Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 22:23
Behavioral task
behavioral1
Sample
2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260817-2a4yfa1bpf
- SHA256 a501717d429da8b60b81b58eed552f378477592aa64e969e2708b3d0a0b11776
- MD5 439f72a04e263e966a11d808e4a54a6f
- SHA1 14bf416f14462dc1dd547a58bbb6e1d566a5225e
- SHA512 c6db86dc47c42b00595923118d30ca89679aacc18ca114cf3ede51f9d85d9c5bdf839c4b21fab0d0c8d5d7b11d1203887eeb0693b6654a4521c02884f74527c4
- SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:AfBQGH6SfJoAX+U4
- TLSH T1B86501817AA2D8B3C4429A314CA68F6197377D139A65D203B7AD1F4B2F713D09B7A302
- 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/0x000e00000001c5b8-6.dat family_cosmu behavioral2/files/0x000400000001bb55-83.dat family_cosmu behavioral2/files/0x00070000000188c5-192.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: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4A49.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX49D5.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4918.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A19.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4BFC.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX47C0.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4817.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4950.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4B5B.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4BEB.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX47F4.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4B5C.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX47C1.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4919.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4838.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX49E6.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4A7E.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4984.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4816.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX47B0.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4908.tmp 2026-08-17_439f72a04e263e966a11d808e4a54a6f_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 2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_439f72a04e263e966a11d808e4a54a6f_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2968
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 ba446b84ff44d7cf33612f695ccd1333d0a9d518a92da810b505773fca9109a9
- MD5 7ce10695001f47caefd4d532927ef677
- SHA1 1aa932643d54fd9a3a1222c5bec3921f5fab65e7
- SHA512 c4a0b924799e7d683a440c143ee4aafde5d35895010f0fe00d0537e3f880e4fd9d71ebdcbc3f6674aa626613f8ca03d81c3d8df6b6592e88018d900fff9b57b0
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:gfBQGH6SfboAX+U4
- TLSH T1A06401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4918.tmp
- Size 288KB
- SHA256 be49b3bb5da6484e8901b31ad53d4615ec29582d5df8e2a414a19f0d169ed3de
- MD5 94ab405438067686f18671e4ac923cef
- SHA1 05642043e0b0974ddf2d20b3ea4e64b12446c981
- SHA512 71b593f684f5649e96bd43a54848e88b3acfd80f4d035dcdda5cef5ef1db7cfd7253ec208cdc7a3f78e52d4e310a71732510c38118650895b477ad9232cb41d4
- SSDEEP 6144:7FlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:EfBQGH6SfRoAX+U4
- TLSH T1785401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4A5B.tmp
- Size 288KB
- SHA256 652ce43688d6b4a6b80be23b24e66741672fad7425d9471ad52b7d6c84340dda
- MD5 1573a3a38dcbdd2ab494bc25bcd38260
- SHA1 6b5b100fd37d6d5d00a4dfbdfd071220f8f2c7f0
- SHA512 152479e8f4e9b78acf85ab51e7ac5f9e29d7dc3805906be29f8e0dc4c1b2f9136dd770658d8a00982d21df4c814a7a36a30b48b5aa9e964767d867c21c232f91
- SSDEEP 6144:fFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:QfBQGH6SfooAX+U4
- TLSH T12A5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH