Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 04:11
Behavioral task
behavioral1
Sample
2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260813-esae8aar8s
- SHA256 7b481b691e26cd9467d750345cab46f3ae010ffff3507560b93dba6e14afd8a3
- MD5 940ed95c17793f27532e6b738dcc0e1b
- SHA1 fde2c5413f23d65e3fdccc65703b5022314e9e21
- SHA512 9d82f48b0398ffe4072e59643d29b5e56fb4634862d873c61b91393436cfc2941ff3ec874953b363fee897a3902aeda1e890ca00ca6126c45b4edaf8c2e99325
- SSDEEP 6144:AFlKgzelZNQSBQGH/CSpWqTwoAXjiU4bzF:3fBQGH6Sf0oAX+U41
- TLSH T1AC5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA361
- 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/0x000e00000001c3db-6.dat family_cosmu behavioral2/files/0x000d00000001c3f5-81.dat family_cosmu behavioral2/files/0x0005000000018973-192.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: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\RCX2FE0.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3160.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX31D7.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX349D.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3194.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX328C.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX32AF.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3037.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX347C.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3057.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX3300.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3301.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3059.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3161.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX31E7.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX32BF.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX313B.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX31C6.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3015.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX313C.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3193.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX32D0.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX307A.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3322.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3025.tmp 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_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 2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_940ed95c17793f27532e6b738dcc0e1b_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5940
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 323KB
- SHA256 ec9f15a892576114f05900a4026986f0bcd1999789555d7b9f78ef276a30d012
- MD5 10e6d8161997224bf9335f45af618689
- SHA1 c00f0808938bdc731cb5d768a32cabd7bb2300b5
- SHA512 0da33c6d65c8ea825931fd1a4804d9fd0a15776e7e44f7cff29ccd55f987555ff1cf0e7dc90d7923d91aa8c161c72ab5dd3ccfc8d8845a02339f59c4db5f9f3f
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:mfBQGH6SfeoAX+U4
- TLSH T15564F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX313B.tmp
- Size 284KB
- SHA256 b306bf5537628e36ac50704ae0eef3f58f812cac17382f78df7369ce6ec97285
- MD5 b1a354ea2f494e21408ab4a36607c1e3
- SHA1 dd8ae9622b2a19fd2a976a25a144f1b207aef154
- SHA512 24d1b93817beae031dd4c13a68b31c609896baf2e8da0dc0dc098d2400b582dbd6a2e2ff1364c1be0fe969ab45cd3d057071cec427d1da54f8dea842c26a7aa2
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:afBQGH6SfdoAX+U4
- TLSH T1C554F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX329D.tmp
- Size 284KB
- SHA256 74270b10c4dfd5ec6bca8d19ca5092d55d1905470c071ef7a87865cc614a3649
- MD5 d26e8e0cca186f889578023482d35965
- SHA1 cacd158e0520740e93d212f9745af995e408ba1b
- SHA512 21adef50cf1fab2e62463c9cc05f5a4d70d3d11c6facd813b7137c442201810ed63efc799fb71a399e95fdb7362e6c6ce046520bedf58c92da40b35663aa7199
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:+fBQGH6SfwoAX+U4
- TLSH T1175402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH