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
20/08/2026, 22:17
Behavioral task
behavioral1
Sample
2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
General
- Target 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260820-17dxvawfle
- SHA256 bd0fbe360d0db7901f884e8c9361c941e9c3d8ab86f4691e75f371c86b2d972f
- MD5 0f04ccc6048532202cebd83ddc025830
- SHA1 aea61e72cbcfc4cde3aa8df4b59c2804148c908f
- SHA512 9e64c0d57e9ba003cf772c1765310263cbed0af89df2653781d30090f3863af7f35c73b1e72470f277d47be37cb1797e8322a948543656460c11b318b6d2608a
- SSDEEP 6144:+FlKgzelZNQSBQGH/CSpWqTgoAXjiU4bzF:5fBQGH6Sf0oAX+U41
- TLSH T1A554F1457DA3C8B3D04149318CA6CBE1577A7C13AE65E207FB993F4F2EB13848B6A251
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000600000001b853-7.dat family_cosmu behavioral2/files/0x000e00000001c4f1-82.dat family_cosmu behavioral2/files/0x000300000001bac6-154.dat family_cosmu behavioral2/files/0x00070000000188c0-193.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) \??\G: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4046655672-1449839301-2197395821-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-20_0f04ccc6048532202cebd83ddc025830_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\RCX39C6.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3D85.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX39C7.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3D52.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3C46.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3E7B.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3C79.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3DF6.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX39C8.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3E38.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3E07.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3EAE.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX39B5.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3E6B.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3AC6.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3CBF.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3D86.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3B76.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3B87.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3D64.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3D84.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3CF1.tmp 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-20_0f04ccc6048532202cebd83ddc025830_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 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_0f04ccc6048532202cebd83ddc025830_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_0f04ccc6048532202cebd83ddc025830_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:2852
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 333KB
- SHA256 c70e31eeba47389a25f0322f4ea3c0c25e966dc462221ff493aa6f5b3ddfadea
- MD5 4d43c18578e65a38d2a0f9ad33c5328a
- SHA1 4ad156517535bf7fde337f72c770c6720e23b6f2
- SHA512 0b1dc9d46981068db7ee81dc8dcdfd45713b3cda9361c24b8d44e6d4ea0e27d00c82c19c5f9a196f2c078ac4a51791a8f0f0253db985580b66aa8bfbbf11ccec
- SSDEEP 6144:fFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:QfBQGH6SfeoAX+U4
- TLSH T13674F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe
- Size 1.5MB
- SHA256 d829b5bf17f57bfa4f5a80183be74bb6cf0eb5e13079eb2ce7e22ec2ce5755a3
- MD5 4595df15103c6dc73014d501b459bee1
- SHA1 35a91b7959346bbd24613a1776c7a5b786c3d9bb
- SHA512 73f77363ff358fbd51e9d4d16efa15634609188cfc08506567057661ca79cfa4370afd41622c760ba1fba83f476d5dd1903bb24d0bb2fa98b29d5111161dc006
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:gfBQGH6SfZoAX+U4
- TLSH T1A17502457DA3C4B3D041493188A68BE19B7F6C13BAA5E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3C57.tmp
- Size 284KB
- SHA256 0444192c3b3a63f85328aa870966b21dfccfc51277a7568f3c55ea4f659ee101
- MD5 c9dbb9e2a76f20464c53289a8a2da4a4
- SHA1 6660262f8a8a9e031a3d9f804656d323803b664b
- SHA512 8c91dff2f3d58dadf0f120eaa6dad75804990ad187b0f1084b9120e215969900cb1c6f470275fffecfde06cfe8fc57c4d21a7f091567a6c86d085f5c880e6b07
- SSDEEP 6144:7FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:EfBQGH6SfdoAX+U4
- TLSH T1F554F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3E07.tmp
- Size 284KB
- SHA256 9daca0debbae1bb1708030381bd116da38be35e2e283eb9bc6c681e4aca43368
- MD5 60de51bd965d0e5de1c4565eae7f2ab3
- SHA1 0db46b3fb118a75384d9a380a1bd8b452837bab3
- SHA512 c429e151c45407667e07692703e01f61c40784d3087f60e3a24a0f61e3046f6958b891f1c0bca010fe13b1e1272ca6b0f5e00f75a81cc7ff9d5e2529ffcfc4da
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:gfBQGH6SfwoAX+U4
- TLSH T1D55402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH