Overview

overview

7

Static

static

3

OperaSetup.exe

windows10-2004-x64

7

OperaSetup.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/07/2026, 00:20

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General

  • Target
    OperaSetup.exe
  • Size 3.1MB
  • Sample260719-amsmdsf14r
  • SHA256 5881269e65d2047768b343657f7b84be0c0dcface2984e60bf6b740e7b82e9c9
  • 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\OperaSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\7zSCB1DD528\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zSCB1DD528\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:5036
      • C:\Users\Admin\AppData\Local\Temp\7zSCB1DD528\installer.exe
        C:\Users\Admin\AppData\Local\Temp\7zSCB1DD528\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=133.0.5932.60 --initial-client-data=0x274,0x278,0x27c,0x248,0x280,0x7ff7db58ad88,0x7ff7db58ad94,0x7ff7db58ada0
        3⤵
        • Executes dropped EXE
        PID:2872
      • C:\Users\Admin\AppData\Local\Temp\.opera\8126f286-5384-4083-9e78-54f7df67bcf2 Opera Installer Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\8126f286-5384-4083-9e78-54f7df67bcf2 Opera Installer Temp\installer.exe" --version
        3⤵
        • Executes dropped EXE
        PID:5500

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        installer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zSCB1DD528\installer.exe
        • Size 8.3MB
        • SHA256 fe71363fe15584aff60b1ede75fa9295337f65229e4f32505c601f3fd0e9d2b5
        • MD5 SHA1 SHA512 SSDEEP TLSH
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