Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/07/2026, 17:26
Behavioral task
behavioral1
Sample
2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260709-vz2faaft6z
- SHA256 ced92b646a9a539ba26467e1b47893b739e42addd2ceb3e67c3e27ea5ddf9fb0
- MD5 5a76b2ebedab4390150221ecd4b79f01
- SHA1 b6313e8a2ffcbdc07c9a80a43614fd2411d2a516
- SHA512 922309ad892242be4932a904fc0a62eee080008564bbc49e1eda1a9d285025e6c432ef084202eb85c9d498ab2b30ccc17b56adb2534dd2799fbfbde01f69fd72
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqT3oAXjiU4bzF:0fBQGH6SfzoAX+U41
- TLSH T1D55402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- 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/0x000e00000001c52a-6.dat family_cosmu behavioral2/files/0x000400000001bacb-81.dat family_cosmu behavioral2/files/0x00070000000189a1-192.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) \??\D: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1805.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX173B.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX185B.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX1580.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX167D.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1691.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX149C.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX154E.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX157F.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX17E3.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1489.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX154D.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX166D.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1478.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX16D7.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX16C5.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX151C.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX152D.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1719.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX17C1.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX150B.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1718.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX17F4.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1826.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX14AC.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX16C6.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1838.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX185A.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX16A3.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX152C.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX155F.tmp 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_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 2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-09_5a76b2ebedab4390150221ecd4b79f01_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3296
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 321KB
- SHA256 a90ac32358a2cb63948ec416ed1f0e8c929dba33826855a162c9be933f175c2e
- MD5 48dbb58698071f9fce7bfc2d46484a57
- SHA1 b62061eac3a004bc01fe1a1fa305495b19346b42
- SHA512 933e82e0c4df14b68d2f92ed96955bac834de59d2080d0e3ffba1150b225318eaa5e6e277350ae26b79e704b3a4782d917a1b038a90c903c33da32610e190823
- SSDEEP 6144:wFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:HfBQGH6SfeoAX+U4
- TLSH T1C964F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX167F.tmp
- Size 284KB
- SHA256 219233af89c383b764bb370dff467e74f46e42d44598bd03bab54a2e5344f700
- MD5 f8ead0f0af157fc1aa0c7366b5ee463f
- SHA1 70d6f76e1eeb769f26658c1e25072e645080e2c7
- SHA512 01f3c612d9c92d0859d8c26b49002c4e05223dc2280b79e696b242606a30336ba3bbc833e04d378bae1d5e7dad42c773ba53815ff3589d4263040610da9b324f
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:7fBQGH6SfdoAX+U4
- TLSH T1BA54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX17C2.tmp
- Size 284KB
- SHA256 3cd063847049129413b43894bf592278bafb4889b24f0276a24d9d9f79020054
- MD5 e445adbf2548c820bcd905b6c154fed2
- SHA1 d1f4c2554ad6fd71dca7df623733f41b44f4984f
- SHA512 732f3f99807bc8c4b514ab2c472f3f8b1efcbd9208b45dd6011570bc7d1b411220b8537749ba6a735264d525ac91c1ac03390898e82464748b0b848006c627db
- SSDEEP 6144:IFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:/fBQGH6SfwoAX+U4
- TLSH T1955402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH