Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/10/2026, 07:09
Behavioral task
behavioral1
Sample
2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample261026-hy7vfsvxhs
- SHA256 a9bcfa90ff7c55a802f8b3444a45f73747fbfbe033ae5af9d08fde9e2ce526f4
- MD5 eec693bb6439af198b1e11106137fa53
- SHA1 937e23b868ffd2985c8627ec0820d75ea9f124f0
- SHA512 a76689fca78ac93cbdbceb59914dda8de7f624063291adab117657a2be41afa12e356346cd129e2927b4631b68f62bfb14945fad09f58a0f9cc2067f2ff48975
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqT8oAXjiU4bzN:MfBQGH6SfYoAX+U49
- TLSH T1995401917DA2D8B3C0419A3148A6CFA197376D139A65D203FBAD1F4B2F713D49B7A302
- 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/0x000e00000001c4e8-3.dat family_cosmu behavioral2/files/0x000400000001bb27-86.dat family_cosmu behavioral2/files/0x000300000001bb29-184.dat family_cosmu behavioral2/files/0x001100000001c4f2-188.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: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX5A12.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX5720.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX5788.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX58A4.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5847.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX586D.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX5A23.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX586B.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX591B.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX59DD.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_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_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX5909.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX596D.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX571F.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX592C.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX59F0.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX58E6.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX5743.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_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_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX597E.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX5A35.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX57B9.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX5882.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX58D4.tmp 2026-10-25_eec693bb6439af198b1e11106137fa53_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_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_eec693bb6439af198b1e11106137fa53_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 334KB
- SHA256 c92e82b6b8665ecd8f313c94c9f4ed5ee355018cc1d47ed183e5e6d364dd72d5
- MD5 623f1bd31d0fece07c13cda06b6fdd5e
- SHA1 7b4c8010dd97817febdc67ad6a925d627a89eb07
- SHA512 2de1489fa63ce4b0f29185115416929d4453cb128ff920968885bf0b4e5dcb3a0fcce607c26a95908c5493c88638bdb8c8bf7629b5a14a4ed203912dbf4bbad2
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:pfBQGH6SfboAX+U4
- TLSH T1177401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX592B.tmp
- Size 288KB
- SHA256 5cd981832fb9dfaf67e6868ce566bf63417941400ede211f25ff60547a09e2eb
- MD5 13f7901c3f01e675c76852c05874dc4a
- SHA1 626d7ac4d029e562e13e3c5e0e73a401c6d4fe8e
- SHA512 3024e3a42c35caa1b48020157f9e6e19b1c22cdb4d33e7775c2e19eab61d902ab4dc167da532eca34e94c6fa7b7038b20dbd93a57544619353d38315f8e7dbc6
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:BfBQGH6Sf3oAX+U4
- TLSH T1DF5401817DA2D8B3C4414A3288A78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX592C.tmp
- Size 288KB
- SHA256 e2a4d79767f335695df735bb62350a6c15f5cd5068394a13bbd354d567fc8bd8
- MD5 f080d291a09b554589c61deb711ba298
- SHA1 23fef5da719c14616f4956ba7432b961974bd23f
- SHA512 409ce14d9ed91a985d26324d63b62f244b244b652cda0868954d8937462c612a18049bb114687225698eda4c76ce1f83928c5dacea480277032b3e9f5b463d71
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:xfBQGH6Sf+oAX+U4
- TLSH T1E85401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX585A.tmp
- Size 288KB
- SHA256 0b000017885aaf123a19c2e0b6208796ff93a0dd7aec61f538b64199d3a33a4e
- MD5 a3cdda1d0f7d15fefc20963b20e3bff5
- SHA1 eec573ebb8eba40d1f61d30dcad4bce0e44fad17
- SHA512 8ea5df353e0f47796995c0216ec72e752d960739f39d2b64bed262f0703758ae43cafda38f6c0e9e01a82cc651cc2352af0f4c4f1d033019e98cbce5a22d754c
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:lfBQGH6Sf8oAX+U4
- TLSH T15F5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH