Analysis
- max time kernel
148s - max time network
136s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/10/2026, 12:48
Behavioral task
behavioral1
Sample
2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample261010-p14ddac19m
- SHA256 1d88db50f95497b7e3013a10db25274de96fd8a78f4f32c01e3c84541f58fae1
- MD5 5874f8135ab243194cf24d6403de318b
- SHA1 1a0f957350165ebf7e3cdcb27f9597f3584e8474
- SHA512 e157a57584d443db09f2a838b7ab88424c3eb3545a3d2697c75bb865db5a02ea334de0e4bd2dda53eff150f2eeed38d9fc22eb03743a35214e930705084bb3c0
- SSDEEP 6144:oFlKgzelZNQSBQGH/CSpWqTmoAXjiU4bzV:ffBQGH6SfqoAX+U4l
- TLSH T1FA5401917AA2D8B3C4429A3148A6CF6197377D139A65D203B7AD1F4B2F713D09B7B302
- 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/0x000e00000001c4ba-3.dat family_cosmu behavioral2/files/0x000400000001baf5-86.dat family_cosmu behavioral2/files/0x000300000001baf7-184.dat family_cosmu behavioral2/files/0x000500000001bae6-188.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) \??\L: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\RCXB41B.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB483.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB4B5.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB470.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB5B0.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB494.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB42C.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB481.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB5AF.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXB547.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXB55A.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB482.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB4C7.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB4D8.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB43F.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXB2D1.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB303.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB407.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXB5D2.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXB56B.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB2F1.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXB493.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB3F6.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXB42D.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXB59E.tmp 2026-10-09_5874f8135ab243194cf24d6403de318b_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 2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-09_5874f8135ab243194cf24d6403de318b_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4976
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 328KB
- SHA256 01dd874ac7211f80338bcdc900844ac21fc14309ca715b60ccd422aa6191ebcf
- MD5 5e71d3768f3c6622da60434f6c89a2c0
- SHA1 d2928a1194819b041e6b30391a236bba9c652e65
- SHA512 00e81150380b81d6b373d6cfea14e6c705d4356753f867ccf48e4ccc23cab577f1d952c84c3180aa864dff4b00921fb9ab99f8c3f3695d0a8f8df69605dc8bc3
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:afBQGH6SfboAX+U4
- TLSH T1016401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB4D8.tmp
- Size 288KB
- SHA256 7c858059d4568d570cda4fab8a6eea2caaf5d5f6e5577059729739f8f9a77b2d
- MD5 3bbfa99d2b7ad9d0ce5fd91e770ba219
- SHA1 595c4e713937824db973a857464a1e50c2955737
- SHA512 653fb5ec1a1f861f62710b901e43aa37bfe2350acf48974855aa0060301445fe6957036a5bf3ac1143ce1296938f535e0804ad124e33d218a1fbf3c7230a5cc2
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:afBQGH6Sf3oAX+U4
- TLSH T1C75401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXB4D9.tmp
- Size 288KB
- SHA256 4c6789bc5d2f173369ee2d80b2fcafe0bc8b5346194618d13b7a46ec04a7321a
- MD5 2d7d66ec7ed5e85e6e805a25e5e3c083
- SHA1 fbaeabcf65057bd4b6d7dcdece07e1a15b743875
- SHA512 d61d480063a0db57bc4371d94dc83d0240665ceb7e0bca07afca0c701c1c3a4bc05a4b12a257b5d2aa2418fd9fc2e3d5842a6ef85f7cf01f31c34a829d996902
- SSDEEP 6144:lFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:ifBQGH6Sf+oAX+U4
- TLSH T1D45401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXB3F7.tmp
- Size 288KB
- SHA256 f5199c2394d730a819fab337b324b770e6104eb552fbd70155225d26093ec708
- MD5 84befb50ca6e3793b83373c50acbfb66
- SHA1 316c023b8ed54abb74f5a254b75db45ee32ac475
- SHA512 7bd87f67b9e30a1c060fc08beea2ae432ea49203f8dca656411408ebee253bd3f03fb2afac5da1231e399ea1d7db95a73133580b8804694c9c0a2438c2257717
- SSDEEP 6144:RFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:GfBQGH6Sf8oAX+U4
- TLSH T1F05401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH