Analysis
- max time kernel
148s - 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
18/08/2026, 17:06
Behavioral task
behavioral1
Sample
2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260818-vmsydaxyex
- SHA256 be40e6c6b2390042effe78b84a4a58fb0bdc39b6d058690b813af29bbdd35942
- MD5 abcbcb222ace2faaba6258fe8af0be3a
- SHA1 fe51f3900a77c754b7705ae7bb1a4e7b98cb3332
- SHA512 73db926369b71db4a67e953d0ac0cb932592b6b064a784441c375fda9ba3f1cfa53c8f5a00be86e8a8ac22bd07e2593a4d8b2488745552d318c97dc8b99bf25d
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTfueF/mNyBqoAXjiU4bz:afBQGH6SfaCBqoAX+U4
- TLSH T13A75CFB17B93856BD4E7C23CB1858593ABF69B031D539263D7A0EE3DCA392814DD8C42
- 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/0x000e00000001c4e4-6.dat family_cosmu behavioral2/files/0x000d00000001c4f0-81.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) \??\N: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\7z.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXFE95.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFFB8.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX55.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXFEB6.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXFF0A.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFA.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1C0.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFFF2.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX23.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX56.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX19F.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1D2.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXE8.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFE31.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFE63.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXFEA6.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFFB7.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX1E3.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFFCD.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX13A.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXFED8.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1C1.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX13B.tmp 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_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 2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_abcbcb222ace2faaba6258fe8af0be3a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2420
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 334KB
- SHA256 01abf4197d680a4e89d608378789f1c3f5c45b78ecdb4a4c41cc148d1b8b3057
- MD5 ba5a66829f9e1bcdff63ccd4d1d5a223
- SHA1 b3040c2c1a00b9c358ec03bd7a71053118d09de8
- SHA512 e2252418816f8ddf5ec8885ded5a1324748c8f8f2f1f52cdf25615cabd703abda48bcefbf3b8714219c925fdef1ebefb1498ee8129c1f5da3a60eda2c1fdf19f
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:ZfBQGH6SfboAX+U4
- TLSH T1FE7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXFFCB.tmp
- Size 288KB
- SHA256 f283ebf9570d78bb7672572681f0c44c1b31ebeada562759e1394e025b49a9a0
- MD5 5ef15fa77c002a98bf848dfa3298e8d2
- SHA1 8ed1d69282eddac05f0cd756f8450461f5a637eb
- SHA512 47fe4f5350e94c4df1aaecb0784c1cdfae92254e4b171edef1a784c5403d84132bd589d405c8f61f825512963694023bce8e56abf2596911cc67a144d8245265
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:VfBQGH6SfRoAX+U4
- TLSH T11F5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX15C.tmp
- Size 288KB
- SHA256 9d4aebe7ec522e4c81a6474883b0148a9abe6839a4fed65b22d8918bd0212164
- MD5 1a2784b87a717650ba372d93d0f9fc4b
- SHA1 d6dce542b1edf77bb16679fef0ebe0ab30aaca76
- SHA512 6eb1404962271c92f3e0bd82a3f95cf40888553c63425a00d1dab136efa55741fdc6e3aad1b6e5ee2f1122c93003e45e60cb466de90875f5e3057cfe8ee779a3
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:xfBQGH6SfooAX+U4
- TLSH T1CB5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH