Analysis

  • max time kernel
    149s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 00:14

General

  • Target
    OperaSetup.exe
  • Size 3.1MB
  • Sample260801-ajksdatwat
  • SHA256 6fc3ec4e0c4a4ca05ca2de68145c015b14081973930f846da04b69861c410d09
  • 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:5052
    • C:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zSCB394219\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:1304
      • C:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zSCB394219\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=134.0.5954.26 --initial-client-data=0x2a4,0x2a8,0x2ac,0x280,0x2b0,0x7ff62ece9d88,0x7ff62ece9d94,0x7ff62ece9da0
        3⤵
        • Executes dropped EXE
        PID:2132
      • C:\Users\Admin\AppData\Local\Temp\.opera\927e1fc0-f432-4e3e-807a-cdbb24deb4f1 Opera Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\927e1fc0-f432-4e3e-807a-cdbb24deb4f1 Opera Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:5304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exe
        • Size 8.3MB
        • SHA256 49d33a257c47d2e32cbb967ef1c088c0ff5d71ced60950d902c9aa82311e306c
        • MD5 SHA1 SHA512 SSDEEP TLSH