Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 13:28
Behavioral task
behavioral1
Sample
2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe
- Size 347KB
- Sample260804-qqt8ds1gng
- SHA256 f8b81b9a73185b630e75abdbefb9e28a8f9f5c3ea8a7a3f87fc2bfe66ce55d74
- MD5 f5c6bf7cddd65671d9fda3f6bc220049
- SHA1 8b41b79e8effefa9895a8a36e903558b88b9cf47
- SHA512 7961b315a7a8ef9aa257f01eb56d34383716b818991372047299357d52d5bb0e657a51459dcdd9d7609fbf418612c9c299b21a718166de190a8b533d39087393
- SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTNw/oAXjiU4bz:AfBQGH6SfG/oAX+U4
- TLSH T1A574D0003A9ECBB2D3C249318CAEFAE1477A7C2FAB559137F7983B0F1E712845656251
- 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/0x000d00000001c53c-6.dat family_cosmu behavioral2/files/0x000400000001bacb-81.dat family_cosmu behavioral2/files/0x00050000000189a3-192.dat family_cosmu behavioral2/files/0x00060000000189a3-206.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: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4E4D.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B67.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B79.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4F25.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4BBE.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4E2C.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4992.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4E2D.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B9D.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4E5F.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX49B4.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4DA7.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4EE3.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX49A4.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX49B6.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4EB2.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4F26.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4A4B.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4F37.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX49D7.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4A5C.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B8B.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4D96.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4BBF.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4BEF.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4B89.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4DB9.tmp 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_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 2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_f5c6bf7cddd65671d9fda3f6bc220049_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4684
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 339KB
- SHA256 914b99afe70102c4b89c5ca52fc04e2e10be7d3cd9c299ba3770281d56310fb7
- MD5 bcb41989ae0d140fbed5ca90311b4865
- SHA1 44e87f06b60e2813df0542a977c95e43c116310c
- SHA512 9c6b1f2fbc5515603230a4ce252917496340603a2cf2172c9e0f8b7afa2bd5100fb8b350a781d17c42b42f91ec8297270b37a0103f482bdf0057f76783eb3a42
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:2fBQGH6SfboAX+U4
- TLSH T1AF7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4B89.tmp
- Size 288KB
- SHA256 190f99370f1d8a183e8743484b6f7e7afc1981d001391e135820a4482901e76d
- MD5 4aa6b3608894c8326561e9ae35c812dc
- SHA1 8e81ea6b601fedd7513577f61a670d1af9196a39
- SHA512 1147c3aabe1634c121363c049d51bc04925d203b63b5a4a79414ffed4f281600438fca3e20777d428981ea348a301b61c6d11f07fb46a0fd8ee0bb6bbf20229b
- SSDEEP 6144:FFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:CfBQGH6SfRoAX+U4
- TLSH T10E5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4EA1.tmp
- Size 288KB
- SHA256 499a6743a0978cea96896cb173317fa9deb42c75a5c92c8626cf7b5f07ccfa9f
- MD5 64ba4d1a7eb4e5d4f044ab58b6facb83
- SHA1 41c6f855374ff21abb463073f8ad474fd6dda38c
- SHA512 47b620242a026afa78cd5aa3345e93e77cd44afc69ea8571202839671157ce9c681d14df23f23504a90c7910687f607966cbbbb2c514a5230c4dec0fe3e42543
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:mfBQGH6SfooAX+U4
- TLSH T1985401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
- Size 288KB
- SHA256 f14827ae8f7ce77b0d93957417522c8c039c2e20673cebe08ad12866c34da8a4
- MD5 94a95e0e078954abf93e0134f7209d54
- SHA1 88f5dd6ed5268184f598d5ec31e49a2711692283
- SHA512 3410277c9a4bad84593b576c4cbe80319e60bd7e9de85e8d3cdcd1ea1068720377c930b0c5d191926c00e577d3eddcbe84ba894214c607f5a5bba1654b81b7d9
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTJoAXjiU4bzF:mfBQGH6SftoAX+U41
- TLSH T1745401917DA2D8B3C0419A314CA6CBA197376D139A65D203BBAD1F4B2F713D49B7B302
- MD5 SHA1 SHA512 SSDEEP TLSH