Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 09:56
Behavioral task
behavioral1
Sample
2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe
- Size 336KB
- Sample260723-lynncsbd94
- SHA256 1ae51f62b0dab45d544daf80956c3c0625f87c7e08820606d439ba9bc2a98819
- MD5 96b858bb1eebdf133561ffcb82d33928
- SHA1 fcb0420fd99473713ad7980b9d3b260ca7a77daf
- SHA512 64d14cb097324e787d15752f32394ebfda59e758f68c0f664a14be346e073e1db1d865901e0e5d7bea4cd17b28937cd8e8f9b2b7b463b2c40ac69da52ab1f8e2
- SSDEEP 3072:Bxv/y9LJ3tGXRvjxpkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTBwUNRD5b6:ramlTZNQSBQGH/CSpWqTaUjD5
- TLSH T12A74D0423D63C0F3D441493248AB8BA19B3B6C13AAE5D207FB993F4BDE712945B77285
- 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/0x000e00000001c4f4-6.dat family_cosmu behavioral2/files/0x000d00000001c507-81.dat family_cosmu behavioral2/files/0x0007000000018983-192.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) \??\G: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\H: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\I: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\K: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\L: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\M: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\O: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\D: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\J: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened (read-only) \??\N: 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\RCX2776.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX26C6.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX294E.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX2673.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2857.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX2651.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX27E0.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX291B.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2835.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX27AC.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\dotnet\RCX2693.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX2800.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\7-Zip\RCX260C.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2765.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX278B.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX291C.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX2970.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2834.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\readme.1xt 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX27AD.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX2823.tmp 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-07-23_96b858bb1eebdf133561ffcb82d33928_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 2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-23_96b858bb1eebdf133561ffcb82d33928_elex_rhadamanthys_stop.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3340
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 271KB
- SHA256 8fe1d65391c36ff8f0ca19cb11e2450aa6dbd1ab5346f3488e3dd8fb7f1fa431
- MD5 e520bb1b016048605c83071745119d4a
- SHA1 61806f5358bf95c2ea822fa0e395490944b94a8b
- SHA512 9ff99dbb6c327d4a8b3906a90cb66ceb4bd825dec6548f912db221c2d38bb091189fc79a00e1c19c669dede3b2afaaa1cba3d75bb6012ba90e343b8b88f24514
- SSDEEP 3072:Pxv/y9LJ3tGXRvjxpkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTB:JamlTZNQSBQGH/CSpWqT
- TLSH T12444D0553C63C0B3E0414D728AE986D08BBF5D0376E6E11BFF9D0E475EA129C4BB62A1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX2777.tmp
- Size 224KB
- SHA256 86bdf1df4fee99a1f06b03feec121e6ebc815254dceffb2ed9ce32cd34795e74
- MD5 03ded19b164d5261c475767dcd60683d
- SHA1 30c1c7535b4527fbfcd735200ba6c5b7da4fc089
- SHA512 33c145ad36ce129ceee90ae56011a0eb64674f9047f5360771bdf087ff9f4c900d4296aa83c3c35b2809e954b6aec7554e7fe514d43ca3493208409022df2f8c
- SSDEEP 3072:rxv/y9LJ3tGXRvjxpkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTB:VamlTZNQSBQGH/CSpWqT
- TLSH T19524D0553C63C0B3E0414D7289E986D08BBF5D0376E6E11BFF9D0E4B5EA12984BB72A1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX28E9.tmp
- Size 224KB
- SHA256 0fd664f69999ae67bda619cc32a444edd034ddb7305f4417ab858eabfcd8db41
- MD5 2b502cfd471d04dd75046f827927804b
- SHA1 97cd346b8dcf9d7ca00c5496086eebc9e6ce830e
- SHA512 92f8a02075766d8bab32d58b8df66a39e61d482122eefb68b4e6ebaacbc2a82e914126a8ba3676192fe8c0d574b6f4337ff0d2e063111f4a3b85f281dcae6cdc
- SSDEEP 3072:Pxv/y9LJ3tGXRvjxpkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTBC:JamlTZNQSBQGH/CSpWqT
- TLSH T1D824D0553C63C0B3D041497289E986D18B7F6D03B6E6E11BFF9D0E4B5EA12884BB72A1
- MD5 SHA1 SHA512 SSDEEP TLSH