Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 22:30
Behavioral task
behavioral1
Sample
2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260817-2e3aeaea82
- SHA256 c8ec2980a931a3b51d1e3d0eb06844545ceba2bded42f2c26cdb348e26bced31
- MD5 3852aee3761fa21af091713743cef21a
- SHA1 e4eeba17094c39eece5a07ad5bbb34a680e08d06
- SHA512 996076b4c053b005a4d107f7819b9858b9c14b009ddba0bda57302bb78745ba7fca928ca9543d3b4431c14fe40727eda74bdfe57d9f0e21b60dbe73152784a03
- SSDEEP 6144:VFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:yfBQGH6SfJoAX+U4
- TLSH T1EA6501817AA2D8B3D4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
- 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/0x000d00000001c5d0-6.dat family_cosmu behavioral2/files/0x000c00000001c5dc-81.dat family_cosmu behavioral2/files/0x00070000000189a1-192.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: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\RCX3D04.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3A62.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3C3B.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3CD0.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3845.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3823.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3834.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3968.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX398B.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX39AD.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3A00.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3846.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3C1A.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3C9F.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX37DF.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3899.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3D38.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3C5B.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3D37.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX39BF.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3803.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3802.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX39C0.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3978.tmp 2026-08-17_3852aee3761fa21af091713743cef21a_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 2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_3852aee3761fa21af091713743cef21a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4468
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 327KB
- SHA256 89ab6b3c42b428134528463e5fc27ec8c52faf44ac892d6202d902a99f19ebd1
- MD5 f7e45cb8cff122afdde926f52e8c9e02
- SHA1 813c3498bd8972476f384f84043613b238b456f3
- SHA512 337029664d672a6998fd550e7029b9ed71f92da1b2c9123a2fa271b102a7eb0411343cf1e4327a3f6de6f51df9c3288a5094c268011087210fb01389555b69b8
- SSDEEP 6144:7FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:EfBQGH6SfboAX+U4
- TLSH T1486401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3978.tmp
- Size 288KB
- SHA256 fcafce84fb75271ff41d5a0a8605566c976dd83cc0de7a17030ed114eaef121e
- MD5 bbcac4378a200e349c794899603fa291
- SHA1 4c1f533eba4da2dc7aad59e6a4092a40f8e8987d
- SHA512 3c2e5144f53ca630a57109b45f6fe2eb4b47892740ff856b99467e368a03a9914d53e7caffd64c45fa5defc7939d488f266b543f3c86364508d33df1ba92e245
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:YfBQGH6SfRoAX+U4
- TLSH T18F5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3CA0.tmp
- Size 288KB
- SHA256 e5e03c162b16ee120d6388e0e6d045568e0025ccbdf73f29eba8c7e833f6de3a
- MD5 fa18b715b2310e88d2eed5624485f300
- SHA1 1488d4125a975da489fd4f3fa71460148e867e44
- SHA512 c449d209debf48e0da8e8d32c1f246a696be2571acb1482dc94df36c410f3a7ba839029ac75399c9999e34028cc202413419e7f752dbf661ba57cbfd053717cc
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:0fBQGH6SfooAX+U4
- TLSH T1505401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH