Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 00:26
Behavioral task
behavioral1
Sample
2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample261027-ardn2azybx
- SHA256 503b513bd56d7436fec567140033e3713ba34cbf7f53d27d412e4fd171e0634e
- MD5 6fcd49026f1ba4a7997bbf99fc1aa210
- SHA1 5003ca49189d7797c8e80274d8414088a325d1c9
- SHA512 db6d96583084fbd25ba004a217843e294728ff0c91d811b5c687b84e6ee589da6dbb0c00bde243bf68cd45ed7294941a36866f6c4c9dab67cec275e34b79767c
- SSDEEP 6144:ZFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:ufBQGH6SfioAX+U4
- TLSH T1816502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
- 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/0x000400000001b85a-4.dat family_cosmu behavioral2/files/0x000d00000001c4c7-87.dat family_cosmu behavioral2/files/0x000300000001bb41-185.dat family_cosmu behavioral2/files/0x000d00000001c4cc-189.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) \??\J: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\RCXACBC.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAC75.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXAABE.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAD34.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXADB7.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXACDE.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXADB6.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXAE1F.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAC62.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAD33.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXAE0C.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAC87.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXACF0.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXADEB.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXACAA.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXAE0D.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXAC98.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXAD13.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXAE1E.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXAE70.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXACEF.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXADC7.tmp 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_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 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_6fcd49026f1ba4a7997bbf99fc1aa210_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:4460
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:6000
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 322KB
- SHA256 45bfcc1d0bc627696360afb088bddddd424af7cdfdb8625660940524b27588a8
- MD5 402df70b1613008ba74396fd2a9b68a3
- SHA1 ace0e0ff6bab665a66ef54424a0c174617198d1b
- SHA512 f12b1b69e2fa14cb62476f4892083e9c3104a3333ee7bb944fd3b02d7dcabfb655fddb62c142619d0c8eb6eb2ab1ac32a0b356989aa32f26e4572501c0af83b8
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:rfBQGH6SfeoAX+U4
- TLSH T19464F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAD66.tmp
- Size 284KB
- SHA256 c48f8951fbe5f3cfb34c91efe7504eb615c432f24d015c10e0ccfa650d07d8d5
- MD5 ece36f69954ec138eaec9c2c0049205f
- SHA1 1c7697cbb90ab30a771ca73a459e7ff96bf8658a
- SHA512 b16a4e1fedd3d96dbd9331bb6866601821f7f320df7e868f3eedb8d80d70c0b52850ade3d3b364dca720cdaadaa8d9ab7d92584f36ca5b1501ac6c6aaa08a6d5
- SSDEEP 6144:EFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:jfBQGH6SfzoAX+U4
- TLSH T1345402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXAD67.tmp
- Size 284KB
- SHA256 e80d7bfc9006689113fbaebda176d21f75736e2e6d6a43681a36a7acd6a3fe76
- MD5 84a4b35c83527de6859b98d990343553
- SHA1 399535b06c356f95c8678068395c5eee0f246ff2
- SHA512 5ec064506b879f60cce5f58f010ad82e3750f0e9a109a2b9de63f9b760f52df40f5259ce32ed7d7f9927aaff1176225fc6dd7f121078b0c2961ff988256ff784
- SSDEEP 6144:cFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:7fBQGH6Sf9oAX+U4
- TLSH T1FE5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXAC75.tmp
- Size 284KB
- SHA256 3d61ed5d4a674af4e71dd796c5ff825101a7d1c1f5d0906d8a8903d15c2f1113
- MD5 f82cecbcf6e2dc0ae2ab638e627cf64d
- SHA1 c73401235e3583214521cc674652d20d21cb16f5
- SHA512 102a110e36fbb4a4cca709103a4cf6e6c4c38fe012c4f8ef47ff4a4e0fd303d1c06687f9bc2b544cf5d9fd714da97b59b6dda01f4c85edeb5aa96626220c2475
- SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:vfBQGH6Sf0oAX+U4
- TLSH T1AF54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH