Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 10:38
Behavioral task
behavioral1
Sample
2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
General
- Target 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample261102-mpql2avt8p
- SHA256 7f298ea861dfafec00b16fd0a8addbcff1611151c4dac1e33fcf9cbf30e85692
- MD5 b9109f382f4d44d009d5aa12a56ed3b7
- SHA1 d301f4252f99001f63cbc4c55530f8553e409fc9
- SHA512 64d4d3bae6d72fb2e1b98afcb455fff95c7517787013aa41e65097db933dc42ccad35bf8fb9f3696ce631b9efc2b3d9631d39b0bb00004fa18feb601d42364d8
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTFoAXjiU4bzN:VfBQGH6SfxoAX+U49
- TLSH T1DC5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA361
- 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/0x000e00000001c563-3.dat family_cosmu behavioral2/files/0x000d00000001c56e-86.dat family_cosmu behavioral2/files/0x000700000001bb68-184.dat family_cosmu behavioral2/files/0x000400000001bb7d-188.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: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\Office16\RCX21D9.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1F49.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1F5C.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX200F.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX20E2.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX21FC.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX221E.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1FBE.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1E10.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX20B1.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX2196.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX2070.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2132.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1E22.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1F4B.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX21B7.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX20D1.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX1E44.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1F38.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX204E.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2134.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX21EA.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX1E33.tmp 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_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 2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_b9109f382f4d44d009d5aa12a56ed3b7_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4668
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 b5f9194c9b910a173f1c1bed74faf1ee0c0ef602f9c1996382a83cd976f5150e
- MD5 c694349bc383eba9e77a24582cde73d6
- SHA1 fac865a8e9dd39ec996be8fc58893796c651f32a
- SHA512 e67152178194829603de175a67634e941054af925b0e255819b3c92ff4ea55fa461dd1c12656799bb30a4a9d66fcb0bddb1dc7c7880f7aa42583d42843580f6b
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:sfBQGH6SfeoAX+U4
- TLSH T1C974F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2133.tmp
- Size 284KB
- SHA256 473fc8c5ab43f732706f93fa959784d8bc2b8ec378be6424639956eb18c0ceab
- MD5 7d45a960939a67eaf78015c2d94daac8
- SHA1 39e0e212a5c2852095d63d92f1d105ae90eb0afd
- SHA512 f29e1e4ec96bfbca1d431025c7995ef7939bbf9098e556b11b9f0ad8ec24a4f82fcd143c5ed6ee00398555474e74347861780d272b43e480e3fb86a13e0ab3ed
- SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:8fBQGH6SfzoAX+U4
- TLSH T1255402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2134.tmp
- Size 284KB
- SHA256 0bda8bc1bcb2c75a7850eac36a83d982c0f0e6fce01cb55fe01e25704af05e7a
- MD5 84a20cc73f9a5cc366f66ab8804e6a76
- SHA1 5785cbee6fce8a2572a64c16f041a10a27edd456
- SHA512 210b69532f3abd4798d652faf2d787345e7ebd52908f45fb25706458c3b1a196e2f6de0a702ecfa738d43fb0f31824ba00dd6e152a202ce99e3e49916f9d9115
- SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:8fBQGH6Sf9oAX+U4
- TLSH T1995402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX1F39.tmp
- Size 284KB
- SHA256 77089045d345ab8470cabd1595ccbf659542189b39630f28fb9bf97d7d1082c0
- MD5 c375607a9783304993bfac4c40d20d05
- SHA1 c1eced6d1f6602a0e76eac64340971570fd58766
- SHA512 c014a03a8a4b495c9e99a624be18224fc52164d2143cb5f44496d8f04224a067c2fb6d2c3e74a6986548210b20db69e632b5353e2a32eafd78bd7d3644b75fd4
- SSDEEP 6144:/FlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:wfBQGH6Sf0oAX+U4
- TLSH T10E54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH