Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 16:11
Behavioral task
behavioral1
Sample
2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260804-tm7wvsdd89
- SHA256 d2bb7d2249af129ee0f2a73d9e746e53f0a00786fe8e0182473a54e2ec561c01
- MD5 3818b61ecefd002ae5b965b1f029640e
- SHA1 2024bfb38bc1bf16e290ba813bce1ead8e225e32
- SHA512 f70881bd7990022d084a614efaef560670aa80420820508be3ce127b003f99f57b08bb767ad09cc9063f760b34daaef2d7db54d60683583d802ee969851ffe93
- SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bzF:JfBQGH6SfRoAX+U41
- TLSH T1275401917DA2D8B3C0419A3148A6CBA197376D139A65D203FBAD1F4B2F713D49B7B302
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 3 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000d00000001c524-6.dat family_cosmu behavioral2/files/0x000c00000001c532-81.dat family_cosmu behavioral2/files/0x000700000001895d-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) \??\N: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX93F.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9A2.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC53.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6E0.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX8CB.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA15.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC63.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC64.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX744.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXBDF.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXC30.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6CF.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA26.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX8A8.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9C2.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6BE.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6CE.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX873.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6BD.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXA05.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX755.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX883.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX898.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX93E.tmp 2026-08-04_3818b61ecefd002ae5b965b1f029640e_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 2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_3818b61ecefd002ae5b965b1f029640e_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 338KB
- SHA256 b5f76e7be9a3c9227069bd301b92161959c6bcb1a5f0890995c39e67984684b2
- MD5 8d6f3867843238ca9b231e3c64c47aa6
- SHA1 36b1cab50ee6ec927ae17f819ff99f64cfa6e71a
- SHA512 c68a9e5cd2f86064471ae44d2d0fa024ddf7a14affc250aa392c006c9954c53fac07f237a5360a742e00633d44be845af190023adafc7e8c3cc27e7f869bd899
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:ofBQGH6SfboAX+U4
- TLSH T1D37401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX885.tmp
- Size 288KB
- SHA256 1eaf8b0851b798a28933e333622e2540be0157cb31db1d16752d6e753ee0952c
- MD5 d1ba9de24830b7913ef2a8fd2d03db96
- SHA1 34cfa2ec2a86bb6cada0eaf66b230ab35f6bb5ba
- SHA512 943838881b78b4bd5caccafb25c4cb067ae65e9f966d89d9246c8895743c91da27b402816b7552b8e47d8cb438c175798a1668c71c76665e3fd54ae7c3530833
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:MfBQGH6SfRoAX+U4
- TLSH T16F5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXA26.tmp
- Size 288KB
- SHA256 fd4589f960393aa4ea4f508c7997978ddcedbd8b4ac7d5cbc6b0a268bf529528
- MD5 4b8d8457f0802c2a0dd7ac1e2aa06797
- SHA1 21a786a9ee925a82042fdb14a7a47e2ef06a7626
- SHA512 dca3192cb1957f8486e2e08613a92446d970b358791976c57d645ff2439712fd4b5138a67df360633c5569a127a2b10400b60b9d959f6caeba9aeab4c5d1dc84
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:4fBQGH6SfooAX+U4
- TLSH T1085401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH