Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 04:07
Behavioral task
behavioral1
Sample
2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260701-epynmsfz5v
- SHA256 e367ed76b39f30937a47613115962e6c6a8e80b373c0a1c886b0a8c6a6e68cb7
- MD5 80d4cd3eca125c027def9e8cad48191a
- SHA1 99937496da9af09054e1c07fc1255195d041a33f
- SHA512 442bfe8db504b43fca3458d8904ee064de04cfa9370651039c4ffebe9bb3cf9fda506ba1963e551effb4762b9ed5f75eb80fa8410f0c265e56449c8e0b87a181
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bzN:sfBQGH6SfNoAX+U49
- TLSH T1EC5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
- 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/0x001000000001c5ec-6.dat family_cosmu behavioral2/files/0x000400000001bb69-81.dat family_cosmu behavioral2/files/0x0006000000018973-192.dat family_cosmu behavioral2/files/0x000c00000001c616-251.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: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\RCX3004.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3024.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3045.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3068.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX32C9.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX2FF4.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX32CA.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX316B.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3352.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX31C1.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX31D4.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3190.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX31C2.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3159.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3099.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX31F7.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX317E.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX332F.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX32DB.tmp 2026-06-30_80d4cd3eca125c027def9e8cad48191a_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 2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-30_80d4cd3eca125c027def9e8cad48191a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2352
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 931378a3d80f3110185b4445a170c94e5de98288d5e360e36bc179e14ca467d5
- MD5 1ace1835a71bf23e2c6ba4bf28b33783
- SHA1 4c748d36c97ec905a10fdc8cfac7279616a8cc22
- SHA512 fae31775b0c8d7284e3ebfd86c070fa266047853e8690f3ed08d25f77c90d6f8c25508c95f0f0024f278ae07987e3aef491a0d0c5fa83efb0678b01d6fd10986
- SSDEEP 6144:AFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:3fBQGH6SfeoAX+U4
- TLSH T12174F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX316A.tmp
- Size 284KB
- SHA256 e782ab4832693a3d42e733aaf887e4254c770078fe280b1260f721341e15e81a
- MD5 e1f0655e5cd435c7403e72219f3ac428
- SHA1 e74b76aa9f8e3efbd8114081324ae3416d03aa85
- SHA512 839a4c22112cfc07930784420f4824afc94dcb118e9e3137252dec612aecde86c4062a16e2dec96efa64617c5a420ad1d431174223e2ef459f1fe7f0a03f9d9d
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:rfBQGH6SfdoAX+U4
- TLSH T19D54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX32DC.tmp
- Size 284KB
- SHA256 10d428e632e6ec11a70981ff95d7f389dd44e2da1882c641059e892bf31f1b28
- MD5 4a814c385b399ba81b967641864dc80d
- SHA1 951252f01d5331682d534a48426c2eafe8e8f00c
- SHA512 12998e1ab4dc21904028862ddd028c329a77a7a10de7839136748e5fdcd45efa6cf2fa2fadf4a1a34af9c50add60a6ec8a8e7c0ca3c1fd3484c7a9319abea98c
- SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:vfBQGH6SfwoAX+U4
- TLSH T16C5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
- Size 331KB
- SHA256 59c92401f7e4e47d54c3cc86e36c3d334cb90923d6837225ee90a80a1f7e8677
- MD5 3d2d9a5bc328f156a296416a4934599f
- SHA1 a2dc5f1ffc5c6627feecc040b9cb460ee3999be0
- SHA512 a3ef1dc48ec9fccd52f2b4868a8d27f20f05da2e205d7936b4b52e08235d21a4021009b5bae9fd20ad0d7d2e85196839f1828e3a74eb6b8c032b9db3419a053a
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:DfBQGH6SfnoAX+U4
- TLSH T1C07402457D93C4B3E0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13884BA6671
- MD5 SHA1 SHA512 SSDEEP TLSH