Overview

overview

7

Static

static

3

OperaGXSetup.exe

windows10-2004-x64

7

OperaGXSetup.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    19s
  • max time network
    21s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 07:59

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General

  • Target
    OperaGXSetup.exe
  • Size 3.9MB
  • Sample260808-jvfr8ssgnc
  • SHA256 d8ad08e9044c0403ae80beba64824b2e57683d18e8a4e1242f5827e6793266f7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryspywarestealer

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.

    spywarestealer
  • 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.

    discovery
  • 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.exe
    "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\7zS82364588\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS82364588\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:5096
      • C:\Users\Admin\AppData\Local\Temp\7zS82364588\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zS82364588\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,0x2b0,0x284,0x2b4,0x7ff67bb4bd88,0x7ff67bb4bd94,0x7ff67bb4bda0
        3⤵
        • Executes dropped EXE
        PID:1612
      • C:\Users\Admin\AppData\Local\Temp\.opera\3205a94c-ca5b-4470-ab16-aa081137985d Opera GX Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\3205a94c-ca5b-4470-ab16-aa081137985d Opera GX Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:5676

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        installer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zS82364588\installer.exe
        • Size 9.1MB
        • SHA256 b7c6b1b417864b64d5395c287a819398038b27290db3f85bf89c770a81a4cc5a
        • MD5 SHA1 SHA512 SSDEEP TLSH
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