Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 17:23
Behavioral task
behavioral1
Sample
2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260815-vyevwsem2z
- SHA256 41026f2eaf112fe47a6c7da855716b90d6dea106a3b5740ee027c083cc1b40a3
- MD5 f4fe10a0ef5a7b0cfe884b3282076491
- SHA1 a6f08f9ce365bcc32dc8e6ef6e007e9a13078fa7
- SHA512 fa435885b25a4b33999b1c77c1ca38a6f2eef8ec204093c0c08ad49e3cf447a795422da21b8a42048d1131633989f7b28ac17e5e52274e0dd7561fca34396280
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTwoAXjiU4bzF:ZfBQGH6Sf0oAX+U41
- TLSH T12E5402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- 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/0x000f00000001c4df-6.dat family_cosmu behavioral2/files/0x000300000001bb55-76.dat family_cosmu behavioral2/files/0x000d00000001c4ec-81.dat family_cosmu behavioral2/files/0x00070000000188c5-192.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: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1DD4.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1D7F.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX1A7B.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1BCF.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1BF3.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C05.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1CDA.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1D91.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C36.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1C9A.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1DA2.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1DE5.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C04.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX1A8B.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C16.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX1DB3.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1BAB.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1BCE.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C15.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX1ADE.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1C99.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1D7E.tmp 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_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 2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_f4fe10a0ef5a7b0cfe884b3282076491_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4256
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 321KB
- SHA256 52470a383b095dfef6034de9f514680d53d197b32c5bcf831d520ebbe5d8d234
- MD5 78e027155dc286d6b74078e0fd27ac78
- SHA1 7b2dd65d7d82cf9203272e5f72ac98a2978cbbb7
- SHA512 d53a63fff55cea45b83da467ca3fd733ef4ba150a75cf8f2b703fae02bedd4b4217525471a01a1a54fd6d7b82e70157af5b832b98898a12c7f5a1d0f88985668
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:+fBQGH6SfeoAX+U4
- TLSH T10A64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX1BCF.tmp
- Size 336KB
- SHA256 bc89140f8e1badb1e73e2c7c49082a8e09cc297a9fd555af620c33f76d98676f
- MD5 878627855fbd941b0367a63129123baa
- SHA1 76abcd9582110555c5ad28c8179cca64bf7dee72
- SHA512 a66c896e6c12cf35487c5dcfbd3880316090a37b58dc20f078ba1f8a7a9da2414d96a7a19eed2b196dd55c0857e469f51c428374d257fcf833020fc9fcb225dd
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTStnRPF9cCGryoAXjiU4bz:FfBQGH6SfanRNhZoAX+U4
- TLSH T1B474F1567E93D4B3D040493098A78BC2873B6C57AA66E103FFE93E472FB13905A73652
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\chrome.exe
- Size 1.5MB
- SHA256 e858052d1c194f89ae432d637223c7310d3500860fbf99d13172b33a24cac294
- MD5 a6a9c5f5bbe7245cac06f32c5023a972
- SHA1 5ac53634a9dd30711a0d88a456da3289601f129a
- SHA512 213ce468de1ac73e94deb685adb95b655b01bf8fa40bcc6fc787682c88dd6d5a03f8daf1b730f8bbda416dfbd74966005cf5481839457b9ae8dd20c937103821
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqT9tnRPF9cCGrWoAXjiU4bz:xfBQGH6Sf7nRNhhoAX+U4
- TLSH T1D565F1567E93D4B3D040493098A78BC2873F6C47AA66E113FFA93E472FB13905A73652
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX1D7F.tmp
- Size 284KB
- SHA256 7cd235b8a525b212eeb7c89fc7749ac2f64da884c9cadc59e7372252c49d3448
- MD5 a13f8e2da19742e895de1e72fb1c2592
- SHA1 a425a6f55254f28bbae5deda255c5b4e47892ef6
- SHA512 a0e694bbcbe0ed497173470cc4292ba2356aa7a1fa1d49fc7a2fde1324914f67b028c5a3f2e73a97fd3b037cc905dcde8bcfe92091ad17959b03b64ca8b8a714
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:WfBQGH6SfwoAX+U4
- TLSH T1F45402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH