Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 05:59
Behavioral task
behavioral1
Sample
2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe
- Size 948KB
- Sample260805-gpwkdszckd
- SHA256 52dde0d1f7c405477c6bcd620066ec6aedd588de0678c93895790db8e1e6b995
- MD5 66cd606a48a56757196fe263ddc0e6f9
- SHA1 21b287377928504c83a7d7c974d428e37a29be7b
- SHA512 421465080146a7e2949c8966aa8b6bc3e8901c737df5871d710f87540ec670c7660bc480737736dac4ff2aa5122dd53ce43122557b6d3a58e930cc1ab4cabe49
- SSDEEP 6144:rFlKgzelZNQSBQGH/CSpWqTEFPPoAXjiU4bz:UfBQGH6SfiPoAX+U4
- TLSH T1CB25C02162E9CFE1C09F2475DC96B1F40627EE11DD109FDB7E88BE0A39B12A5A93114F
- 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/0x001200000001c3e1-6.dat family_cosmu behavioral2/files/0x000d00000001c506-81.dat family_cosmu behavioral2/files/0x0007000000018957-192.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) \??\G: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4380.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4261.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX40E5.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4194.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX41B8.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4090.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX432A.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4390.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4293.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX433B.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX436E.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX40C2.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX40C4.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4193.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX41CA.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX42B4.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX41BA.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4294.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX433A.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4391.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX41CC.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX404D.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX4091.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX42E6.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX42F8.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX40A2.tmp 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_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 2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_66cd606a48a56757196fe263ddc0e6f9_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4432
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 337KB
- SHA256 0950464b7f3b251bea3cfe0d7e20aeb1d0e927545f58873ee8e042b81eca2c22
- MD5 3118d6f5a9fd53f4277325d984cfa423
- SHA1 280a4ff45c5c14f2b89d77580cb2a53bbc01cf08
- SHA512 0542607d59bf800642d004eba0b89b27cae884a9c843377153ce7589f0218d226e582eba51cef5c95f58d2752d6b484a90347b98a7fc65591bb53efbd28b6f8a
- SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:XfBQGH6SfboAX+U4
- TLSH T15A7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX41A6.tmp
- Size 288KB
- SHA256 063776627cde9c565a0b4d12cba11be7d7310ac70d230dca8e32be17f5fc6154
- MD5 b8c48f256eaf574b44d1d295a462b62b
- SHA1 58a8edafd96f4b5da511619fb9392bbf50884904
- SHA512 d26abf71529ad532aa141d7043ab1922e342802aac1cd0f590e5ff7815d1ce0630689ee6f171b5d281084e7b388e288eda7f33a89bfb08d2020496b5c5a59e44
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:rfBQGH6SfRoAX+U4
- TLSH T1385401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX42F9.tmp
- Size 288KB
- SHA256 8baa2b8b41fdbdbecc773d109723f65b21613102ed5853fd02897b3ef9547693
- MD5 04892ab4f79d036e1cc352874d918b62
- SHA1 9eee2758ec71b96e6f2eba73a4a837a23cdc225d
- SHA512 3bd5550989f84eca0f8481bc69f22ce5d4537044d888ef602f2d070582d1a4fd8c43f055aa48c61f4bb4d70088d211494b99476222bad29023e556ebd015066b
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:PfBQGH6SfooAX+U4
- TLSH T14C5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH