Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/11/2026, 20:05
Behavioral task
behavioral1
Sample
2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe
- Size 336KB
- Sample261104-yt3ypsc16w
- SHA256 bed45a597defaa3e9684847533f825b4e7d13936b95b7923ddeb26b552ae570d
- MD5 575555b692963869a289f2af20068f96
- SHA1 4f5c678ce29ebca12ac9d367dfcc0da52f540651
- SHA512 59118aefb5e16811f18c92d59d6b91a985d6f9e58ce6fe9930b2d86dd848445041b8f894dbb892f03ecf65385ea337fc2fe823fbe72079613c1134fc09963496
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqT0oAXjiU4bz:9fBQGH6SfgoAX+U4
- TLSH T17F7402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6671
- 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/0x000e00000001c4ed-3.dat family_cosmu behavioral2/files/0x000400000001baf5-86.dat family_cosmu behavioral2/files/0x000900000001baf5-188.dat family_cosmu behavioral2/files/0x000500000001bae6-184.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: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\7zFM.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXA1BC.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA3BF.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA349.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXA35B.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA3F1.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA2EF.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXA4E9.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXA21F.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA3F0.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXA4B6.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXA1DC.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA300.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA3D0.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXA187.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA314.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXA1FF.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA441.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA430.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXA335.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXA4C8.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXA197.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXA1AA.tmp 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-03_575555b692963869a289f2af20068f96_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 2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-03_575555b692963869a289f2af20068f96_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2448
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 693d58234d1596e34028fa1e0d3b7e5c8dd758d464a7d10bf70a93fdf52565df
- MD5 9f8cdabefc9fb0b0a8f7a5ae0aa30151
- SHA1 70df9cdd2ba93865596850221e9deb22d150d25c
- SHA512 14fffeff4c28c1ee1ab5dc38f48be0799b8ae9ad115327f34f9098c072f55428afb73eea8b4eeb7e302a9985f8f08cf6517d13b0b57911c8a4fcb13f79031888
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:OfBQGH6SfeoAX+U4
- TLSH T1C564F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA3F0.tmp
- Size 284KB
- SHA256 ed2bddebd39d8bd04dbe87f153dffc6d7f93251466dcfcd586e0445d21b73afb
- MD5 85f14861851446194a1ac01ac5a5b0d4
- SHA1 77ef7f4165932f4de425329ea28c7aba8785934c
- SHA512 0821dea41c5f424597497467e59f3986b44a2a012be591ec6bee0162e659c145dc2670d6a130936aaef35ae800c967f62d0800bb43900fc17e6f0d4d3e4d8a7d
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:mfBQGH6SfzoAX+U4
- TLSH T1D55402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXA3F1.tmp
- Size 284KB
- SHA256 708e503e26312fb47cd0ff6b3fd69650c4530ab1600e14d161e210ad73a61ebe
- MD5 a3820cdaffa4345aa37a2fd2f7be971e
- SHA1 2084cf54f1442126349fd5b305f75a228af7e0be
- SHA512 07d5432851c952882f5cd4d6c9ac4a046c14ab38314566c83d2a4df1420f6843aa41be2710f73c6e5740f2b04f7a46d2a70260a7bc2f60f74836a2971e601946
- SSDEEP 6144:RFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:GfBQGH6Sf9oAX+U4
- TLSH T12B5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXA2EF.tmp
- Size 284KB
- SHA256 dc1ebc0520711d1819c6a15b25eaacd6c51ee6cb829d821b78b34e2767babbc9
- MD5 05d96b1e666b5d8f9a3862287b3bcc43
- SHA1 b6b774d45747f9c8eba5e02ab0836aeab349bc6f
- SHA512 1f30a881fbce6982a7760534b65a070ed056a638ad8e917a36eefaee9102bc7319eab0302eb00b6e9ea223a3bdaf649d8300b9db9322e81136867a90be8e4bd5
- SSDEEP 6144:lFlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:ifBQGH6Sf0oAX+U4
- TLSH T1DF54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH