Overview

overview

7

Static

static

3

OperaGXSetup4.exe

windows10-2004-x64

7

OperaGXSetup4.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/06/2026, 15:24

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General

  • Target
    OperaGXSetup4.exe
  • Size 3.9MB
  • Sample260619-stfwaahs2k
  • SHA256 1bf28ac1db4da3326104d1ad911790caccb63c97872d308c88d5ef9278f97c44
  • 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\OperaGXSetup4.exe
    "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Users\Admin\AppData\Local\Temp\7zS88F5AEE8\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS88F5AEE8\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:1704
      • C:\Users\Admin\AppData\Local\Temp\7zS88F5AEE8\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zS88F5AEE8\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=132.0.5905.82 --initial-client-data=0x2a0,0x2a4,0x2a8,0x27c,0x2ac,0x7ff6d79c7e08,0x7ff6d79c7e14,0x7ff6d79c7e20
        3⤵
        • Executes dropped EXE
        PID:2364
      • C:\Users\Admin\AppData\Local\Temp\.opera\b9ab05cf-5e3d-4c08-a1aa-07ad782749e7 Opera GX Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\b9ab05cf-5e3d-4c08-a1aa-07ad782749e7 Opera GX Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:684

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        installer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zS88F5AEE8\installer.exe
        • Size 9.1MB
        • SHA256 33566d50268068e1fab01b06431773c863627abcfa5e0614ecae1443ebfefa61
        • MD5 SHA1 SHA512 SSDEEP TLSH
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