Analysis
- max time kernel
150s - max time network
117s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 17:06
Behavioral task
behavioral1
Sample
2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260816-vmjppsef99
- SHA256 a0ca681eb833389ef131d9ff94aad9a3b5389e08a4f740b31a19bdada25139c9
- MD5 b2a591a0ab5674200f9ecb91aab40bad
- SHA1 ea3c666eb803088e038b521254761e73f71bd21c
- SHA512 09d6baf16541dc7ad2f389b023dcc59664a6dcf237a8624a77b1fa797067f220997e869e5a7ae48b49a494170829c5e839d99677906897081309697449a0e9b1
- SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzV:zfBQGH6SfRoAX+U4l
- TLSH T17D5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 5 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c501-6.dat family_cosmu behavioral2/files/0x000500000001849e-54.dat family_cosmu behavioral2/files/0x000400000001baa8-80.dat family_cosmu behavioral2/files/0x0006000000018957-192.dat family_cosmu behavioral2/files/0x000300000001b8a9-238.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: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_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\RCX4C27.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4E0B.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4E3F.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4B16.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C15.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX483D.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4CD2.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX488F.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4AD5.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C6C.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4DC8.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX483E.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4D12.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4AE5.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C37.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C6D.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4D55.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4D86.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX481C.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C16.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C6B.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C8E.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C49.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4C03.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX482D.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX484F.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4E4F.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4B17.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4DA7.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4D23.tmp 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_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 2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_b2a591a0ab5674200f9ecb91aab40bad_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4064
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 323KB
- SHA256 05c2245b93a66303ae964c5047e810818344a93a02fa89587dac1d6d2bcc606b
- MD5 f345fdae5089f8879cf42ba0deee8fb5
- SHA1 5f2cb8b2bd93885fb59a909ea5ebf819a63fc460
- SHA512 81fdc5509a922a3492143e03615aab0cfcd1782d848a746755630cd859c1e1ad7c9bdd281937bd64090a7c7be8acbdb4da10ac5113c9badf08259eefd06794a6
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:SfBQGH6SfeoAX+U4
- TLSH T1AE64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\chrome.exe
- Size 284KB
- SHA256 17880b02c99a8279dab1810f1f940f8ddfc68868ef5351ae509c6638875b236c
- MD5 40138c9ed5428978488727cdd075cc06
- SHA1 087be564313bfe2557140f9b364d8ad4b295ad06
- SHA512 84440fcf5ddd846b14452e2ed9be47257e067d5d8ed7e4fbf9e231ad271326954bce34629a5d179d4b1d9d31bda197bf95953486a8e69e72479f19dd949b99ea
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:WfBQGH6Sf0oAX+U4
- TLSH T17A54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4DA7.tmp
- Size 284KB
- SHA256 220ae48b3b4ab7c70866a935374ffae8a0612097fba773f6e342c581083c5287
- MD5 08f4b73a87a764c5ed04495cd2a9a76d
- SHA1 5fb1dbfaef2b2d92b25c4140bcc38b00d8e0655f
- SHA512 1497c00f599b6c266c264a7efc847e19155034342ce7e8ff5820edcdfc87ad10c07cbd2b762fc64429a2f8ee1af454d3ff270a3da388133443e45a9f4003b841
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:KfBQGH6SfwoAX+U4
- TLSH T1B55402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\default-browser-agent.exe
- Size 284KB
- SHA256 0bdc8b0fdb70c812faef0525c47015b342f6d0a1fbd3e116b8723a8592b2a30d
- MD5 dd95c53577c245e794856406abc7ea6c
- SHA1 544c25317c74cc5d1ff56c49885e132f131786e6
- SHA512 95435bec21509698eca585ab5255e26f41ea48c5d5fdb72283f913c1242bb89084b0d16e332cc0472516c9e6f4b13bdb41b386cca2e60cef46f5e045b4c268e4
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqT4oAXjiU4bzF:qfBQGH6SfsoAX+U41
- TLSH T1CC5402457D93D4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\dotnet\dotnet.exe
- Size 328KB
- SHA256 b55e8f95ac28df24b903270d65834f2e11693a8b9bddb1c9695348db938ec487
- MD5 713e232bbde0c205ca902f50836d0c92
- SHA1 9634059462198415b8d4dc1e21f33864c8365bcd
- SHA512 98d479d063fba09e61211a6e5fec27d7b772b6e786c9f6f349f3d0c16c403afcf60d4fa4910290dddb7438656d640d4268a0bf761e15831adc086b6bb8b10a50
- SSDEEP 6144:vFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz1:AfBQGH6SfDoAX+U4F
- TLSH T1E664DF58F94285B2D00C1832CB968AD1773B2C23A5D6E147FBD8FA3F1F7029456D6A63
- MD5 SHA1 SHA512 SSDEEP TLSH