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Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2025, 18:44

General

  • Target

    EaseUSDataRecoveryWizardActivator.exe

  • Size

    2.4MB

  • MD5

    5b6a5176c441f4241780d4d3dede7b65

  • SHA1

    02c1d8cc96e2898510737e48f573214355d96c7e

  • SHA256

    9d385acb88418f0b5e28ac0ff023700355d29841efb02e67c47ce96882a87f11

  • SHA512

    2a91d5a83011a739853d6617b50a2354945ea0d59f7679feee088fd6e007448bb423266cedb51efb92203bc39203cb8091d33d95b03fcaf42dc571e9cdb53a00

  • SSDEEP

    49152:MDkUrkydBe7+nHcKlc2mZb5hOQYzpsc9FAXiBlYQQCXizyjW9NUKW+SGf5s8ZPn:M4UF8KlJm15h+lz9qmlY0iuy/7WlGfWO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://212.118.37.224

Attributes
  • url_path

    /bad9416e2db99d17.php

rc4.plain

Signatures

  • Detects Stealc stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EaseUSDataRecoveryWizardActivator.exe
    "C:\Users\Admin\AppData\Local\Temp\EaseUSDataRecoveryWizardActivator.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\RUN.bat" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\default.exe
        default.exe
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1920
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:2632
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:2580
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:2588

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\RUN.bat

        Filesize

        28B

        MD5

        2564013ea57c20132134007ac8a37dbd

        SHA1

        5ec26c96779acc98efd4e7797772a86ddde225cb

        SHA256

        2e3c51c2d2a73917d48a93a5dec7b42535d78f0296ddfe851f2168aa8c757276

        SHA512

        96b76225b353f812acc3ea8f105b0db07bb9e3bae599781d9fbe8de3c9006beeba9384de365ddaae9189f7f2f3e3aadb99e8cfef56e4c5f8147ed583b5207664

      • \Users\Admin\AppData\Local\Temp\RarSFX0\default.exe

        Filesize

        3.4MB

        MD5

        0fbf7dcfc8f410deb6e8e68d94728da8

        SHA1

        41d243721b25fdb38704f9340cc232d7c8d62e19

        SHA256

        b2f78744469379909a0c81f0ecd4a25bd8fc01fd336b7e9d40d3472db6cca2fd

        SHA512

        67ebd9c6096d305fc4f9e36bb1a1836ea95fbb732bb5449e195f77f71ec41433233203cd07540ff6913822cc69d8f3449234c1fd69337c1a817b628d1374f82c

      • memory/1920-23-0x00000000754B4000-0x00000000754B5000-memory.dmp

        Filesize

        4KB

      • memory/1920-22-0x0000000000CC0000-0x0000000001362000-memory.dmp

        Filesize

        6.6MB

      • memory/1920-24-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-29-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-30-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-28-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-27-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-26-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-25-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-46-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-45-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-44-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-43-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-42-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-41-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-40-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-39-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-38-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-37-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-36-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-35-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-34-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-33-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-32-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-31-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-50-0x0000000000CC0000-0x0000000001362000-memory.dmp

        Filesize

        6.6MB

      • memory/1920-51-0x0000000000CC0000-0x0000000001362000-memory.dmp

        Filesize

        6.6MB

      • memory/1920-52-0x00000000754B4000-0x00000000754B5000-memory.dmp

        Filesize

        4KB

      • memory/1920-54-0x0000000000C80000-0x0000000000C9C000-memory.dmp

        Filesize

        112KB

      • memory/1920-62-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-55-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-67-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-76-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-75-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-72-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-70-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-68-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-64-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-60-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-58-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-56-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-78-0x0000000000C80000-0x0000000000C95000-memory.dmp

        Filesize

        84KB

      • memory/1920-92-0x0000000000CC0000-0x0000000001362000-memory.dmp

        Filesize

        6.6MB

      • memory/1920-91-0x00000000754A0000-0x00000000755B0000-memory.dmp

        Filesize

        1.1MB

      • memory/2064-20-0x0000000002100000-0x00000000027A2000-memory.dmp

        Filesize

        6.6MB

      • memory/2588-88-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2588-87-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

      • memory/2588-85-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2588-79-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2588-81-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2588-83-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2588-89-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB