c20d80448
- SHA1 7b47853aa51e6af6293a389b2331903e222164aa
- SHA512 275388662cac202b5c96af507f6fe0196756b30b0e9ddd73f186af2a9d29753d59706d4c54ffc47a7ded46bcf6ef18f0a045b770dac3b69771409d9354ef0de1
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:4fBQGH6SfdoAX+U4
- TLSH T1A354F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX35F9.tmp
- Size 284KB
- SHA256 a244d7ca50488666407cac993fe40917f453c978d6727a5269cbb1467bfbfad0
- MD5 62449beaf4596a8234c300bb6ae6764f
- SHA1 f71b9bbc1d9f174fb4700b20afe274579971fa68
- SHA512 05718a6469a670cfdb123d277db7ae601c6a6463859f10e36a4bfdde9edac8a612dc8cff2cb62d4194b6aa96cc99436133476a4d96e3f313c8ef5e8b8ec8cade
- SSDEEP 6144:7FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:EfBQGH6SfwoAX+U4
- TLSH T1C65402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA271
- MD5 SHA1 SHA512 SSDEEP TLSH