Analysis
- max time kernel
150s - max time network
145s - 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, 11:01
Behavioral task
behavioral1
Sample
2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample261102-m4tl8sg141
- SHA256 742c6a62a43dcc8ba9be2b7c30054b933d840aa0e5bf6c901a8c158bb6ba9810
- MD5 b56b56f50ec48bcba8cf3eb39bec93c5
- SHA1 e323eaaed115bc2a177a5521cdb1675f728ee3b0
- SHA512 9f95a721100e221b2ba76386db0b22fe31016b9ce195e509e0f8ac8fcba0df301019017130a7968513bda6082cbae4775a2e0772af6999eb027fc1f3dff518c2
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTToAXjiU4bzV:9fBQGH6SfnoAX+U4l
- TLSH T1C65402457DA3D4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- 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/0x000e00000001c463-3.dat family_cosmu behavioral2/files/0x000400000001bb27-86.dat family_cosmu behavioral2/files/0x000600000001bb18-188.dat family_cosmu behavioral2/files/0x000300000001bb29-184.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) \??\I: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_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\RCX3F6E.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX40FF.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3D4D.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX40ED.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_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_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4098.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX40EE.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3FA1.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_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_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3D5F.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3FC1.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX40A9.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3EF7.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3FE4.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4006.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3F80.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3F6F.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX40CC.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3D93.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_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_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3FF5.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3ED3.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX40DD.tmp 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_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_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_b56b56f50ec48bcba8cf3eb39bec93c5_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5960
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 337KB
- SHA256 a73ac7c74677110bf0639a8119f520dc6fdb33b46ec85ce285e4257f827a1caf
- MD5 539aed1953b966967e0dafbcaf4f8bc9
- SHA1 8d8e7c999e46e9ae464291735938ac442b6c43e4
- SHA512 40efbf0ddf8862b4df17786a15f4fd63feb3cf6f26b49411683f2a9cdae575d85ae637ad466f15abf64c48de052ec3fd03aeb08324362d4ef7c4f9446748d857
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:sfBQGH6SfeoAX+U4
- TLSH T18874F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4006.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\RCX4007.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\RCX3EE6.tmp
- Size 284KB
- SHA256 77089045d345ab8470cabd1595ccbf659542189b39630f28fb9bf97d7d1082c0
- MD5 c375607a9783304993bfac4c40d20d05
- SHA1 c1eced6d1f6602a0e76eac64340971570fd58766
- SHA512 c014a03a8a4b495c9e99a624be18224fc52164d2143cb5f44496d8f04224a067c2fb6d2c3e74a6986548210b20db69e632b5353e2a32eafd78bd7d3644b75fd4
- SSDEEP 6144:/FlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:wfBQGH6Sf0oAX+U4
- TLSH T10E54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH