Analysis
- max time kernel
150s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 04:58
Behavioral task
behavioral1
Sample
2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe
- Size 292KB
- Sample260808-flw63stxhv
- SHA256 dce877e1b66d00fae33739175d5c0856c497bf86c242f254a242516808393339
- MD5 7940bb0101dbe144c6687da0cb582012
- SHA1 afe7a0e8ca4d3608d4f681d666e872cfd3bafbf6
- SHA512 e58cf19394ee7dcd8ae5f56ffc65a189480ffd2a0b2d8668fd9932c6c1141446fe1e33a3bdab4984a08bef847fd18597323e87b9e79d2a6751272ca97455fa03
- SSDEEP 6144:VFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bzN:yfBQGH6SfOoAX+U49
- TLSH T1A554F2453D53D873E041493189E6CAE14B7F7C1376A2E21BFB981F4B1EF13885AAA271
- 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/0x000d00000001c5da-6.dat family_cosmu behavioral2/files/0x000400000001bad5-81.dat family_cosmu behavioral2/files/0x00060000000188c0-192.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) \??\O: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7A67.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7A78.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX79B2.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX7A79.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX78CA.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX76FD.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX78FC.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7ACD.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7A26.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX78B5.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7A14.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7A03.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7ABC.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX78EC.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7A9A.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7730.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX77A4.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX791E.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX7773.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7892.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX78B7.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX78DB.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7A57.tmp 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-08_7940bb0101dbe144c6687da0cb582012_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 2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_7940bb0101dbe144c6687da0cb582012_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2896
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 330KB
- SHA256 54278b8d99e76dddfa84a056de23550d4a065f9b7e76e2f2a82d5c30064c0695
- MD5 625a081a0768976fc05762b75c8e7c5e
- SHA1 8d3584c807ac2810fcca1142efb5e0e2efde49f6
- SHA512 c861ee6fa3e2846ca050594a0c3175ba60bddc6d630eddb91c0b87fbabfcc344ee917716b4f5c109103c6ac5fe08c782d222450ba7811a3ca8e82d462ae2c986
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:pfBQGH6SfeoAX+U4
- TLSH T11174F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX78A4.tmp
- Size 284KB
- SHA256 14742bd318b867198f8cbcc446d53149df63f2aeb0aea0db2963ebc2f3476d85
- MD5 bb035ef17f5ff1714d07148ba7c614ab
- SHA1 66025e8eaf5326aab1b89980566c56e688bf5d21
- SHA512 62b1b268a67ed346064d256b9002d221cc038039c03a0c0187b1d243ba1a0a36678e7cfd35a26be2f9384599f95254c6fceea41f5b4c6c9e2869a171a84cee64
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:tfBQGH6SfdoAX+U4
- TLSH T1CA54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX7A26.tmp
- Size 284KB
- SHA256 d6b68087149d2d6c8968de6c6a819f7687ef53004273270e6e1f904fe5b1293e
- MD5 c49d649405c0a747832514b60b13147c
- SHA1 78bcfc65481ebaded5b1d7990d5c782332fa0773
- SHA512 e9264e9f72a84b6f17d99e27d9b886d19e5c2e0062e123bb161c635b1dca9fd9c4ab189c79974cd1b81cccca06625a12aac8d635fcbabe71665aa244579addef
- SSDEEP 6144:uFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:JfBQGH6SfwoAX+U4
- TLSH T1FB5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH