Analysis
- max time kernel
148s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/09/2026, 22:25
Behavioral task
behavioral1
Sample
2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260922-2cclzagg44
- SHA256 ab694ed95b707144598fb3a24912b27edfce5d2570b37124072abf2feccd6344
- MD5 113ea2425ece18aef7d491ccb97582b5
- SHA1 dd55baea8f80586e44e0e2b99e2e50974a32f8cc
- SHA512 6ec587979de789e8247f6b2cab8cfbbcea79bf531f2d49124a18e64fa443b8daa3124ef929cfedd479058792a313f3f5da35dd6c9d108abe0642d90f9513d550
- SSDEEP 6144:IFlKgzelZNQSBQGH/CSpWqTaoAXjiU4bzF:/fBQGH6SfuoAX+U41
- TLSH T1065402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
- 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/0x000d00000001c460-7.dat family_cosmu behavioral2/files/0x000400000001bb3f-81.dat family_cosmu behavioral2/files/0x000700000001897d-193.dat family_cosmu behavioral2/files/0x000300000001b96d-250.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) \??\K: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-22_113ea2425ece18aef7d491ccb97582b5_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" 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFAD7.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFD29.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFD62.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFD94.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFF24.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXFC98.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFE05.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFE28.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXFE7A.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFAE9.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFAD9.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXFD2C.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFE06.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXFF12.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXFE4A.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFF34.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXFF35.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXFC77.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFDC5.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXFC76.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXFDB4.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXFE9D.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXFAC6.tmp 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-09-22_113ea2425ece18aef7d491ccb97582b5_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 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-22_113ea2425ece18aef7d491ccb97582b5_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-22_113ea2425ece18aef7d491ccb97582b5_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:4956
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 322KB
- SHA256 955beda0a10b53d5f95ad80d4ddfdd60f4ba856222e98b0e69c80b75fa96bb35
- MD5 01b69d7bbf8ba504b71a97dc0342a7d3
- SHA1 5da23a310f1023b4d8b6f89337fd7acda50e4d5c
- SHA512 27bfc0f371a85a5ea3e850fb6099d531bf8b3d6830b8d96b7e6d721692c1f01ad3398b97a53630b1d8b3377834f593cb0ba07b67270a909d2a17b83d2670f40d
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:ofBQGH6SfeoAX+U4
- TLSH T1AA64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\chrome.exe
- Size 1.5MB
- SHA256 c7a81488fc5dbe0645b49e7547e5f372ee031814cc18d0c9aab55d6a1f20a55f
- MD5 71d87e8cffad1ff188dd2e4c437df876
- SHA1 57a4afda7d154c4044a5186d97df579a0beb7beb
- SHA512 ee8f1214689e1b8e931606b3ef5285eaf55cd1312d6cc3b650091ff1f9bd7ca76a39b7b08d9bb6f1b543fcf3269d9d5cd1ac2ac0b1443da7d6b033ec99cdfa67
- SSDEEP 6144:TFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:8fBQGH6SfDoAX+U4
- TLSH T19465F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXFE9D.tmp
- Size 284KB
- SHA256 8ed95867bfe2cf36c308edbddfb07a9e3e09c30f42cb85dd43c9ca11952d367a
- MD5 6fed2016872422e25e844ba44c83e688
- SHA1 45e1c67ccb3a93205ce4872717b093f8ffcea710
- SHA512 0e59ed7b24b07e962c046816e57f61a6d14042ae601ef00a676d9522cebbd31195b63ac928df5b468508771ff445a884a5ca6334184e2dd4a704935de62b91e3
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:YfBQGH6SfwoAX+U4
- TLSH T1C25402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
- Size 346KB
- SHA256 6aa4786af0eb2a77e01e6614954e2d4844c3104cfbe626b1819af850161cf3a8
- MD5 89c18e43f2f8e7ee2869453be53ff3a5
- SHA1 0ac6aa28d53e34f4b49b951f33062809e2e45b68
- SHA512 6b3a81b8b06c7fffc2a424e52da79a61b978627abbe187bcd58b3e47e4b3e606d26c6f3d2ac6b97bb6cd73ff50a1c8d89cc7a0b482c56af55ec851d7b16d5262
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqT3UjD56oAXjiU4bz:4fBQGH6SfDUjD56oAX+U4
- TLSH T14C74F1413E93C4F3D441093188A78FE18B3F6C23BAD5E207FB993B4B9EB13845A66655
- MD5 SHA1 SHA512 SSDEEP TLSH