Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 03:10
Behavioral task
behavioral1
Sample
2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260910-dpd4kavgja
- SHA256 b69681b0009a2ec9c0388a61086686fb8949b2a65424e30bf666ecc101bcd398
- MD5 b8f17364ecbec71eac14e16c5b7b8be8
- SHA1 f112f0326e176df214f8460c2ba179bde2362347
- SHA512 14707f859a5bdedd4499b7903ba55ed9cbe2b9f8b159c9c19d17eaf70fcc55ca45c7afd48efa95692ee10422d2e0ad6ead24eb5f871c0edb33de35c86c897a3e
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqTkoAXjiU4bzN:0fBQGH6SfIoAX+U49
- TLSH T1345402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- 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/0x000d00000001c54f-6.dat family_cosmu behavioral2/files/0x000d00000001c55a-81.dat family_cosmu behavioral2/files/0x0006000000018975-194.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: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_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\140.0.7339.81\Installer\RCX369B.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX36BE.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX371F.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX369D.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX33F8.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3409.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX34C0.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX36CF.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX340B.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3607.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX37C5.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX34BF.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX365A.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX37D5.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX343B.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX35E4.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX349E.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX36CE.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX35CF.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3761.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX35BE.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3731.tmp 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_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 2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_b8f17364ecbec71eac14e16c5b7b8be8_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2168
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 5905f0e3226e5ca7b09ccc0c15ea8c474b5a7078dd2bcdd26da4b18116e21308
- MD5 ba3f581c292b88f45b681b6d9e717234
- SHA1 92b67a25d0b0e923970518ea18e291a1a6c3963a
- SHA512 130a6a94395d1f282e554e503ea3811a1fcee23236e309bd2dab755d795bdcd12e8d7282d10c262d4e903c9ee795e234e6b36f6e996162f37e9af02e909160b9
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:NfBQGH6SfeoAX+U4
- TLSH T18A74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX35CF.tmp
- Size 284KB
- SHA256 dde310f99429237986ec2f4ddeba619e8fdc2ee1ead88a4dfc0e6e19781f41e3
- MD5 049398affc8bb0dac7476ed0526e2e6c
- SHA1 5ad4f9c17ca4f6a1474283277a386d07d47a07ab
- SHA512 27f96d72f781fa8457f96fbd6dd014ccebff63732785a1aac2bea56536346c53a435b391faa73ab7b7cadf1b6c8e4b094a068e7a6cfd7f711aede51687aeae54
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:BfBQGH6SfdoAX+U4
- TLSH T1AC54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3731.tmp
- Size 284KB
- SHA256 405c32c018682c0eaf0fbf64d8a196ce76acbefcffb2acefe8329a4edb15bac2
- MD5 880e2b80e3d5439674e604fe12677fb1
- SHA1 a52da64be867e28ee8fe69d3650d3117687e713f
- SHA512 7cdb8fc6ed246e70ac197e6a057147a712cdfca02dcf740c2a1453ba9a26c8992ee57fe4d50cc93243db36a0bd1274fb80f45a4c192a4664c207d8112f9553a7
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:NfBQGH6SfwoAX+U4
- TLSH T1595402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH