Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 22:10
Behavioral task
behavioral1
Sample
2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260812-13rcdafj3x
- SHA256 8e1b2255ad31dee3e479c52351e58dbfa54da5ca297884fc7edfb91f527bb4b8
- MD5 98a745ce905a235124b1f38dacb28159
- SHA1 b58eeccc9df0a3c68899aa25d9cc5528bbe1dbf2
- SHA512 b897c6e0aba74d52ddaeafde1ae579c4a1e5c0ab8d1fcbd24d16b2fe4ee303c47fe8c89b3305809ee8c1fd1a8034bad468205eba3d522d3eac7eb5c391d80995
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bzN:SfBQGH6SfQoAX+U49
- TLSH T1D35402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA761
- 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/0x000c00000001c590-7.dat family_cosmu behavioral2/files/0x000d00000001c598-82.dat family_cosmu behavioral2/files/0x0007000000018971-193.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: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\readme.1xt 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49F4.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4B23.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4BDC.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4B36.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4BDE.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX486E.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49E3.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49E4.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX49F6.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4A3B.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX4B24.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4A7D.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX483A.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX4B66.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX48D2.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4A90.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4A28.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX485E.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX48E3.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4A5C.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4AF4.tmp 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-12_98a745ce905a235124b1f38dacb28159_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 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_98a745ce905a235124b1f38dacb28159_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_98a745ce905a235124b1f38dacb28159_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:5860
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 335KB
- SHA256 8f67929c9aa808b683a6134d5d127547f9bd5c8a4a87c0a9769713378c6b9b9a
- MD5 b8de3205db30ee1957cd20d1a56282d6
- SHA1 42fef15b3b3616acc48f1308cc7246640dc26dc9
- SHA512 b596c58f9adb8e10a56df8445d0f9998e9c44eb5836296a3ed334bfcdb12a907a5c9e531dd4c14b55f760647f6cff9c6e2bb4d7e409b4db6b7a54954fe17f1e0
- SSDEEP 6144:GFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:hfBQGH6SfeoAX+U4
- TLSH T1EB74F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX49E4.tmp
- Size 284KB
- SHA256 7286b4239d03644b6b01a6f509a1b353a1a3b864efaef8d18c4c4eb83bad397d
- MD5 e5e800cc8f751a0886042a1eeaa856fc
- SHA1 246e827c450b6d16cab53d765d9849293351bca1
- SHA512 c68f00a7567561a4d30ceb7abffa08c72228723d7129140888d3077652811902712b370c5783c95d9893a259dd3e1eff78ac97a2610331a610e4398edbb09860
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:FfBQGH6SfdoAX+U4
- TLSH T19354F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX4B36.tmp
- Size 284KB
- SHA256 f0aa848d97627d90c545447ad8f4e8f73a048e6ff0e80bcc04dd704d71b96fe4
- MD5 4c976060f0d61b2e54a7a8ff4298c34e
- SHA1 fbc9f06962085a1abd445ef5c44835bbc465f21a
- SHA512 e3da65d6524b678c13093834fcf3c36c6beef33a7550aedd04f998a8f3d7b7e0425a85d2a65760f56c57a7e1223f3f898bd9d7614eac21be998284ddc8e30ebe
- SSDEEP 6144:GFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:hfBQGH6SfwoAX+U4
- TLSH T1C85402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH