Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 05:56
Behavioral task
behavioral1
Sample
2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe
- Size 224KB
- Sample260701-gm124ahs7x
- SHA256 41849f1a479bd899f66db72efb12d97bfdfcf49f7987ec84e912a1147d05595e
- MD5 29dd95ee978ba3e68cf793dff71f5e66
- SHA1 46c5f6fd3ce4981ae6f58f1635b2b999595303fd
- SHA512 525c39a744c5f51ec13420f6265f1766097af889269be7e30e88535ff4fad125480257fcca8f7e7c3ed2fbab1ac31ff8cc032a9f952a5d431e2ec7fd5b3868ce
- SSDEEP 3072:Pxv/y9LJ3tGXRvjxCb5NgXDY7uSK4aqTB5GgmQDi:JamlKgzeYqTZmQ+
- TLSH T15A24D0017D73C073E0514975C9A68BD1AB7F6C03B9D2D01BFB580A8B5EB12948AB73A9
- 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/0x000300000001b2b7-6.dat family_cosmu behavioral2/files/0x000d00000001c4aa-81.dat family_cosmu behavioral2/files/0x000300000001bb72-164.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) \??\G: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\K: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\L: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\N: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\O: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\D: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\H: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\I: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\J: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened (read-only) \??\M: 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD897.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXD9B1.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\dotnet\dotnet.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD876.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD886.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD96D.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXDA19.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXD9F7.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXD74D.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD80C.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD851.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXD9D4.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD841.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\readme.1xt 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\dotnet\dotnet.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXDA09.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXD9E5.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\7-Zip\RCXD6C6.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\RCXD72D.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXD8FD.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXD8A9.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXD8AA.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXD9AF.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXD9C1.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXD9C2.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD821.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\RCXD72C.tmp 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.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 2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-30_29dd95ee978ba3e68cf793dff71f5e66_elex_rhadamanthys_stop.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4648
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 260KB
- SHA256 cf965d1cf546c3c72a16ae1dc1717147a10d519659af27b86d863128fb64f15d
- MD5 cedf437accf57b4ecba5b76635cce31e
- SHA1 6afb26aa18a5aad7f89c9deb264d626f401ba8dd
- SHA512 e6acef541b0b6011b0fe86144e78c83495fffd4e1837c22581c54fa8984b666a9e1fbea593c667ea023957b5c930449e7dfe082df63dad4f21ba7cf34f7551f2
- SSDEEP 3072:Pxv/y9LJ3tGXRvjxCb5NgXDY7uSK4aqTBjgmQD:JamlKgzeYqTumQ
- TLSH T15444CF057D63C073E4414975C9E68BD1ABBF6C03B9D2D02FFF580A4B4EF129846B62A9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 1638f75fbc622168b94202b52254ac62250ec3ad3324cf75acb4c77f0fa4829d
- MD5 8d7fe9c1ce5a9713dc0a08066664e501
- SHA1 9d38cbfb23178ce6d1e5bdafbb9dc57dd14eeeb3
- SHA512 51d3f8b5eed5ff416d29cf5ae8b306b127dca627414b4dac45398a1d9f9e08eb3b9794a71fb33114f962fd8b5fa1ab58c27a89705f3becd7691b98473edf3830
- SSDEEP 3072:Pxv/y9LJ3tGXRvjxCb5NgXDY7uSK4aqTBIgmQD:JamlKgzeYqTRmQ
- TLSH T1CB65D0017D73C073E4414935C9A78BD1ABBF6C03B9D2D11BFB580A8B5EB12944AB72AD
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXD80F.tmp
- Size 224KB
- SHA256 ec4c6209c28d81aa3f7dce2714a87423fbaae9dfa07ee465b2f085bbcf1623aa
- MD5 e88b4bb1ce196187a12fda5f02797c1a
- SHA1 c1ba2583315cc0903a5d2a5c0748cc4739f42553
- SHA512 ab5f26ed0ece22bccb6be5ce3ff0380df76262565cc42473a8455e256f96bfaf56f53a8c135d43e36902f25e8ec1d1d54192cf1818fb8da94f5957ca4fc3030d
- SSDEEP 3072:rxv/y9LJ3tGXRvjxCb5NgXDY7uSK4aqTBygmQD:VamlKgzeYqT3mQ
- TLSH T16A24CF057D73C073E0414975C9E68BD1ABBF6C03B9D2D01FFB580A8B5EF129846B62A9
- MD5 SHA1 SHA512 SSDEEP TLSH