Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/06/2026, 03:40
Behavioral task
behavioral1
Sample
2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260629-d799qact7w
- SHA256 a0cdbf06a585fc9d003f2c5e0d5d224d0abbddfc2c2c904f9e2e325364ce6590
- MD5 b5250366984e99deff58415e00ec59f8
- SHA1 48cd467067c04360bf3736d39f72e6b87cabf539
- SHA512 63d3c670a53b59640609e2a2ac50f5cacf26f37726a5334cb5420f8e5013e97bd83bc3c2cb3e8218441584df13c30d7da4850fe00610799b48f633756154b2c1
- SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqT3oAXjiU4bzF:bfBQGH6SfzoAX+U41
- TLSH T1035402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- 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/0x001300000001bc58-6.dat family_cosmu behavioral2/files/0x000d00000001c54e-81.dat family_cosmu behavioral2/files/0x0005000000018979-192.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) \??\N: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-06-27_b5250366984e99deff58415e00ec59f8_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 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXBCC2.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXBE20.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXBDEE.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBC17.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXBC90.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBD72.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXBDDD.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXBE42.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBED7.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBC39.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBC3C.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBEF8.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXBC18.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBE95.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBEA6.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXBF2B.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXBF4C.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXBC4C.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBDA7.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXBC8F.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBDAA.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXBE84.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBDA8.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXBC6D.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXBF08.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBD5F.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXBD60.tmp 2026-06-27_b5250366984e99deff58415e00ec59f8_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 2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-27_b5250366984e99deff58415e00ec59f8_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3164
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 334KB
- SHA256 79fcfa9d5adbb5366acff382e577b2b3c32e58f366108fda5c3de845938f7a5a
- MD5 172e18edc7fa97a21071c6172acf2371
- SHA1 11341914a898eb4ca09de2856b0f9d2157b9d840
- SHA512 73a4a9920c7f3a1a9af64871f7ef16f85180d21da29885cc6e8b61b570d7f68fc0e2fce6c9389c0d8572bd6bab1fc900a28fa4ec6f8fa75e330206282f3162e6
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:gfBQGH6SfeoAX+U4
- TLSH T17174F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXBD72.tmp
- Size 284KB
- SHA256 e3f5bb84690566e9e3a748b5dd8cd9ccbd7b8be173524f0fd70f58bbd4527807
- MD5 8b3f4caeab18185027cfaf265b9a9b06
- SHA1 a932b7c7197d1d344c439467e14309291a759b30
- SHA512 682108d5452b1e65fe7cc9a75e8c0d560e908a5d455b879266d6c2da99437cdacc217b1d2b5c4b484027fb6ded172c0be7754d2802cedac8b31d048b2b5c6de3
- SSDEEP 6144:rFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:UfBQGH6SfdoAX+U4
- TLSH T1A054F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXBEA6.tmp
- Size 284KB
- SHA256 2cc6737f608d9f124dd931cf5d6d3b9d438c290d91047313ce6757e6c3c82ff7
- MD5 cff2f25e97bd169651a97120d82f1032
- SHA1 3b7d7e0ec51487d9c9159f566c09d219b46ca0cb
- SHA512 4bbc0fef50ea8e81da5e0ea2d58d36b465ebc764c935e51fa596859b300c016681775a9c1af694274199c0940cd70fcb57d4a0159b2d4921357569748073d6a8
- SSDEEP 6144:/FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:wfBQGH6SfwoAX+U4
- TLSH T1B65402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH