Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/09/2026, 12:34

General

  • Target
    OperaSetup.exe
  • Size 3.1MB
  • Sample260907-prq2pavves
  • SHA256 daa5bb9a68e510694897ff21a5e374aa49386ba25ed8ed3a51593f09bc7537ab
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Local\Temp\7zS0841D289\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS0841D289\installer.exe --server-tracking-blob=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
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4200
      • C:\Users\Admin\AppData\Local\Temp\7zS0841D289\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zS0841D289\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=135.0.5973.92 --initial-client-data=0x2b4,0x2b8,0x2bc,0x290,0x2c0,0x7ff6d68c2608,0x7ff6d68c2618,0x7ff6d68c2628
        3⤵
        • Executes dropped EXE
        PID:940
      • C:\Users\Admin\AppData\Local\Temp\.opera\fc2d9e29-0298-4ba0-83e9-6882c3252f44 Opera Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\fc2d9e29-0298-4ba0-83e9-6882c3252f44 Opera Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:4672

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS0841D289\installer.exe
        • Size 8.3MB
        • SHA256 62b5c5cfda3377ef4f252b3262c8c4b72b66cc44aeb1f106ab7d56d3a89921e1
        • MD5 SHA1 SHA512 SSDEEP TLSH