Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/03/2026, 23:38

General

  • Target
    SecuriteInfo.com.Win64.Evo-gen.42732565.exe
  • Size 2.4MB
  • Sample260320-3msxdafs3j
  • SHA256 764adefbf141f0d492793bc9eb509864fffce59611f20592d905e554ed67ee74
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • stealc

Botnet
  • New

C2
  • http://138.124.88.111

Attributes
  • url_path

    /e73ec3d3cca2490cb90e.php

rc4.traffic_key
rc4.C2

Signatures

  • Detects Stealc stealer Version 2 17 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.Evo-gen.42732565.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.Evo-gen.42732565.exe"
    1⤵
    • Modifies trusted root certificate store through registry
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
        PID:1688
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:4544
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          2⤵
            PID:1200
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            2⤵
              PID:2932
            • C:\Users\Admin\AppData\Local\hJ8SI8ZAeqpr.exe
              "C:\Users\Admin\AppData\Local\hJ8SI8ZAeqpr.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:224
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:992
          • 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:4980
            • 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:800
              • 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:1740
                • 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:3792
                  • 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:4784
                    • 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:1352
                      • 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:3136
                        • 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:2976

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                42B75159-B482-1245-A6D1-AAFD8EC95235.txt

                                • Path C:\ProgramData\42B75159-B482-1245-A6D1-AAFD8EC95235.txt
                                • Size 64B
                                • SHA256 ef89aaf7ccb8d4947463205b390b6cf8414993fca96e50c704e05f8cd06cda4b
                                • MD5 SHA1 SHA512 TLSH

                                hJ8SI8ZAeqpr.exe

                                • Path C:\Users\Admin\AppData\Local\hJ8SI8ZAeqpr.exe
                                • Size 1.5MB
                                • SHA256 04a40d87d287ccd0cc5de7776d6651fbd312c221835403efc58286eca3691b96
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/992-60-0x0000000004E20000-0x0000000004E38000-memory.dmp

                                memory/992-59-0x0000000000930000-0x0000000000944000-memory.dmp

                                memory/992-58-0x0000000005610000-0x0000000005676000-memory.dmp

                                memory/992-51-0x0000000000B00000-0x0000000000B30000-memory.dmp

                                memory/3704-1-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-23-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-6-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-5-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-3-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-2-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-0-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-7-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-16-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-4-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-11-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-13-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-55-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-56-0x00000165628D0000-0x00000165629EE000-memory.dmp

                                memory/3704-57-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-12-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-8-0x0000000140000000-0x00000001400D3000-memory.dmp

                                memory/3704-10-0x0000000140000000-0x00000001400D3000-memory.dmp