Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/10/2026, 10:38
Behavioral task
behavioral1
Sample
2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample261020-mpmkdaywa1
- SHA256 266f3e83913a0948954bb43b9f4a664184ffed416c37c0760beb6707045af2c6
- MD5 b39fefb5ae5c56da4fe7febd065e189a
- SHA1 c802cb9f3aeb6b0dff54c80b71d793b0bad68cbd
- SHA512 c5e79699a911b101b14ddbf88b748ab3525d422852027a7327fa06a78773c7656603bc4ff6826a7b3dbdb92ac90d6b63e8a11c31a9979b4cd4d3779cd1c9f525
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTfueF/mNyBqoAXjiU4bz:gfBQGH6SfaCBqoAX+U4
- TLSH T16C65CFB17B93856BD4E7C23CB1858593ABF69B031D539263D7A0EE3DCA392814DD8C42
- 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/0x000e00000001c597-3.dat family_cosmu behavioral2/files/0x000400000001bb7a-86.dat family_cosmu behavioral2/files/0x000700000001bb68-184.dat family_cosmu behavioral2/files/0x000200000001bb7c-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) \??\D: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A16.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4820.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4966.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49B0.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4872.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4979.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4A97.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4977.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4ABB.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4ACC.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX497A.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX499E.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4A98.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4AA9.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4ACD.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX48B6.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4AEE.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX4ADD.tmp 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_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 2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-19_b39fefb5ae5c56da4fe7febd065e189a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:932
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 338KB
- SHA256 e5db211c497408481cc238b396873dbbc8ec92133080d45895e36253917a2fd0
- MD5 fbaec5442a627bc5d5a856066b67b73b
- SHA1 07e1e7bbe054135b12e8c44bd43991e7eecddc9d
- SHA512 c4613d8c28613596ffe4959ac77233a40be8af040942eae54c60c2b2a8263ce3b18535a6be17317963604bf98e0c7669d0997129f7dac92a8dc9c0a40190839b
- SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:JfBQGH6SfboAX+U4
- TLSH T1037401817DA3D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A47.tmp
- Size 288KB
- SHA256 1eb2338ee943cd987b49bd6fbc62124d5348fa967cfcd4e3ec4364c6d8f7fc82
- MD5 278ec722ddd524bc01ed204e80c857d4
- SHA1 ade612af1cc9f5a29f5736613f58667b66d94689
- SHA512 ce1486ef41c0a638ea5b33c8c79c38893769661dfae481613020478cba34eb53b2c5cfc341ffe8c617998a66c0dea7c79b4a4c0ea2b1ee91e2851b3890a402f9
- SSDEEP 6144:GFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:hfBQGH6Sf3oAX+U4
- TLSH T1005401817DA2D8B3C4414A328CA78FA197376D13AA65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4A48.tmp
- Size 288KB
- SHA256 c2762c33fc9a4ec81db3113a9487de559d5e5ae3040f1327f3c2c66163861339
- MD5 aaedb08c54221ca5c4da73fde274e2a4
- SHA1 b781eb0b6aa845ae10d2f42e44b5acae3928b9fc
- SHA512 e92a07e1ec302601f219746f5f9ca54fa3b0d078b8d1427bd6feeac1afa48781d9465d5874b7b6e2ecf7cb9ef121d9f72b58c3a358d712ed03349fa9dbf98cbd
- SSDEEP 6144:WFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:RfBQGH6Sf+oAX+U4
- TLSH T18A5401917EA2D8B3C0419A314CA68FA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4966.tmp
- Size 288KB
- SHA256 5c355989e44c3f934bbd0ce39341b48b37c0ff3d8db4c1aedb11004da5a68dca
- MD5 9e45e560843bdd89c9dd46480c278996
- SHA1 9991d08da363001b44266324407eb14a0f8d8801
- SHA512 af6c82d3f6d98c75000603595651431600e25f2ad36cf4cd4180da1b5ff18b5fc99197f12ad20c23e73f39343d1545c0ed7249351bd314d98dd26b61fb31597e
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:FfBQGH6Sf8oAX+U4
- TLSH T11C5401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH