Resubmissions

17/10/2026, 20:34

261017-zcltjagg8310

17/10/2026, 19:48

261017-yjb28sby5k7

17/10/2026, 18:45

261017-xed6csbs7q10

17/10/2026, 17:21

261017-vw5crsaz3x10

17/10/2026, 16:11

261017-tm6nsshx5l10

31/07/2025, 15:27

250731-sv8mpawthx10

Analysis

  • max time kernel
    66s
  • max time network
    66s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/10/2026, 16:11

General

  • Target
    NitroRansomware.exe
  • Size 243KB
  • Sample261017-tm6nsshx5l
  • SHA256 3b35d3ff4960720eaf6af9cd674c776e9ef442b3bb448fd6c880837d8f987e86
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Queries system WMI classes for hardware identifiers 2 TTPs 1 IoCs

    Uses WMI to read hardware serial numbers or the system UUID, commonly used to fingerprint the victim machine.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe
    "C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Queries system WMI classes for hardware identifiers
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2560
  • C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe
    "C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4420

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3404-0-0x0000000075052000-0x0000000075053000-memory.dmp

        memory/3404-1-0x0000000000010000-0x0000000000054000-memory.dmp

        memory/3404-2-0x0000000004F10000-0x00000000054CA000-memory.dmp

        memory/3404-3-0x0000000004A30000-0x0000000004AC2000-memory.dmp

        memory/3404-4-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/3404-14-0x0000000075052000-0x0000000075053000-memory.dmp

        memory/3404-15-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/4420-5-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/4420-6-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/4420-7-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

        memory/4420-19-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/4420-20-0x0000000075040000-0x00000000757FC000-memory.dmp