Analysis

  • max time kernel
    110s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 16:10

General

  • Target
    2026-08-10_aef913568cc6139cba53ce53f178708d_amadey_coinminer_elex_glassworm_smoke-loader.exe
  • Size 8.9MB
  • Sample260810-tms3psseqh
  • SHA256 b05d1598318ce48fa1f010e80e33c14b0b74bb11791d5cda4e65f1078eeb406d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: NominatusCrypto,NominatusStorm

    NominatusCrypto aka NominatusStorm is a ransomware written in C#.

  • Detects NominatusCrypto C# variant 1 IoCs
  • Detects NominatusCrypto DOS executable variant 2 IoCs
  • Detects command variations typically used by ransomware 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-10_aef913568cc6139cba53ce53f178708d_amadey_coinminer_elex_glassworm_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_aef913568cc6139cba53ce53f178708d_amadey_coinminer_elex_glassworm_smoke-loader.exe"
    1⤵
    • Checks computer location settings
    • Creates a file in the Startup directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
      2⤵
      • Drops autorun.inf file
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
      2⤵
      • Drops autorun.inf file
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
      2⤵
      • Drops autorun.inf file
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VSTOInstaller.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe
        • Size 8.9MB
        • SHA256 b05d1598318ce48fa1f010e80e33c14b0b74bb11791d5cda4e65f1078eeb406d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        autorun.inf

        • Path C:\Users\Admin\AppData\Local\Temp\autorun.inf
        • Size 12B
        • SHA256 50c692a2d0e822df720c66654c601a49d1d23bbe0c329624c02a97564a738a27
        • MD5 SHA1 SHA512

        autorun.inf

        • Path C:\Users\Admin\AppData\Local\Temp\autorun.inf
        • Size 65B
        • SHA256 3861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1
        • MD5 SHA1 SHA512 TLSH

        memory/1400-0-0x0000000000CE0000-0x0000000000CE8000-memory.dmp

        memory/1400-1-0x0000000005C90000-0x0000000006234000-memory.dmp

        memory/1400-2-0x00000000056E0000-0x0000000005772000-memory.dmp

        memory/1400-3-0x0000000005930000-0x0000000005940000-memory.dmp

        memory/1400-4-0x00000000058C0000-0x00000000058CA000-memory.dmp

        memory/1400-1275-0x0000000005930000-0x0000000005940000-memory.dmp