Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251223-en
  • resource tags

    arch:x64arch:x86image:win11-20251223-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/12/2025, 00:24

General

  • Target
    Set-Up.exe
  • Size 8.7MB
  • Sample251227-aqbs2strbl
  • SHA256 453f7473ce01178030c3cd5a9a9c077c698ba520d95fb04d01d2f695222ec23a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • deurow

C2
  • http://178.236.252.42

Attributes
  • url_path

    /af47690db6b14456.php

rc4.plain
rc4.plain

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-Up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-Up.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
        PID:996
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3308
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          2⤵
            PID:3304
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            2⤵
              PID:3032
          • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
            "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
            1⤵
              PID:4408
            • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
              1⤵
                PID:3276
              • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                1⤵
                  PID:3932
                • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                  1⤵
                    PID:1092

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        8C1325C5-9926-5151-2A7D-0E49D2B576C1.txt

                        • Path C:\ProgramData\8C1325C5-9926-5151-2A7D-0E49D2B576C1.txt
                        • Size 64B
                        • SHA256 68a9df34dc6612631dce953c18304e740245b6fafe11f573d897de4813f22615
                        • MD5 SHA1 SHA512

                        memory/3300-6-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-2-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-11-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-9-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-13-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-8-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-7-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-0-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-4-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-5-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-3-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-1-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-10-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-12-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-16-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-23-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-32-0x0000000140000000-0x00000001400CC000-memory.dmp

                        memory/3300-33-0x0000000140000000-0x00000001400CC000-memory.dmp