Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/08/2026, 06:52
Behavioral task
behavioral1
Sample
2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260822-hnd5dssbpf
- SHA256 2bd03d50eb268168f926d503fe1a4b1245665a67c366c87c409fa1b247516e3c
- MD5 bdbcf0214afcc1d56e9e4d957ce82976
- SHA1 58bbcd458742b0b91546d6f583644930aceada52
- SHA512 fd38f04805e6b2587f822a45ad2b25ac64fab69beb8f21196660dd01d003f9b92496e348aaf7c307903c13f39ad741266b11fee864ae6e949d92515811999276
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:gfBQGH6SfKCBXoAX+U4
- TLSH T15065CFB27B92C66BD4E7C23DB4458557ABF29B024D13926397A0EF3DCA392814DDCC42
- 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/0x000e00000001c437-6.dat family_cosmu behavioral2/files/0x000d00000001c442-81.dat family_cosmu behavioral2/files/0x0005000000018973-192.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) \??\I: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_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.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF37A.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXF523.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF368.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF37B.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXF1FE.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXF3F3.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXF210.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF354.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXF2A6.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF3B0.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXF478.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXF242.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXF252.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXF3C1.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXF49B.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXF4EF.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXF1ED.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXF39F.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXF275.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXF446.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXF48B.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXF4EE.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXF211.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXF3D2.tmp 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_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 2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_bdbcf0214afcc1d56e9e4d957ce82976_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4748
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 323KB
- SHA256 76806e530526f13d2a869da4874f367fcbf1c368cb770bcaa4dda727fea012ba
- MD5 55790d3861b1e04eb7fe0c61133a36de
- SHA1 7fad01b180440a4266db820320361dfca57f3c36
- SHA512 b6f229edb0b18029254e6cdd753b52b3b119c1d11b654849e177016652dff4b414c4ba74761e0afdbf9ffae01a9efbb26d383f7d24485874a9d1171f9080421f
- SSDEEP 6144:zFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:cfBQGH6SfeoAX+U4
- TLSH T1D564F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXF367.tmp
- Size 284KB
- SHA256 8424d74bc16307d833af47ae91afad51eda314858a0a450a82e5f81999c9db17
- MD5 c65e384aec864db9282016e6467220a9
- SHA1 754e6efcbdf35c61ea8beeab88ae44e5774352c3
- SHA512 fe01dee838a481f4f111080f77b3c5ff5024a5939b4be17b735a57297c81e96f440c64f0d2e3a1916b401f01d8a7d69ff1c6fff236be23835c3fdf8b2fa9d25f
- SSDEEP 6144:PFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:gfBQGH6SfdoAX+U4
- TLSH T10054F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXF48B.tmp
- Size 284KB
- SHA256 09cf12a0f098a7a50ea2de5c42fde0a8c0c4281d32b573cf2a117b29e6d6229c
- MD5 5c1256f6db72bce91d9d7f7064749ae7
- SHA1 d6ff25b6413bab6fd828424584d580e8ef7b5861
- SHA512 056547e42c07457d9e194dee70cddb33ac418890f8f3ac5301bd240afa453026cd4339e7faf5d1d39d30c5d239fdb1c4ed9eb964a34b12dcbb86b712e98b2eee
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:sfBQGH6SfwoAX+U4
- TLSH T1305402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH