Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 07:09
Behavioral task
behavioral1
Sample
2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260718-hy3kqsfs21
- SHA256 cc94873211facad054ddae6ffe05471595ad42be5e5c7bbad248ec6dcdb33a8d
- MD5 8ebbcd6081235a62f6daf41f0b951220
- SHA1 13c008cda6d188895fa2ce13389e15d79bdc4af1
- SHA512 a1ff24a115fb80410639bb3b0daa0e4edad80d9f4ef6a5505acf95c72465fe97a84cedf87559b6dab1533e8b546daa0c769d0029e2871ed5ce1e160f9d818325
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTwoAXjiU4bzN:PfBQGH6Sf0oAX+U49
- TLSH T16A5402457D93D4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13884BAA361
- 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/0x000800000001b88e-6.dat family_cosmu behavioral2/files/0x000400000001bb4c-81.dat family_cosmu behavioral2/files/0x0007000000018983-192.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: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_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\chrome.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4885.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49C7.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4A1D.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49EC.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4BCF.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4BE0.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX48A5.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4810.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4863.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4884.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49EA.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4841.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49FC.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4A1C.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4B6F.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4C89.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4C55.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX47EE.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49A5.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4B10.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4C67.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX47DD.tmp 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_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 2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-18_8ebbcd6081235a62f6daf41f0b951220_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2580
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 329KB
- SHA256 2070a24a7b1d004b32a2f4a28b4972283838f4809ba7ed2c81792218a6096513
- MD5 4b96b02514510d057d657393b8c6d4b5
- SHA1 3bedeefa3667067715d6f1a8024cbb7eb7a9b642
- SHA512 f1a4ac0ce83a2bafe617906be1544e24049c30b89b08f37956c99e930e20eb6c7ec7ac94aaf1f5ff3e0a1761bd442dac425015e7dbbe27f5aff3fd5c492620d7
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:+fBQGH6SfeoAX+U4
- TLSH T1EC74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX49A5.tmp
- Size 284KB
- SHA256 f93fad3b7437d90033300ba9358ef70f57be0d94727f01efc916d6dbed33e68f
- MD5 5bcf41b82812dedc868a4414f0ee15f0
- SHA1 918c7c04bc90c03fdcbc2706790f52bb0518ea02
- SHA512 318b29879bb1e56e870a1ce7e695aa32aa7c4b40acc8cbccd9697d98a02201110ca7009eb23066cdeda762d4f41e65eced1b85385c3f0b12b5eadfad3743ebae
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:SfBQGH6SfdoAX+U4
- TLSH T1F454F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4C01.tmp
- Size 284KB
- SHA256 a65a351b1e936a11e18e5d527da16b51e4276fdd3a302cca5126a9652e665f71
- MD5 6350c1560584b13f0be85c5d9437bb1c
- SHA1 4924da0c1d50e49864dc38f17bb8306caf975af9
- SHA512 c42b74c200cdbddc62d2b64ed01755568e61b4a874266cfcdfdb3de4d2442da1b0fd9285df87749f38dc2454fce7aae6148544224fa99888c1ed8c71d1486428
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:WfBQGH6SfwoAX+U4
- TLSH T1CA5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH