Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 22:47
Behavioral task
behavioral1
Sample
2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe
- Size 292KB
- Sample260804-2qptfsscmh
- SHA256 69d37c354a0dbee511cb674da024ac0ea6d966f05b50e02c18d7ae2e5c55d889
- MD5 776039a213f62d66c6f2599202eec609
- SHA1 550532b0d7bb4b23ad438797af4b5035691de20a
- SHA512 7510b5569d06cdfdca344744d65936c63955d4638e67380194dfe8be90460996bcad1bcd67016aa3f36f16ea8589dcce0b6c80990189da97a78fb450e85c2433
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz1:NfBQGH6SfOoAX+U4F
- TLSH T1B854F2453D53D873E041493189E6CAE14B7F6C1376A2E21BFB981F4B1EF13885AAA271
- 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/0x000c00000001c5e4-7.dat family_cosmu behavioral2/files/0x000d00000001c5ec-82.dat family_cosmu behavioral2/files/0x00070000000189a1-193.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: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX63A9.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64AB.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64DE.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64BD.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX65E0.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX63BA.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX63CA.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX6613.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX6669.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6365.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64CD.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6536.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6364.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX667B.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX659F.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX641D.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6377.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64EF.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64F0.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX6624.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6513.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6378.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX6398.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6548.tmp 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-04_776039a213f62d66c6f2599202eec609_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 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_776039a213f62d66c6f2599202eec609_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_776039a213f62d66c6f2599202eec609_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:3452
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 329KB
- SHA256 699d0c446f864423fea212ebf897230460ac650fe8d0b0979dce21a6ab7357fe
- MD5 ab59906aaab561c420804f1a407f5174
- SHA1 eadc867e3c6c978da88b7c7ea5d85bb1790fbc97
- SHA512 c682ae8983fc53c615aabb9a6295bc08938ebd36ce8939a75d3c76f9d78c63f490d36fe91d62b4659a0872b15fcaebbc3bde94beac9750f643d5a499f01af372
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:2fBQGH6SfeoAX+U4
- TLSH T1A864F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX64DE.tmp
- Size 284KB
- SHA256 0b342f6c016d152a69c0e33162868fa5900f1f7941439d21e9587adee2af83e1
- MD5 4196a234ff4ef56f6f828439d0a112b3
- SHA1 6638288d4882bf7dc00abbdda7d0a576a312c159
- SHA512 81a6d1ecf1e7c3fb45df03209eed373ba7e584f9a0e44b49df1af74a1937a32635736228e36b3cda7d8175a565924d44e59d958294786c72d9bd0bca04052d5f
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:qfBQGH6SfdoAX+U4
- TLSH T1CF54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX65F2.tmp
- Size 284KB
- SHA256 326bf9fd201a13ab419e7201976af32d136b783e28fd8f2851a117ad621bf0ce
- MD5 0b924513780b8d42d232d2c38a26739c
- SHA1 43a75bd63a1f3615517c86f9d3a34c1abe3d7dac
- SHA512 e2a253a06b8b3148c8946b8453fb128aaac86be8efe7e913849f52d96241adbc836d745c796a407930b3d1557aec8555bfd2255a36bbbb75b62461e063deaa0a
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:OfBQGH6SfwoAX+U4
- TLSH T16F5402457D93D4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH