Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 06:58
Behavioral task
behavioral1
Sample
2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260820-hry9qsgj21
- SHA256 479ee0886509e8ab2254c946009870bd01a47a51e1ff5177dd2e05c7d5f5fa00
- MD5 8d1e17fa6950620e2f90e97f1fba48da
- SHA1 d7bdda1246e395b871e6ed17651857ee424c217c
- SHA512 1b44ef993e537fd8c423e7ef6dbd1faa3dbc6407500d774b9d0b586a4a15c8733793817e3ce8c9922b9c208f30758ddbfcd5853d61ac9b007d856a1ad359881c
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTdoAXjiU4bzv:9fBQGH6SfJoAX+U4f
- TLSH T1867501817AA2D8B3D4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
- 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/0x000e00000001c485-6.dat family_cosmu behavioral2/files/0x000d00000001c491-81.dat family_cosmu behavioral2/files/0x00060000000189a1-192.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: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\dotnet.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXF9C0.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB3A.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXFC49.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB27.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB3B.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXF9D2.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXFA26.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB29.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFBD5.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFBD6.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXFD5B.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXFC4A.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXFD7C.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFDAE.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFDBE.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB3C.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB3D.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFDAD.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXFD5C.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB4E.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXFC5B.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFBB4.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFB15.tmp 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_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 2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_8d1e17fa6950620e2f90e97f1fba48da_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 336KB
- SHA256 33f578b465c1bf9feeab46db4e714ea03a951f3babefabfdbb3a0f650495db8d
- MD5 ca43a7d36365d3caba541ba087760bf0
- SHA1 931c130445a5052c0183d8fc96f5d6432768e958
- SHA512 3aea522c618963bb120d5c6d034b615436fb49084652925d0fcdb3160558d23f6095778d89829bcdd8c5f092493dc5d6812b95f14783793492b273f9ddcc4aac
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:TfBQGH6SfboAX+U4
- TLSH T1827401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXFB27.tmp
- Size 288KB
- SHA256 bae2be234c60bd1f3d4f2bd72725ced26e9e01b8efd27ec76157cbe76d82a18f
- MD5 cfe0c845b8919bb9e5a4fc4456f0a689
- SHA1 e6bacc90c766ad8826387d3e89ea4feee03c7ccd
- SHA512 4730abb0c7b179a45af8ac406118d9a2ff68db1431a0ae72207f83a0582f1801ef72e210e56071096e05c0cab578bf45e90dcbb0738fcc069761e8ed7a8d41ec
- SSDEEP 6144:wFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:HfBQGH6SfRoAX+U4
- TLSH T1645401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXFC5B.tmp
- Size 288KB
- SHA256 0566ac98cbe2c74b89a1f152b0e750dfe1a19f686525cdb7393c8aa7703137a3
- MD5 ed51718d64dc7b891df8370bba697f22
- SHA1 b2ef0e45ac0b5740ef232c19ffd97de951f9367d
- SHA512 05f833490774f6ae542046cf2b60f4cc4a21e4a1b2d7b88cc47da1cfaa235e02454f343c0fdac3b6902dd4eabe1b232c3b5dc58ec228b5c6f3d3d451c2840d8e
- SSDEEP 6144:MFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:LfBQGH6SfooAX+U4
- TLSH T1015401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH