Analysis

  • user interaction
    yes
  • max time kernel
    898s
  • max time network
    479s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 00:56

General

  • Target
    OperaGXSetup (1).exe
  • Size 3.9MB
  • Sample260809-bard8s1xbw
  • SHA256 f109d1215fb41207d12df691513f3feacc724b830d86468611d079281c73d84c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • 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\OperaGXSetup (1).exe
    "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5544
    • C:\Users\Admin\AppData\Local\Temp\7zS8A535BA8\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS8A535BA8\installer.exe --server-tracking-blob=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
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • Enumerates connected drives
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Users\Admin\AppData\Local\Temp\7zS8A535BA8\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zS8A535BA8\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktopGX --annotation=ver=134.0.5954.44 --initial-client-data=0x2a8,0x2ac,0x2b0,0x290,0x2b4,0x7ff6f932bd88,0x7ff6f932bd94,0x7ff6f932bda0
        3⤵
        • Executes dropped EXE
        PID:3432
      • C:\Users\Admin\AppData\Local\Temp\.opera\ef8ef006-2acd-4f3c-8f9d-4594a1e5a9dd Opera GX Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\ef8ef006-2acd-4f3c-8f9d-4594a1e5a9dd Opera GX Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:5496
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4864
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3108

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            installer.exe

            • Path C:\Users\Admin\AppData\Local\Temp\7zS8A535BA8\installer.exe
            • Size 9.1MB
            • SHA256 b7c6b1b417864b64d5395c287a819398038b27290db3f85bf89c770a81a4cc5a
            • MD5 SHA1 SHA512 SSDEEP TLSH