Overview

overview

7

Static

static

3

OperaGXSetup.exe

windows10-2004-x64

7

OperaGXSetup.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/08/2026, 12:20

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General

  • Target
    OperaGXSetup.exe
  • Size 3.9MB
  • Sample260821-php32aek9y
  • SHA256 9350399273cb2f3f4afcb7177f18a613f29168aadb0644bc8c3b1034447a4a04
  • 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:1748
    • C:\Users\Admin\AppData\Local\Temp\7zS4D6D2278\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS4D6D2278\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:780
      • C:\Users\Admin\AppData\Local\Temp\7zS4D6D2278\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zS4D6D2278\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=134.0.5954.67 --initial-client-data=0x274,0x278,0x27c,0x248,0x280,0x7ff7c499bd88,0x7ff7c499bd94,0x7ff7c499bda0
        3⤵
        • Executes dropped EXE
        PID:2012
      • C:\Users\Admin\AppData\Local\Temp\.opera\a7f580dc-98e9-4fa1-80d1-b4a9cce7a951 Opera GX Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\a7f580dc-98e9-4fa1-80d1-b4a9cce7a951 Opera GX Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:2636

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        installer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zS4D6D2278\installer.exe
        • Size 9.1MB
        • SHA256 826193106c8e26c8e0daf7c250cf6a5049fa45e7c4b57fd26ad111e0e794fc94
        • MD5 SHA1 SHA512 SSDEEP TLSH
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