Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 06:00
Behavioral task
behavioral1
Sample
2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe
- Size 333KB
- Sample260805-gqbxdaee39
- SHA256 b3a2d19cea96d073b98fcad195e9a0fe232b827144073cd1266fa0bffcd9776f
- MD5 62f3d579f9aa5a31cbf68acfcd6bc7f7
- SHA1 a5e2cd8a371a263da37452f358e0bb0ecc86dc54
- SHA512 37d6da9be8464fe61f281c34ca24bd14f9709b1c01df550a76f7276fba316339ce603fdcc8b38d6bd75c82da632ae1bde2791c0347ee6dd68c8c8b209e339c52
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTJoAXjiU4bz:mfBQGH6SfloAX+U4
- TLSH T1437401917DA2D8B3D0414A3148A68FA197376D13AA65D203FBAD0F4B2F713D49B7B302
- 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/0x000e00000001c34c-6.dat family_cosmu behavioral2/files/0x000d00000001c359-81.dat family_cosmu behavioral2/files/0x00050000000188c7-192.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_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_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\140.0.7339.81\Installer\RCX4E3C.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4F0C.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4F4F.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4A2C.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B8C.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B9E.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4F1D.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4FB4.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4ECC.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4F3E.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4FA3.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4987.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX49B8.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4F60.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX49DA.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4BB1.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX49C9.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4A0B.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4975.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4EAB.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4FE6.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4BA0.tmp 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_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_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_62f3d579f9aa5a31cbf68acfcd6bc7f7_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3276
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 337KB
- SHA256 34433d942fe46a98fe04e77a41a22615f18f68bd3030ad3180bf0bc44ffe83de
- MD5 200cd26c482a0dd9895064d2e78fc279
- SHA1 53a9a8eaa7e7ee26acee88a04fd18a2174442f09
- SHA512 dcf7be50ce924135337240a2a1e6f19e6b81759fc847a5e2579d9b141dc0bda6e06ac96f9926b93f09e70d667dfec879d1896f590b66854bdde6e2bde9b62a7f
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:DfBQGH6SfboAX+U4
- TLSH T15D7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4B5B.tmp
- Size 288KB
- SHA256 2fc4fac2e1c52b2ba3a45f8a1944bedc5f796e24e3ca8d5014885f5d456f52cf
- MD5 9a83cb3ed6a54daaa9280b4d5fc1f759
- SHA1 11693f85ee28a2908b02fb1cc2dfb036a1b96642
- SHA512 c152a2844dcb3ba54aa318a0148bfde778d0714b416ddc4b07c7a3619fd7bd1c25ce9f1393f8caa8263ab184da79c96e467258d05ddf2a3665eb8b5ad6129dac
- SSDEEP 6144:AFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:3fBQGH6SfRoAX+U4
- TLSH T19C5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4F1E.tmp
- Size 288KB
- SHA256 d2ec74fe5084a6962a27b62657326406a1ee615dbd450ff6cb58af45ffebfc06
- MD5 33b10e0de73dc28c0aaa26a0b6f2f3da
- SHA1 f81c732677e5fbaa4084f1463fdd508c3ed5d717
- SHA512 b850df9e6b444466198b1744c1d370558a301af60be3374fc3b06b17ef2f4280a81b8064167468862a1d19526acca902a20c9f332592f3e63993239329dd428e
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:7fBQGH6SfooAX+U4
- TLSH T13C5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH