Analysis
- max time kernel
148s - max time network
119s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/07/2026, 15:01
Behavioral task
behavioral1
Sample
2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe
- Size 333KB
- Sample260721-sdvdqsycrd
- SHA256 9f65088bae74c04f023a0fd064e27b75c94e774f5151996cd016ca7fb174617a
- MD5 90c88d78df1447cc5541ca9d47313c97
- SHA1 70898d4d46e70e6912bfad042a3e7bacf2784097
- SHA512 2a86884960e30f0a4ed23b5dd87b8fa36bd05c55e5220b83e5ad29d8d6d37cfa23c9ccff15d1a804990c50a26e51e69cf86e49c20e33fe8ff9329c2478561938
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqT9w7oAXjiU4bz:1fBQGH6Sf27oAX+U4
- TLSH T15A74E0403A9ECBB2D3C249318C6EFAA157767C2F9B65D133F7983B0F1E712845A66201
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000d00000001c4fe-6.dat family_cosmu behavioral2/files/0x000c00000001c50a-81.dat family_cosmu behavioral2/files/0x0007000000018975-192.dat family_cosmu behavioral2/files/0x000300000001b89e-229.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) \??\J: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-21_90c88d78df1447cc5541ca9d47313c97_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\RCX3E7E.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4190.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX41D3.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C73.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E6C.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E2A.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3EA2.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX410C.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E8E.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4215.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3CD9.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C74.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3CC8.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX410B.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C97.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E18.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX410D.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3EC2.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX412F.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX41E4.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C86.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3CB7.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3D0A.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX40EA.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4258.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX40EB.tmp 2026-07-21_90c88d78df1447cc5541ca9d47313c97_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 2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-21_90c88d78df1447cc5541ca9d47313c97_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:972
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 335KB
- SHA256 e480fea158ec08d8f4a638c125ff3e663db04c943a6e6f657e22afef68051f7a
- MD5 dd9e6d7708c8119efaf42ef06d2434ed
- SHA1 da4936e53d0fc7871923bbc828254670482d9eaa
- SHA512 d4dd4ff397cbed252e6be1411e2dbb5271677c13eeb7abb9ea01fc978a49f509db477b8de0f4cc6de9c75989a20cf1716b419b91624fed1e5feb02715c2b5534
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:YfBQGH6SfeoAX+U4
- TLSH T16C74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3E3B.tmp
- Size 284KB
- SHA256 2c8922f4ab417328a8b0466e34bddb7525149661cf962d6eab10759007a72795
- MD5 1a66b1821d9d7a6ae132c2ea556050a1
- SHA1 a4914a9448bd2be2226602a58dd01ea1eaa858ce
- SHA512 7d02f411e857ecb6e791149b4652d7bb82409b5b8f86d92445417d3364c5ff9ddf0c73afa89af4d9fa88a0356fd827e97e1f4dfedc11cd956a79df40eea25dd2
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:sfBQGH6SfdoAX+U4
- TLSH T11354F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4191.tmp
- Size 284KB
- SHA256 074d66c787ad774f5841ae2e9649aef286e19c2903601275100a16584e0cfa6a
- MD5 beb5f87327df044916257569b777555f
- SHA1 596d55d894a33faa0f58265f22d24bf5cac266f6
- SHA512 8454077393f03ccdcef6ec6cd9f4b8f722d80cbb38761e40c2d053c9d552de0b552b036c1e71921997398e10f8d7a8849637e529793d2ee933c2778c05fd9597
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:IfBQGH6SfwoAX+U4
- TLSH T1B95402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\crashreporter.exe
- Size 1.5MB
- SHA256 65d682ad1cc0c903ab31d475107fa5777d5b933d8e447f5f73a90186c9d1336c
- MD5 c9f3d6358f35b9326559956427e4e567
- SHA1 13256685b8a99edd2fdea910dc9e4b848e7efb2f
- SHA512 4d0b700cb622f201840b736935b127087c008c0b75b349f032658c9d6583460ce4deea53f3adc1bace31e4044f87663c5d0b097b82cfc81af348d2326366acf2
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bz:YfBQGH6SfpoAX+U4
- TLSH T13E7502457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH