Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/10/2026, 16:20
Behavioral task
behavioral1
Sample
2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe
- Size 332KB
- Sample261016-ttcdjaad55
- SHA256 b2e498a57764fc5b419c7d022a2017d757f76f24810b48e2bcd94400dffa64f6
- MD5 54e341da42812c7501ef836e8bce9482
- SHA1 5ad929f75ab211b2cd6daf446a3c1d3748ab7a04
- SHA512 ebc891683e5f53f99bc28678872a4dc9848077d6189fa874dd7e9c5e858ab763cf66c4e8c599d0cee1b91a7edfefec7c19f21e0528519acf240985bee0c6bf0a
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:+fBQGH6SfboAX+U4
- TLSH T12F7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- 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/0x000e00000001c5a3-3.dat family_cosmu behavioral2/files/0x000d00000001c5ae-86.dat family_cosmu behavioral2/files/0x000f00000001c5b1-188.dat family_cosmu behavioral2/files/0x000900000001bb4d-184.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) \??\M: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX6E97.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6FF4.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6E74.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6FD1.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7068.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX70EC.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX6EDB.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6F8A.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6F8B.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7153.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7177.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6E73.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7006.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX709B.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7165.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7121.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6FD2.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX70EB.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX6E96.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX6E95.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6FBF.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7048.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7120.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6E72.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7069.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7164.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7007.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX709C.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7017.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX7132.tmp 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-10-15_54e341da42812c7501ef836e8bce9482_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 2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-15_54e341da42812c7501ef836e8bce9482_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2416
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 288KB
- SHA256 10552ef0a334e99324b8c6cf56567996ab5b920b2f74e1318f21d4be8006a0d5
- MD5 613631be7e4b62bd1f6220dbbe7647dd
- SHA1 52b6bb1723a13012deb51eb1f9356347d18f96d4
- SHA512 c64b854e4105f72b2625905e19de4039e769253cd1f45bc3481e2c57de4ae8c7d0a8ce65bc5e6879b26fee3b7cdffcab7c4226aa1426a02cfe8b31361b555e39
- SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:zfBQGH6SfboAX+U4
- TLSH T15C5401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX709B.tmp
- Size 288KB
- SHA256 61f56194705bb5774d4f7c76f65ee0b53777ff2974efa287c667bbeaff40a1c0
- MD5 2dc1970723f6540abdabf19ff5773b27
- SHA1 ea5f7b0b8ea7d2732e355370e7c20419788a10d4
- SHA512 3c70259321ab95644005664818ba3b12e7c4794e040ee041905955d8eec8d07f85a8daa9f0a2eb765181a0214148243fa5900ec5d6c618624dd3f72fa6905b65
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:rfBQGH6Sf3oAX+U4
- TLSH T19B5401817DA2D8B3C4414A328CA78FA197376D13AA65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX709C.tmp
- Size 288KB
- SHA256 06459d68fca10ce00b7c2f9005e87a3bf1a01238979a3ced412a4c9565c6b0f6
- MD5 bb8824b2c777e71829caa8aba1ac3b1e
- SHA1 8be026b2529a90cb5838b8a0ca7af679aa4cf72f
- SHA512 7360477d3561b7a3b484b2cc555a2bba60cbbebcb7b2f686313407e0f20843156a5a33b21db64f525e28217c7f800b3197bc4c638d025e87652c601c1801b4d4
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:TfBQGH6Sf+oAX+U4
- TLSH T1265401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX6F8B.tmp
- Size 288KB
- SHA256 92d2acf6c98dc61edb8f61c1a9b35440b7250b42b8d5000617602ed51f064779
- MD5 c0c1aeb324dc1e9bdf6dc9aed18492aa
- SHA1 04912ee64f4d1c06aa86595b892cc9a599b28d1c
- SHA512 af7540ac0a115abf750ba4bd1b40fd9de2418f32b5195747f2ccc2d8d786afdfe6ca08de1bf818cd0e1f016caaeafcec073f80c8d603871ea3923757844e1cef
- SSDEEP 6144:QFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:nfBQGH6Sf8oAX+U4
- TLSH T1E05401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH