Overview

overview

7

Static

static

3

simplewall...up.exe

windows11-21h2-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    898s
  • max time network
    399s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    13/08/2026, 07:15

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General

  • Target
    simplewall-3.8.7-setup.exe
  • Size 1.1MB
  • Sample260813-h28adsthpg
  • SHA256 1864b3e2830c5ffadefb01a25d0aedba36a9acbdb8f257a722718b0b1d1aa144
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 10 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\simplewall-3.8.7-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\simplewall-3.8.7-setup.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Program Files\simplewall\simplewall.exe
      "C:\Program Files\simplewall\simplewall.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1844

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        simplewall.exe
        • Path C:\Program Files\simplewall\simplewall.exe
        • Size 960KB
        • SHA256 771ddeb26f40e9a77f07de02cca06e1c160254609b6e0e714654fb7da009eac3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        simplewall.lng
        • Path C:\Program Files\simplewall\simplewall.lng
        • Size 292KB
        • SHA256 77267c73b4e32754d860ae6fe9c66c577eb8762881bcc4ef5bb035725f1d7d7f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        LangDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsl53AB.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 06ae451307548775dd5c5eb5de5a8b7a89c0030d51800e7d9d870f8f2e7c9d7d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsl53AB.tmp\System.dll
        • Size 12KB
        • SHA256 1be52c4b0f82a9e50db06ccf9a4df2e59baf7448bad4372a10a435b60c7ea1db
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        modern-wizard.bmp
        • Path C:\Users\Admin\AppData\Local\Temp\nsl53AB.tmp\modern-wizard.bmp
        • Size 150KB
        • SHA256 411961864a8edb7cc2ba384e702bbb787040ea47488d2cefc2ef2c6f0a55a832
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nsDialogs.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsl53AB.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 357e519087cfc27a16a2c083389225d21af48cae138c9b0448c5d87175a3a13e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download