Analysis
- max time kernel
150s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/10/2026, 08:53
Behavioral task
behavioral1
Sample
2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
General
- Target 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe
- Size 420KB
- Sample261015-ktlgrsys6n
- SHA256 dc4b4f6cad12b8330f4bae2eef6e5503d57ffecf2d94f2cb35da6dcb0033c168
- MD5 8e651d6ad424316b7ca5866af822282e
- SHA1 056cf3e73bd1456cd48e0aa0e1013d59596f8b1c
- SHA512 de89004a6834722d138d85e0f0cdaafa48b6ba608165e8585678182a786e4a0eb0920af6a6eda7b4fd14b0ab6d4893eaa2b4f296fe129bb27939bf5aaf382be9
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTtueF/mNyBOoAXjiU4bzN:IfBQGH6SfwCBOoAX+U49
- TLSH T12294CFB27B92C66BD4E7C23DB4458557A7F29B024D13926397A0EF3DCA392818DDCC42
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 7 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c54a-3.dat family_cosmu behavioral2/files/0x000d00000001c556-86.dat family_cosmu behavioral2/files/0x000300000001bb18-162.dat family_cosmu behavioral2/files/0x000300000001bb29-185.dat family_cosmu behavioral2/files/0x000d00000001c55a-189.dat family_cosmu behavioral2/files/0x000500000001b90b-258.dat family_cosmu behavioral2/files/0x000300000001b938-269.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) \??\H: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\RCXBE78.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXBB02.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXBB34.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBE57.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBA91.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXBD44.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBE23.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBA6E.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBE44.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXBCE1.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBE11.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXBE8A.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXBB64.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBC34.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXBE8B.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXBEBD.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBA8F.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBC47.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXBEBB.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBC78.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBA7E.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXBCC0.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBA6D.tmp 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-13_8e651d6ad424316b7ca5866af822282e_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 2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-13_8e651d6ad424316b7ca5866af822282e_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1324
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 327KB
- SHA256 6d70e2cfc1293b3e79e311134c296c305c25c697f547767931570e7576c68c16
- MD5 676e4e6f98475deb3cc77fa5d81a08ef
- SHA1 c38c8e5d3a3b60be6714e474929615529e9f9504
- SHA512 becd0dce3b9888139d0080e4c903492adb359cdd8f5548c436c19644726ac511294c2e6ff9c1ee4d70779caf4ae64672e2af08fb8c7263ebb7b0a568adb2de75
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:MfBQGH6SfeoAX+U4
- TLSH T1B664F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXBD44.tmp
- Size 284KB
- SHA256 2484f8a346db66fa62b8c79b22d2eebca3260fc82a41ac96fb6174ca24e44605
- MD5 b3956aa59b93b05a2f760b48d4a30f85
- SHA1 3e86509a56a032f6d2205daa1c172346ee9de12b
- SHA512 0923eb60cb9bc04a046559dd2243363e0f1317404a98b731e5d9ccfda8648acaa066a80d8703c53d9c10f49ac40d0f2591e465b93c6a19f7d3a0f9ee5bee8d5d
- SSDEEP 6144:zFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:cfBQGH6SfzoAX+U4
- TLSH T1FC5402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
- Size 1.5MB
- SHA256 215d7741ced751ac37b355f4a9d329853b82114344a4007a6eaa952da637af58
- MD5 11d38c98d3dcfdf522bae967d731a567
- SHA1 f7695c1ff8b7a403f95ca7a7fdf1275574251612
- SHA512 190b19f29fca137579437b84dcb2de297cb8ba70c4fc9a5b7bae3b3068dc2968fb20e45d4faf94c3a997c0b19843a45d659a7910adc64740aa19aceb29083e19
- SSDEEP 6144:zFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:cfBQGH6Sf9oAX+U4
- TLSH T18E6502457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe
- Size 1.5MB
- SHA256 3cd7ef27221a1f1925e2396dc0d225cbd61e4140e8536a4d08f3b44b84a0bba7
- MD5 f90bf6631060ea3d248422986de81cba
- SHA1 d1efa4da71d3183f33e6d7ce33fbdb5644e67133
- SHA512 c902c4476b25a45ac277567aa51b448a7f59146f8a8cc11bead9962fbc08e3f3ead28814095ac18974f1f68fe1dddd19f0d46f4495af693ff35480d7f9306c6c
- SSDEEP 6144:zFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:cfBQGH6SfZoAX+U4
- TLSH T18B6502457DA3C4B3D0414D3188E68BE19B7F6C13BAA5E11BFB9D0B4B1EB13844B66361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXBC34.tmp
- Size 284KB
- SHA256 f7c0e29373396823b2b9cccf4f79ba4d9557ab15289704db89596ccb988d2f45
- MD5 624ba806037411bc326f0b54dd614513
- SHA1 130f56917398eb4842c9692f674576b4d74d9efe
- SHA512 f121dccc57fc0d038dd9b82d897e7fe851ff560786512f96a0eea10fd79e5aa970c014c705ca739a2e65f55854ffca13d5844a78c6e503fc3b9ff278f2f62a3d
- SSDEEP 6144:fFlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:QfBQGH6Sf0oAX+U4
- TLSH T1C754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\default-browser-agent.exe
- Size 284KB
- SHA256 d4014bb7330b9e9f5d3e5b5345d29ebd94449fd1dd20d5d5ba0ad9d0d253a601
- MD5 7cccb5ede53f749a363b3895db54009c
- SHA1 d4ead74e0c0e0f190e52bf512fddf2a8033096c6
- SHA512 a082a4d4b8fc5d60797ab12c2fb4725bec124a5e514c73ff4b89a8c5ec3b050571f91aa8f7372ea55744c1c5b0d8f5e3a869bc9bfbf90bd58f45fee8dab2e02e
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqT4oAXjiU4bzF:MfBQGH6SfsoAX+U41
- TLSH T12F5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
- Size 351KB
- SHA256 f2919e537c71c1e5d4fc2eea15538a8e3ff20afddadbf2447a45049b70aa2834
- MD5 bb4cbab54371fd8130e6dc79893bc0f1
- SHA1 568923cb13ac88beab897a7b88e617853031bfce
- SHA512 908bb1845f6f49e9a9fd2456ae0d3af4cc81ce46bd477b5481afd87b775d9b22f3ffd56996a7eb7435b8d30893b1fe827d3a618138a3a671c2b6deb04c77ee41
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqT3UjD56oAXjiU4bz:FfBQGH6SfDUjD56oAX+U4
- TLSH T1D174F1413E93C4F3D440093188A78FE19B3F6C23BAD5E207FB993B4B9EB13845A66655
- MD5 SHA1 SHA512 SSDEEP TLSH