Overview

overview

7

Static

static

3

OperaGXSetup.exe

windows11-21h2-x64

7

Resubmissions

22/05/2026, 11:15

260522-ncyybab13w8

22/05/2026, 11:14

260522-nb5z8shv2k7

Analysis

  • max time kernel
    34s
  • max time network
    26s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 11:14

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General

  • Target
    OperaGXSetup.exe
  • Size 3.9MB
  • Sample260522-nb5z8shv2k
  • SHA256 ee68d650235910f3ebc70973327461b9202d7b3c399e784c3780f7c3935a5b98
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryspywarestealer

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 4 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.

    discovery
  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Temp\7zS433402B8\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS433402B8\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:4816
      • C:\Users\Admin\AppData\Local\Temp\7zS433402B8\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zS433402B8\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=131.0.5877.84 --initial-client-data=0x288,0x28c,0x290,0x264,0x294,0x7ff6bda39e98,0x7ff6bda39ea4,0x7ff6bda39eb0
        3⤵
        • Executes dropped EXE
        PID:1084
      • C:\Users\Admin\AppData\Local\Temp\.opera\6f5344a7-84f5-4d45-806c-5748c6375883 Opera GX Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\6f5344a7-84f5-4d45-806c-5748c6375883 Opera GX Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:4996
      • C:\Users\Admin\AppData\Local\Temp\7zS433402B8\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS433402B8\installer.exe" --backend --install --import-browser-data=0 --enable-crash-reporting=1 --enable-stats=1 --enable-installer-stats=1 --consent-given=1 --general-interests=1 --general-location=1 --personalized-content=1 --personalized-ads=1 --launchopera=1 --showunbox=0 --installfolder="C:\Users\Admin\AppData\Local\Programs\Opera GX" --profile-folder --language=en --singleprofile=0 --copyonly=0 --allusers=0 --setdefaultbrowser=0 --pintotaskbar=1 --pintostartmenu=0 --run-at-startup=1 --server-tracking-data=server_tracking_data --initial-pid=4816 --package-dir-prefix="C:\Users\Admin\AppData\Local\Temp\.opera\6f5344a7-84f5-4d45-806c-5748c6375883 Opera GX Installer Temp\opera_package_20260522121459" --session-guid=e2a52120-f93a-4655-9a76-87bf49009f79 --server-tracking-blob=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 --desktopshortcut=1 --wait-for-package --initial-proc-handle=F807000000000000
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:5352
        • C:\Users\Admin\AppData\Local\Temp\7zS433402B8\installer.exe
          C:\Users\Admin\AppData\Local\Temp\7zS433402B8\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=131.0.5877.84 --initial-client-data=0x280,0x284,0x294,0x25c,0x298,0x7ff6bda39e98,0x7ff6bda39ea4,0x7ff6bda39eb0
          4⤵
          • Executes dropped EXE
          PID:5324

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        installer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zS433402B8\installer.exe
        • Size 9.1MB
        • SHA256 69bdbb8a932cde8ec4c47501dad116e0b01870f512685acda4a19c758ff29750
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        settings.dat
        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat
        • Size 40B
        • SHA256 91e69d357724bc77379bc5198bc13dcdd930ec618df39a44b1877531758c0dc8
        • MD5 SHA1 SHA512
        Submit Download