Analysis
- max time kernel
148s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 22:03
Behavioral task
behavioral1
Sample
2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260730-1ys1eaxhpg
- SHA256 f602674a04d19e7d3bddf183a150dfb2afda33c1a086f55bb1f189cfb1d757db
- MD5 e8e63ca065f1b0158bb21872b20966c2
- SHA1 5210fc20fd2a6c2522ba01e688f580a65d4aa775
- SHA512 89e1ef19a4e1547a933606d6178afdb3a211d4c098de8b5eec75bf225e8e6116cc7ff3f2e9bbc26c1ae6f5676136d7078c4c6ef68530fcf2275a96817ffa8b10
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bzN:9fBQGH6SfNoAX+U49
- TLSH T1895402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
- 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/0x000d00000001c52e-7.dat family_cosmu behavioral2/files/0x000400000001bacb-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) \??\N: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_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" 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_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\RCX1277.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1278.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1542.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1552.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX14BA.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX15A9.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX110E.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1598.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX15BB.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX12E0.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX14ED.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1564.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX12CF.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX14EF.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1599.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1279.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX1186.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX127A.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX129B.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1565.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX129C.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX12BE.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1587.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX128B.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX151F.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX1197.tmp 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_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 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_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 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_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" 2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_e8e63ca065f1b0158bb21872b20966c2_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_e8e63ca065f1b0158bb21872b20966c2_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:1312
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 336KB
- SHA256 b3b5c859ee269be6e4fbd067e464470018f96ddec725e4f2e5c3e2b322312e5c
- MD5 458b03541351df9f462aa2ce79370a9d
- SHA1 aa659e75b788279bf4083be9f295ef01674adb4d
- SHA512 a3abf01c5b64ed2ffdf6088def4f191db650f04f35c19707b3656f262ea4428036dc5c18c4eb8f895e70adfd52cb5502b0b99aadaec35abbc7af0a05e9226e5a
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:4fBQGH6SfeoAX+U4
- TLSH T11E74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX1278.tmp
- Size 284KB
- SHA256 ed6b7b1f45504e367fbb6a1b3cfc249e47b77481164a3b0cb59e43c0045e3b80
- MD5 96246ca665682c8c98c25851139c484e
- SHA1 1ed8b31ed088850922be1047b2b1b46c567ca8ec
- SHA512 3ddf4ed37a5d0dd2368fc3ccc88668456743a4e15a9eae6d5500eac446b04bb458e21bef90a647a76d018c40fbc3abe6811b6d7302dc7890c7290b036074d3a6
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:MfBQGH6SfdoAX+U4
- TLSH T18854F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX1542.tmp
- Size 284KB
- SHA256 0236ddf220ef38334e941ad492d0ae98af967f04b15c162ef561f8025cce52a8
- MD5 7b5248c4f46d4004ba3620b420c6ebfd
- SHA1 c2b0c127e389fcc6bf3c30b46b277907a737b17f
- SHA512 8ad36e83a9205a39d70137c55ef9053e057d1ee2017d94421903055ad8d964ab740f3183beda0582153a7ebcafc8f0bde5bb577f449a09e8511949b3fabe7260
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:ofBQGH6SfwoAX+U4
- TLSH T1095402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH